Toshiba Network Card M 2001 Series User Manual

Application Guide  
M-2299 Adapter Panel  
 
The M-2299 is an adapter panel which, when combined with the M-2001 Series Digital Tapchanger  
Control, provides convenient direct replacement of Toshiba TB-R800 regulators. The M-2299 mounts into  
the control cabinet using the same two hinge pins which must be saved from the original regulator.  
Interface  
External connections are made via a wiring harness that connects from a fifteen-position terminal block to  
the ”BT” terminal block on the existing control cabinet. An additional terminal block provides access to  
auxiliary functions, including self-test alarm, user-programmable alarm, auto disable and manual raise/  
lower.  
Features  
Separate fuses for test terminal, voltage sensing and motor power are on the front panel. Spare fuses for  
each are in the fuse holder.  
Binding posts on the front panel allow easy connections for test procedures.  
RAISE/OFF/LOWER, AUTO/OFF/MANUAL, and VOLTAGE SOURCE switches and NEUTRAL LIGHT  
are standard.  
NEUTRAL LIGHT will light to indicate that the regulator is in the neutral position, for those regulators  
equipped with a circuit for this purpose.  
Testing Specifications  
High Voltage: All input and output terminals will withstand 1500 V ac rms to chassis or instrument ground  
for one minute with a leakage current not to exceed 25 mA, for all terminals to ground. Input and output  
circuits are electrically isolated from each other, from other circuits and from ground.  
Surge Withstand Capability: All input and output circuits are protected against system transients. Units  
pass all requirements of ANSI/IEEE C.37.90.1-1989 defining surge withstand capability.  
Radiated Electromagnetic Withstand Capability: All units are protected against electromagnetic radi-  
ated interference from portable communications transceivers.  
Environmental  
Temperature Range: Functionality is maintained from –40° to +85° C.  
Humidity: Functionality is maintained under 95% relative humidity (non-condensing).  
Fungus Resistance: A conformal printed circuit board coating inhibits fungus growth.  
Physical  
Size with M-2001 Series Digital Tapchanger Control: 12" high x 9-1/4" wide x 4-1/8" deep  
(30.48 cm x 23.5 cm x 10.48 cm)  
Approximate Weight: 2 lbs (0.9 kg)  
Approximate Shipping Weight: 5 lbs, 7 oz (2.47 kg)  
Approximate Weight with M-2001 Series Digital Tapchanger Control: 6 lbs, 2 oz (3.23 kg)  
Approximate Shipping Weight with M-2001 Series Digital Tapchanger Control: 11 lbs, 2 oz (5.1 kg)  
Warranty  
The M-2299 Adapter Panel is covered by a five year warranty from date of shipment.  
Specification subject to change without notice.  
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BECKWITH ELECTRIC CO., INC.  
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6190 - 118th Avenue North • Largo, Florida 33773-3724 U.S.A.  
PHONE (727) 544-2326 • FAX (727) 546-0121  
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© 2000 Beckwith Electric  
Printed in U.S.A. (10.24.02)  
800-2299-SP-00MC4 01/07  
 
WARNING  
DANGEROUS VOLTAGES, capable of causing death or serious  
injury, are present on the external terminals and inside the equip-  
ment. Use extreme caution and follow all safety rules when han-  
dling, testing or adjusting the equipment. However, these internal  
voltage levels are no greater than the voltages applied to the exter-  
nal terminals.  
DANGER!HIGHVOLTAGE  
This sign warns that the area is connected to a dangerous high voltage, and you  
must never touch it.  
PERSONNELSAFETYPRECAUTIONS  
The following general rules and other specific warnings throughout the manual must be followed during application,  
test or repair of this equipment. Failure to do so will violate standards for safety in the design, manufacture, and intended  
use of the product. Qualified personnel should be the only ones who operate and maintain this equipment. Beckwith  
Electric Co., Inc. assumes no liability for the customers failure to comply with these requirements.  
This sign means that you should refer to the corresponding section of the operation  
manual for important information before proceeding.  
Always Ground the Equipment  
To avoid possible shock hazard, the chassis must be connected to an electrical ground. When servicing  
equipment in a test area, the Protective Earth Terminal must be attached to a separate ground securely  
by use of a tool, since it is not grounded by external connectors.  
Do NOT operate in an explosive environment  
Do not operate this equipment in the presence of flammable or explosive gases or fumes.To do so would  
risk a possible fire or explosion.  
Keep away from live circuits  
Operating personnel must not remove the cover or expose the printed circuit board while power is ap-  
plied. In no case may components be replaced with power applied. In some instances, dangerous volt-  
ages may exist even when power is disconnected.To avoid electrical shock, always disconnect power and  
discharge circuits before working on the unit.  
Exercise care during installation, operation, & maintenance procedures  
The equipment described in this manual contains voltages high enough to cause serious injury or death.  
Only qualified personnel should install, operate, test, and maintain this equipment. Be sure that all per-  
sonnel safety procedures are carefully followed. Exercise due care when operating or servicing alone.  
Do not modify equipment  
Do not perform any unauthorized modifications on this instrument. Return of the unit to a Beckwith  
Electric repair facility is preferred. If authorized modifications are to be attempted, be sure to follow  
replacement procedures carefully to assure that safety features are maintained.  
 
PRODUCT CAUTIONS  
Before attempting any test, calibration, or maintenance procedure, personnel must be completely familiar  
with the particular circuitry of this unit, and have an adequate understanding of field effect devices. If a  
component is found to be defective, always follow replacement procedures carefully to that assure safety  
features are maintained. Always replace components with those of equal or better quality as shown in the  
Parts List of the Instruction Book.  
Avoid static charge  
This unit contains MOS circuitry, which can be damaged by improper test or rework procedures. Care  
should be taken to avoid static charge on work surfaces and service personnel.  
Use caution when measuring resistances  
Any attempt to measure resistances between points on the printed circuit board, unless otherwise noted  
in the Instruction Book, is likely to cause damage to the unit.  
 
TABLE OF CONTENTS  
M-2299 Adapter Panel  
Application Guide  
1.0  
Description ................................................................................................................... 1  
Standard Features ....................................................................................................... 1  
2.0  
2.1  
Installation .................................................................................................................... 2  
Removal of the Toshiba Regulator ............................................................................. 2  
Figure 1 Toshiba Regulator in Cabinet ..................................................................... 2  
2.2  
2.3  
Installation of the M-2001 Series Digital Tapchanger Control ................................... 3  
Installation of the M-2299 ........................................................................................... 3  
Figure 2 M-2299 Adapter Panel and M-2001 Tapchanger Control in Cabinet ........ 3  
Figure 3 Mounting Dimensions ................................................................................. 4  
Figure 4 Wiring Harness and External Connections ................................................ 5  
2.4  
3.0  
3.1  
Lightning Protection ..................................................................................................... 6  
External Connections................................................................................................... 6  
Figure 5 M-2001 and M-2299 Typical Connections ................................................. 7  
Features ....................................................................................................................... 8  
Neutral Light Circuit ..................................................................................................... 8  
Auto Disable Input ....................................................................................................... 8  
Local/Remote Input...................................................................................................... 8  
Multi-Step Voltage Reduction ...................................................................................... 8  
Operations Counter Input ............................................................................................ 8  
Table 1 Multi-step Voltage Reduction External Connections .................................. 8  
3.2  
3.3  
Typical Connections for Toshiba Regulators.............................................................. 9  
Figure 6 Tapchanger Control and LTC Backup Control Interconnections ............... 9  
Use of the M-0329 LTC Backup Control with the Tapchanger Control..................... 9  
4.0  
4.1  
M-2001 Tapchanger Control Software Settings ........................................................ 10  
M-0329 LTC Backup Control Settings ...................................................................... 10  
 
5.0  
5.1  
Test Procedures ........................................................................................................ 10  
Equipment Required .................................................................................................. 10  
Setup Procedure ........................................................................................................ 10  
Table 2 Initial Settings ............................................................................................ 10  
Bench Test................................................................................................................. 11  
Resistance ................................................................................................................. 11  
Voltage Source Switch .............................................................................................. 11  
Counter/Neutral Light/Tap Position ........................................................................... 11  
Block Raise/Block Lower/Dead Band ....................................................................... 11  
Figure 7 M-2299 Test Procedure External Connection.......................................... 12  
5.2  
5.3  
M-2001 Checkout Procedure ..................................................................................... 13  
Basic Operational Test.............................................................................................. 13  
In-Service Test .......................................................................................................... 13  
6.0  
6.1  
Checkout Procedure .................................................................................................. 13  
Power.......................................................................................................................... 13  
Figure 8 Setup for Current Checkout Procedure.................................................... 14  
6.2  
7.0  
Voltage Source Switch .............................................................................................. 15  
Maintenance ............................................................................................................... 15  
© 2000 Beckwith Electric Co.  
800-2299-AG-00MC4 01/07  
Printed in U.S.A. ((#02-88)(12.18.00)  
 
M-2299 Application Guide  
4. Separate motor power, test terminal and  
voltage sensing fuses are easily  
changed from the front panel and spare  
fuses are provided in their respective  
fuseholders.  
The Beckwith Electric M-2299 Adapter Panel, used  
in conjunction with the M-2001 Series Digital  
Tapchanger Control, uses modern electronic digital  
design and digital processing circuitry to achieve  
an overall stability and resolution unattainable with  
electromechanical and analog design tapchanger  
controls. CMOS semiconductors are used throughout  
the design.  
5. Easily tested by use of the following:  
a. VOLTAGE SOURCE switch  
disconnects the voltage transformer  
input and connects the VOLTAGE  
IN binding posts to the voltage input  
and motor circuit.  
NOTE: The hinge pins must be saved from the  
original control. The BT terminal blocks remain in  
the control cabinet.  
b. VOLTAGE IN binding posts on the  
front panel allow application of a  
120 V rms nominal voltage to the  
unit for test procedures.  
1.0  
Description  
Standard Features  
c. METER OUT binding posts on the  
front panel allow reading of the input  
voltage when used in conjunction  
with the BIAS TEST VOLTAGE  
screen of the M-2001 Series Digital  
Tapchanger Control.  
The M-2299 Adapter Panel, with the M-2001 Series  
Digital Tapchanger Control, provides a solid-state  
voltage control relay designed to directly replace  
the Toshiba TB-R800 control. The combination of  
the Tapchanger Control and Adapter Panel includes  
the following features:  
d. RAISE and LOWER band edge LEDs  
on the M-2001 Tapchanger Control  
indicate when the input voltage is  
outside the voltage band.  
1. Voltage waveform sampling and digital  
processing circuitry ensure accurate rms  
voltage sensing in the presence of  
distortion on the input voltage and  
current.  
6. NEUTRAL light illuminates when the  
regulator is in the neutral tap position.  
2.  
Accuracy exceeds the ANSI/IEEE  
C57.15-1986 Class 1 specification over  
the temperature range of –40° C to  
+70° C.  
7. AUTO/OFF/MANUAL switch allows  
manual operation of the control.  
3.  
Input and output circuits are protected  
against system transients. Units pass  
all requirements of ANSI/IEEE C37.90.1-  
1989, which defines surge withstand  
capability. All input and output terminals  
will withstand 1500 V ac rms to chassis  
or instrument ground for one minute with  
a leakage current not to exceed 25 mA,  
from all terminals to ground. Input and  
output circuits are electrically isolated  
from each other, from other circuits and  
from ground.  
–1–  
 
M-2299 Application Guide  
4. Remove and save the two hinge pins  
and lift the Toshiba control panel off of  
the hinges.  
2.0  
Installation  
The M-2299 has hinges on the right side that allow  
easy mounting into the existing Toshiba regulator  
cabinet. Refer to Figure 1, below.  
NOTE: The two hinge pins must be saved from  
the original control.  
5. Remove all control side wiring harness  
connections from the BT1 terminal block.  
2.1  
Removal of the Toshiba  
Regulator  
6. Remove all wiring connections from the  
capacitor.  
7. Remove the “AUTO/MANUAL, RAISE/  
LOWER switch” bracket from the cabinet  
by removing the two screws (save  
screws).  
Refer to Figure 1, and Figure 3, Outline Dimensions.  
1. Open the cabinet door of the Toshiba  
regulator.  
8.  
Remove the panel for the “Operations  
Counter, Fuse Holder and Test Jack  
Fixture” (save screws).  
2. Loosen the two thumbscrews on the  
control panel and swing the panel  
outward.  
3. Disconnect the three plugs that connect  
the wiring harness to the rear of the  
Toshiba control panel.  
TOSHIBA  
TB-R800  
b
d
g
478593  
Figure 1 Toshiba Regulator in Cabinet  
–2–  
 
M-2299 Application Guide  
2.2  
Installation of the M-2001  
Series Digital Tapchanger  
Control  
2.3  
Installation of the M-2299  
Refer to Figure 2, below.  
1. Mount the supplied printed circuit board  
against the rear of the cabinet in the  
screw holes from the "AUTO/MANUAL,  
RAISE/LOWER switch" bracket, utilizing  
saved screws. See Figure 4, Wiring  
Harness and External Connections.  
Mount the M-2001 Tapchanger Control to the back  
of the M-2299 Adapter Panel and secure with the  
four screws provided. The four screws are shipped  
in a drawstring bag which is attached to the adapter  
panel.  
2. Connect the supplied printed circuit board  
TB1 wiring harness to the BT1 terminal  
block and capacitor. Refer to Figure 4  
for wiring connections.  
3. Mount the M-2299 Adapter Panel (with  
the M-2001) onto the hinges in the control  
cabinet and install the two hinge pins  
saved from the original regulator. Leave  
the panel swung outward so that the  
back of the panel is accessible.  
4. Connect the M-2299 and M-2001B wiring  
connectors to the supplied circuit board  
and Neutral Light. Refer to Figure 4 for  
wiring connections.  
5. Swing the adapter panel closed and turn  
knob to latch securely.  
NEUTRAL  
LIGHT  
INT  
VOLTAGE  
SOURCE  
OFF  
OFF  
OFF  
EXT  
RAISE  
RAISE  
U
LOWER  
AUTO  
LOWER  
REV PWR  
UP  
E
ENTER  
OK  
D
COM 2  
DOWN  
MANUAL  
M - 2 0 0 1 B  
VOLTAGE IN  
METER OUT  
TEST TERMINAL  
AMP  
3
M-2299  
TAPCHANGER CONTROL  
VOLTAGE  
.25 AMP  
BECKWITH  
CO. INC.  
ELECT RIC  
MOTOR POWER  
6 AMP  
Figure 2 M-2299 Adapter Panel and M-2001 Tapchanger Control in Cabinet  
–3–  
 
M-2299 Application Guide  
9.17  
[23.29]  
NEUTRAL  
LIGHT  
INT  
VOLTAGE  
SOURCE  
OFF  
OFF  
OFF  
EXT  
RAISE  
RAISE  
U
LOWER  
AUTO  
LOWER  
REV PWR  
UP  
E
ENTER  
OK  
D
COM 2  
DOWN  
MANUAL  
M - 2 0 0 1 B  
VOLTAGE IN  
METER OUT  
12.00  
[30.48]  
FUSE  
TEST TERMINAL  
3 AMP  
FUSE  
M-2299  
TAPCHANGER CONTROL  
VOLTAGE  
.25 AMP  
FUSE  
BECKWITH  
CO. INC.  
ELECT RIC  
MOTOR POWER  
6 AMP  
NOTE:Values in brackets are in centimeters.  
Figure 3 Mounting Dimensions  
–4–  
 
M-2299 Application Guide  
.
A
R E V  
C O . I N C .  
E L E C T R I C  
B E C K W I T H  
B E # 4 5 0 - 0 0 2 0 0  
P - 1 7 7 8  
BT1-6  
BT1-8  
BT1-7  
C1-2  
R2  
R3  
R1  
C1-1  
RV5  
RV2  
BT1  
BT1-9  
BT1-1  
RV1  
RV4  
BT1-11  
R4  
R5  
RV3  
BT1-10  
C4  
C2  
BT1-5  
U1  
JP1  
C3  
C12  
R15  
R12  
R11  
R13  
R6  
D2  
C11  
D3  
BT1-4  
BT1-12  
BT1-1  
RV6  
R14  
R9  
R10  
R7  
R8  
C10  
C1-2  
C1-1  
Capacitor  
C1-2  
C1-1  
Customer  
Terminal Block  
To Tapchanger  
D1  
1
BT1  
2
6
1
5
2
3
4
6
S4  
1
2
J7  
M-2001  
5
.
A
R E V  
C O . I N C .  
B E # 4 5 0 - 0 0 2 0 0  
P - 1 7 7 8  
E L E C T R I C  
B E C K W I T H  
4
6
3
S2  
1
2
J6  
5
4
3
S3  
R2  
BP1  
R
B
R3  
R1  
RV5  
RV2  
J5  
J4  
RV1  
RV4  
R4  
R5  
BP2  
B
R
1
RV3  
C2  
C4  
U1  
JP1  
C3  
2
Terminal Block  
Connections  
TB-1  
C12  
R15  
D2  
C11  
D3  
R12  
R11  
R13  
R6  
R9  
R10  
RV6  
R14  
F2  
F3  
F4  
Circuit Board  
R7  
R8  
C10  
1
1
2
2
Figure 4 M-2299 Wiring Harness and External Connections  
–5–  
 
M-2299 Application Guide  
2.4  
Lightning Protection  
3.0  
External Connections  
It has been determined that transient voltages in  
excess of 1500 V ac rms can exist on the “ground”  
lead normally tied to TB1-8 on the printed circuit  
board. In the Tapchanger Controls, these voltages  
are suppressed by varistors which still permit the  
unit to pass a 1500 V ac Hi Pot test for one minute  
with a leakage current of approximately 15 mA, all  
terminals to ground.  
Power and voltage sensing are obtained either from  
a common source or from independent sources  
having a nominal 120 V ac output. Normally, this is  
line-to-neutral voltage, although line-to-line voltage  
can also be used if recognition is made of any  
phase shift between the voltage and current signals  
when using line drop compensation.  
Load current must be reduced by an appropriate  
auxiliary current transformer to 0.2 A “full scale”  
before connecting to the M-2299 current inputs.  
The Beckwith Electric M-0121 (5.0 A to 0.2 A) or  
M-0169 (5.0 A or 8.66 A to 0.2 A) Auxiliary Current  
Transformer can be used for this purpose. The  
M-0121 can be used with Beckwith Electric  
Tapchanger Controls when the only burden present  
is the Line Drop Compensator circuit of the voltage  
regulating relay. The M-0169 is used in high burden  
circuits, such as are found in paralleling schemes.  
Outputs of the auxiliary CTs are protected against  
overvoltage. For further information, obtain Beckwith  
Electric Application Note #17, “Basic Considerations  
for the Application of LTC Transformers and  
Associated Controls.”  
CAUTION: For proper protection against system  
surges, chassis ground must be connected to earth  
ground.  
Multiple VT grounds far apart must be avoided  
since a varying difference in ground voltage could  
add or subtract from the effective voltage and  
cause variation in the Tapchanger Control’s  
bandcenter voltage setpoint.  
The external connections for the M-2299 are made  
to terminal blocks TB1 and TB2 on the printed  
circuit board. The wiring harness and external  
connections for the M-2299 are shown in Figure 4,  
Wiring Harness and External Connections, and  
Figure 5, M-2001 and M-2299 Typical Connections.  
–6–  
 
M-2299 Application Guide  
TB1  
M-2001  
M-2299  
TAPCHANGER  
CONTROL  
ADAPTER PANEL  
FUNCTIONS  
6
8
POLARITY CONTACT  
1
2
3
4
FUNCTIONS  
VOLTAGE REDUCTION STEP #2 CONTACT  
RESISTOR NETWORK WIPER  
POSITION RESISTOR  
7
2
5
6
MOTOR  
3
VOLTAGE REDUCTION  
STEP #1 CONTACT  
MANUAL RAISE  
MANUAL LOWER  
L
R
OFF (MOM)  
INT  
7
8
1
NEUTRAL  
MOTOR POWER  
FUSE (6 A)  
9
MANUAL  
9
11  
10  
5
MOTOR POWER  
VOLTAGE IN  
FUSE (1/4 A)  
OFF  
OFF  
EXT  
20, 21 or 22  
on T.C.  
NEUTRAL LIGHT SWITCH  
VOLTAGE IN  
(REGULATED  
120 V)  
10  
11  
12  
13  
14  
NEUTRAL  
LIGHT  
AUTO  
TO  
INT  
CONTROL  
N/U  
OFF  
EXT  
OPERATIONS COUNTER  
SWITCH  
OP  
COUNTER  
4
12  
LINE  
CURRENT  
CT  
15  
1
METER OUT  
VOLTAGE IN  
CT  
SHORTING SWITCH  
TEST  
TERMINAL  
FUSE 3A  
NEUTRAL  
TB2  
FRONT PANEL INPUTS  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
LOCAL/REMOTE  
AUTO DISABLE  
MANUAL RAISE  
Toshiba Terminals  
M-2299 Terminals  
MANUAL LOWER  
N/U  
SELF-TEST ALARM (RETURN)  
SELF-TEST ALARM (POLARITY)  
NC  
See Note  
USER-PROGRAMMABLE ALARM (RETURN)  
NO  
USER-PROGRAMMABLE ALARM (POLARITY)  
+12 V dc WETTING SUPPLY  
+12 V dc  
NOTE:The self-test alarm and user-programmable alarm contacts are shown in the de-energized state (no  
voltage applied).The self-test alarm contacts open after the M-2001 passes the self-test; the user-program-  
mable alarm contacts close when an alarm is recognized.  
8 WARNING:In no case should the line current circuit be interrupted with the regulator or transformer  
energized.  
Do not remove auxiliary current transformers without shorting the current inputs. Death or severe  
electrical shock can occur.  
Figure 5 M-2001 and M-2299 Typical Connections  
–7–  
 
M-2299 Application Guide  
Multi-Step Voltage Reduction  
3.1  
Features  
On the M-2299, TB1-2 and TB1-7 on the printed  
circuit board are used together to provide up to  
three levels of voltage reduction. The external  
connections to achieve these steps are shown in  
Table 1, below, and Figure 5, M-2001 and M-2299  
Typical Connections. (Voltage reduction amounts  
are set within the M-2001 Tapchanger Control  
software.)  
Neutral Light Circuit  
The M-2299 is prepared for use with regulators  
which use a neutral light. Toshiba products require  
that the Neutral Light terminal TB1-11 (BT-5) be  
grounded when the light is to be illuminated.  
Auto Disable Input  
CAUTION: Voltage applied through dry contacts  
to actuateVoltage Reduction Steps 1, 2, and 3 must  
be +12V dc obtained from pinTB2-27 of the M-2299  
adapter panel.  
To disable automatic operation of the M-2299,  
remove the jumper between TB2-18 and TB2-19 on  
the printed circuit board. If SCADA is used to  
enable and disable this function, a contact rated at  
6 A minimum can be connected between the  
terminals.  
Operations Counter Input  
An operations count is registered by momentarily  
grounding TB1-13 through an external dry contact  
from the load tapchanger. The input is level-sensitive.  
Make sure that any “wetting” voltages are removed  
from the counter contacts before installing the  
M-2299 Adapter Panel/M-2001 Tapchanger Control.  
Local/Remote Input  
Removing the jumper between TB2-16 and TB2-17  
prohibits operation by disabling the M-2001  
Tapchanger Control’s automatic raise and lower  
outputs and also by disabling the M-2299 Adapter  
Panel’s manual RAISE/OFF/LOWER toggle switch.  
Removing this jumper does not disable the SCADA-  
supplied motor voltage input to the manual raise/  
manual lower contacts on the adapter panel.  
CAUTION: Do not apply either +12V dc or 120V  
ac to this terminal.  
Voltage Reduction Setpoint: Apply "Wetting Voltage" from  
Multiplier Range  
TB2-27 to Terminal #  
Voltage Reduction Setpoint #1:  
0 to 1  
TB1-7  
Voltage Reduction Setpoint #2:  
0 to 1  
TB1-2  
Voltage Reduction Setpoint #3:  
0 to 1  
TB1-7 and TB1-2  
Table 1 Multi-Step Voltage Reduction External Connections  
–8–  
 
M-2299 Application Guide  
3.2  
Typical Connections for  
Toshiba Regulators  
3.3  
Use of the M-0329 LTC  
Backup Control with the  
Tapchanger Control  
In general, the tapchanger motor must be operated  
from a different transformer than the VT used to  
measure regulated voltage. If this is not done,  
hunting at the upper band edge may result. As soon  
as the motor starts and before it is sealed in, the  
motor current can drop the voltage within the band  
and reset the control. Some motor seal-in schemes  
are fast enough to prevent this, but others are not.  
The M-0329 is a single-phase, solid-state backup  
control that prevents a defective tapchanger control  
from running the voltage outside the upper and  
lower voltage limits. The Block Raise and Block  
Lower voltage levels are set by accurately calibrated  
dials.  
The M-0329 LTC Backup Control is connected as a  
two terminal device to the voltage transformer.  
Figure 6, below, shows the typical interconnection  
of the two devices with motor auxiliary relays.  
A typical connection for an M-2299 is shown in  
Figure 5, M-2001 and M-2299 Typical Connections.  
Connections are simplified and may not show all  
functions required in a typical load tapchanging  
transformer control scheme; for example, seal-in  
contacts, limit switches, etc.  
The M-0329 Instruction Book is available on request  
and gives added details. Please refer to the M-0329  
Instruction Book for complete ordering information.  
MOTOR  
SUPPLY  
TAPCHANGER  
CONTROL  
TB1-11  
*
1
2
M-0329  
90 BACKUP  
TB1-7  
120 VAC POWER  
LOWER  
TB1-12  
TB1-6  
*
R
L
3
BLK  
RAISE  
TB1-8  
TB1-9  
REGULATED VOLTAGE  
TB1-7  
TB1-9  
4
14  
BLK  
LOWER  
ALARM  
TB1-10  
15  
LIMIT SWITCHER, AUXILIARY CONTACTS AS  
REQUIRED IN MOTOR CONTROL CIRCUITS  
84R - RAISE MOTOR AUXILIARY RELAY  
84L - LOWER MOTOR AUXILIARY RELAY  
84R  
84L  
* NOTE: If first customer protection is not required, delete these connections.  
Figure 6 Tapchanger Control and LTC Backup Control Interconnections  
–9–  
 
M-2299 Application Guide  
4.0  
M-2001 Tapchanger Control  
Software Settings  
5.0  
Test Procedures  
Equipment Required  
Adjust the BANDCENTER setting to the nominal  
voltage desired. Adjust the BANDWIDTH setting to  
the desired voltage band, centered on the  
Bandcenter setpoint, that the voltage must exceed  
before timer and subsequent tapchanger operation  
occurs. Adjust the TIME DELAY setpoint to a  
sufficient amount to eliminate excessive tapchanger  
operations. The LINE DROP COMPENSATOR  
should be set for the line impedance from the  
transformer to the load center. For further information,  
obtain Beckwith Electric Application Note #17,  
Basic Considerations for the Application of LTC  
Transformers and Associated Controls.”  
0–200 mA current supply with phase angle  
settings of 0° to +90°  
90–145 V ac voltage source at 60 Hz  
High impedance true RMS voltmeter with  
accuracy on ac of at least 0.2% of  
reading  
Accurate Stop watch  
Set-up Procedure  
1. Make electrical connections as shown  
in Figure 7, Test Procedure External  
Connection.  
NOTE: There is a one second delay between  
out-of-band condition and panel LED indication.  
4.1  
M-0329 LTC Backup Control  
Settings  
2.  
Initial settings  
The BANDCENTER and BANDWIDTH dials on the  
M-0329 LTC Backup Control should be set so that  
the Block Lower limit is a small amount  
(approximately 2 V) below the lower band limit of  
the Tapchanger Control, and the Block Raise limit  
is a similar amount above the upper limit if line drop  
compensation is not used.  
Initial Settings  
120.0 V  
2.0 V  
Bandcenter  
Bandwidth  
LDC Resistance  
LDC Reactance  
Paralleling  
0.0 V  
If line drop compensation is used, the M-0329  
Block Raise limit should be set at the maximum  
voltage desired at the transformer secondary under  
full load.  
0.0 V  
Circulating Current Method  
Block Raise  
Block Lower  
Deadband  
135.0 V  
105.0 V  
2.0 V  
The M-0329 LTC Backup Control also includes a  
deadband or runback function that regulates the  
maximum voltage from the transformer. This “Lower”  
function operates slightly above the Block Raise  
limit and is connected to force the tapchanger to  
lower the voltage if the upper limit is exceeded.  
Timer  
5.0 seconds  
Table 2 Initial Settings  
–10–  
 
M-2299 Application Guide  
Voltage Source Switch  
5.1  
Bench Test  
1. Set AUTO/OFF/MANUAL switch to OFF.  
2. Set VOLTAGE SOURCE switch to EXT.  
3. Verify no manual Raise or Lower output.  
4. Attach voltmeter to Meter Out terminals.  
5. Verify no voltage is present.  
NOTE: This test assumes that the M-2001  
Tapchanger Control is connected to the M-2299  
Adapter Panel.  
1.  
Apply 120.0 V ac from power source.  
2. The display of the M-2001 will  
automatically advance to Local Voltage  
screen.  
6. Apply 120 V ac to the Voltage In jack  
(Black-Neutral, Red-Hot).  
7. Set AUTO/OFF/MANUAL switch to  
3.  
Increase voltage to 121.2; LOWER LED  
should light.  
AUTO.  
8. Verify normal raise and lower operation.  
4. Decrease voltage to 118.8; RAISE LED  
9. Return the VOLTAGE SOURCE switch  
should light.  
to INT.  
5.  
Set input voltage to 120.0 V ac. Wait  
for RAISE and LOWER LEDs to  
extinguish.  
Counter/Neutral Light  
1. Set the M-2001 Tapchanger Control to  
display the Operations Count screen.  
6.  
Increase voltage to 122.0 V ac.  
7. Start timing when voltage passes  
121.0 V.  
2. Verify counter operation by connecting  
a switch between TB1-13 (operations  
counter input) and TB1-8 (neutral) of the  
adapter panel.  
8. Stop timing when lamp connected to  
LOWER output lights (should be 5  
seconds).  
3. Jumper TB1-11 (neutral light) to TB1-8  
(neutral).  
Resistance  
1. Apply 100.0 mA in-phase current to  
4. The neutral light on the adapter panel  
should light.  
TB1-14 (load current-polarity) and  
TB1-15 (load current-return) of the  
adapter panel. (Set S1 to LDC and S2 to  
IR.)  
5. Remove the jumper.  
Block Raise/Block Lower/Dead Band  
1. Set Block Raise to 126.0 V.  
2. Set LDC Resistance to 24.0 V; RAISE  
LED should light.  
2. Set Block Lower to 114.0 V.  
3. Increase input voltage to 132.0 V ac;  
RAISE and LOWER LEDs should be  
extinguished.  
3. Set the M-2001 Tapchanger Control to  
display the Bias Voltage screen.  
4. Press ENTER.  
4.  
Set LDC Resistance to –24.0 V; LOWER  
LED should light.  
5. Increase voltage to 126.5 V; BR should  
appear on the screen.  
5. Decrease input voltage to 108.0 V ac;  
both RAISE and LOWER LEDs should  
extinguish.  
6. Increase voltage to 128.5 V; BR goes  
off and FL appears on the screen.  
6. Set LDC Resistance to 0.0 V.  
7. Decrease voltage to 113.5 V; BL appears  
on the screen.  
—Bench Test Complete—  
–11–  
 
M-2299 Application Guide  
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puboneswitch  
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102VLmprReayCoil  
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Figure 7 M-2299 Test Procedure External Connection  
–12–  
 
M-2299 Application Guide  
5.2  
M-2001 Checkout Procedure  
6.0  
Checkout Procedure  
NOTE:This test of the M-2001 assumes that the  
unit remains connected to the adapter panel.  
NOTE: All Beckwith Electric units are fully cali-  
brated at the factory.There is no need to re-calibrate  
the units before initial installation.  
Basic Operational Test  
Set the AUTO/OFF/MANUAL switch to OFF.  
Inspect the MOTOR POWER and VOLTAGE fuses  
to ensure they are correctly sized and have not  
blown.  
1.  
Apply 120.0 V ac to TB1-9 (motor power)  
and TB1-10 regulated voltage) of adapter  
panel.  
2.  
Connect neutral to TB1-8 (neutral).  
3. Verify local voltage y input voltage  
0.3 V.  
6.1  
Power  
4.  
Apply 100.0 mA in-phase current to  
TB1-14 (load current-polarity) and  
TB1-15 (load current-return) of the  
adapter panel. Verify Control Load I y  
100 mA and Power Factor y 1.0 0.02.  
1. Remove any external connection  
between TB1-9 and TB1-10 which are  
located on the adapter panel printed  
circuit board. Also remove any voltage  
applied to TB1-9 externally. Using a  
voltmeter, make sure that the voltage  
applied to TB1-10 is nominal 120 V ac  
with respect to TB1-8 (neutral). Apply  
power to TB1-10 (hot) and TB1-8  
(neutral).  
5. Verify UP, DOWN and ENTER buttons  
work.  
—Checkout Procedure Complete—  
8 WARNING:Voltage applied at the METER OUT  
test terminal may energize the regulator or trans-  
former to a high voltage through the voltage  
transformer.  
5.3  
In-Service Test  
1. Set the M-2001 Tapchanger Control to  
display Bias Voltage screen.  
Death or severe electrical shock can occur.  
2.  
Press ENTER.  
Do not connect any voltage source at the METER  
OUT test terminal.  
3. Use UP and DOWN buttons to cause  
RAISE and LOWER outputs.  
2. Connect a voltmeter to the METER OUT  
test terminal on the front of the adapter  
panel. 120 V ac should be indicated.  
—In-Service Test Complete—  
Return unit to desired settings  
CAUTION: Do not reverse the ground and hot  
wires when connecting an external source. A 3 AG  
fuse (F2) is installed to protect the relay from dam-  
age if these connections are accidentally reversed.  
Spare fuses are supplied inside the fuse holders.  
Units returned with only a blown fuse are not cov-  
ered by warranty, and a nominal repair charge will be  
made for replacement of the fuse. Please check the  
fuse before returning the unit for repair, in order to  
avoid unnecessary repair charges.  
–13–  
 
M-2299 Application Guide  
3.  
Apply motor power to TB1-9 (hot) and  
6. Replace the shorting device across the  
load current input and remove the  
ammeter. Reconnect polarity to the unit  
and remove both jumpers. The LINE  
DROP COMPENSATOR will be  
activated. Correct CT polarity can be  
checked by simply incorporating  
sufficient +R compensation. The  
regulator should time out and run so as  
to raise the output voltage.  
TB1-8 (neutral). Set the AUTO/OFF/  
MANUAL switch to MANUAL and using  
the RAISE/OFF/LOWER switch, verify  
that the motor runs in the proper direction  
when this switch is in the RAISE and  
LOWER positions.  
4. Set the AUTO/OFF/MANUAL switch to  
the AUTO position. Refer to the Field  
Checkout Procedure as found in the  
Status & Setpoint Review Guide of the  
M-2001 Tapchanger Control Instruction  
Book for test/operation procedures.  
8 WARNING:In no case should the load current  
circuit be interrupted with the regulator or trans-  
former energized.  
5.  
As shown in Figure 6-1, Typical External  
Connections, in the M-2001B Instruction  
Book, temporarily place a shorting device  
across the LDC-CT secondary to short  
the line drop compensator circuit, and  
place another shorting device across  
TB1-3 and TB1-4 to short the circulating  
current paralleling input, for the load  
current check. Insert an ammeter  
between the polarity input and TB1-14.  
Open the load current shorting device  
and with a known load on the transformer  
or regulator, measure the current in the  
load current circuit to ensure that this  
current is correct for 0.2 A full load.  
Do not remove auxiliary current transformers  
without shorting the current inputs.  
Death or severe electrical shock can occur.  
TB1 on printed circuit board  
Normally 1-CT on  
X , X , X bushing  
1
2
3
N/U  
N/U  
3
4
M-2299  
TAPCHANGER  
CONTROL  
14  
15  
A
200 mA  
LDC-CT  
XXXX:5 A  
LOAD CURRENT  
5 A  
AUX  
CT  
Shorting  
device  
Figure 8 Setup for Current Checkout Procedure  
–14–  
 
M-2299 Application Guide  
6.2  
Voltage Source Switch  
7.0  
Maintenance  
The VOLTAGE SOURCE switch will disconnect all  
power from the unit when in the EXT position with  
no source connected to the front panel voltage and  
motor power inputs.  
Due to the nature of the circuitry in the M-2001  
Tapchanger Control, field repair is not  
recommended. All units are fully calibrated at the  
factory prior to shipment; there is no need to re-  
calibrate a unit prior to initial installation. In the  
event that a unit does not operate properly, it  
should be established that the problem is caused  
by a malfunction of the Tapchanger Control and not  
caused by an external fault or wiring error. Check  
for blown fuses on the Adapter Panel. If the  
Tapchanger Control is still not operating properly,  
set the AUTO/OFF/MANUAL switch on the Adapter  
Panel to MANUAL. Once this is accomplished, the  
Tapchanger Control can be disconnected and  
returned to Beckwith Electric. Pack the unit carefully  
(in the original carton if possible), assuring that  
there is adequate packing material to protect the  
contents.  
CAUTION: Do not reverse the ground and hot  
wires when connecting an external source. A 3 AG  
(F2) is installed to protect the relay from damage if  
these connections are accidentally reversed.  
With the VOLTAGE SOURCE switch in the EXT  
position, the sensing and motor power circuits are  
connected to the VOLTAGE IN binding post on the  
front panel. The unit can be tested using an external  
120 V rms source of proper polarity applied to these  
terminals. Testing can be accomplished by adjusting  
the amplitude of the external source.  
NOTE: Any equipment returned for repair must be  
sent with transportation charges prepaid.The equip-  
ment must remain the property of the user.The war-  
ranty is void if the value of the unit is invoiced to  
Beckwith Electric at the time of return or if the unit  
is returned with transportation charges collect.  
If under warranty, units will be repaired rapidly and  
returned at no cost and with return transportation  
paid if the fault is found to be due to workmanship  
or failure of material. If a unit is under warranty and  
express shipment for return of the repaired unit is  
requested, shipping charges will be billed at the  
current rate. If the fault is due to abuse or misuse,  
or if the unit is out of warranty, a modest charge will  
be made. Repair can normally be expected to take  
two weeks, plus shipping time. If faster service is  
required, it should be requested at the time of  
return.  
NOTE: Adapter panels returned with only a blown  
fuse are not covered by warranty and a nominal re-  
pair charge will be made for replacement of the fuse.  
Please check the fuses before returning the adapter  
panel for repair in order to avoid unnecessary repair  
charges.  
To help in analyzing the problem, a complete  
description of the malfunction and conditions leading  
to the failure should be included with the unit.  
–15–  
 
M-2299 Application Guide  
This Page Left Intentionally Blank  
–16–  
 
Legal Information  
Indemnification  
The Seller shall not be liable for any property  
damages whatsoever or for any loss or damage  
arising out of, connected with, or resulting from  
this contract, or from the performance or breach  
thereof, or from all services covered by or furnished  
under this contract.  
Patent  
The units described in this manual are covered by  
U.S. Patents, with other patents pending.  
Buyer shall hold harmless and indemnify the Seller,  
its directors, officers, agents, and employees from  
any and all costs and expense, damage or loss,  
resulting from any alleged infringementof United  
States Letters Patent or rights accruing thereform or  
trademarks, whether federal, state, or common law,  
arising from the Seller’s compliance with Buyer’s  
designs, specifications, or instructions.  
In no event shall the Seller be liable for special,  
incidental, exemplary, or consequential damages,  
including but not limited to, loss of profits or  
revenue, loss of use of the equipment or any  
associated equipment, cost of capital, cost of  
purchased power, cost of substitute equipment,  
facilities or services, downtime costs, or claims or  
damages of customers or employees of the Buyer  
for such damages, regardless of whether said claim  
or damages is based on contract, warranty, tort  
including negligence, or otherwise.  
Warranty  
Seller hereby warrants that the goods which are the  
subject matter of this contract will be manufactured  
in a good workmanlike manner and all materials  
used herein will be new and reasonably suitable for  
the equipment. Seller warrants that if, during a  
period of five years from date of shipment of the  
equipment, the equipment rendered shall be found  
by the Buyer to be faulty or shall fail to peform in  
accordance with Seller’s specifications of the  
product, Seller shall at his expense correct the  
same, provided, however, that Buyers shall ship the  
equipment prepaid to Seller’s facility. The Seller’s  
responsibility hereunder shall be limited to replace-  
ment value of the equipment furnished under this  
contract.  
Under no circumstances shall the Seller be liable  
for any personal injury whatsoever.  
It is agreed that when the equipment furnished  
hereunder are to be used or performed in connec-  
tion with any nuclear installation, facility, or  
activity, Seller shall have no liability for any  
nuclear damage, personal injury, property damage,  
or nuclear contamination to any property located at  
or near the site of the nuclear facility. Buyer agrees  
to indemnify and hold harmless the Seller against  
any and all liability associated therewith whatso-  
ever whether based on contract, tort, or otherwise.  
Nuclear installation or facility means any nuclear  
reactor and includes the site on which any of the  
foregoing is located, all operations conducted on  
such site, and all premises used for such opera-  
tions.  
Seller makes no warranties expressed or implied  
other than those set out above. Seller specifically  
excludes the implied warranties of merchantibility  
and fitness for a particular purpose. There are no  
warranties which extend beyond the description  
contained herein. In no event shall Seller be liable for  
consequential, exemplary, or punitive damages of  
whatever nature.  
Notice:  
Any illustrations and descriptions by Beckwith  
Electric Co., Inc. are for the sole purpose of  
identification.  
Any equipment returned for repair must be sent  
with transportation charges prepaid. The equipment  
must remain the property of the Buyer. The afore-  
mentioned warranties are void if the value of the  
unit is invoiced to the Seller at the time of return.  
The drawings and/or specifications enclosed herein  
are the proprietary property of Beckwith Electric  
Co., Inc., and are issued in strict confidence;  
therefore, shall not be used as a basis of reproduc-  
tion of the apparatus described therein without  
written permission of Beckwith Electric Co., Inc.  
No illustration or description contained herein  
shall be construed as an express warranty of  
affirmation, promise, description, or sample, and  
any and all such express warranties are specifically  
excluded nor shall such illustration or description  
imply a warranty that the product is merchantable  
or fit for a particular purpose. There shall be no  
warranties which extend beyond those contained in  
the Beckwith Electric Co., Inc. terms of sale.  
All rights reserved by Beckwith Electric Co., Inc. No reproduction may be made without prior written approval  
of the Company.  
 
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BECKWITH ELECTRIC CO., INC.  
6190 - 118th Avenue North • Largo, Florida 33773-3724 U.S.A.  
PHONE (727) 544-2326 • FAX (727) 546-0121  
© 2001 Beckwith Electric Co.  
Printed in USA  
800-2299-AG-00MC4 01/07  
 

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