
Manual Lower
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
21
22
23
24
25
26
27
28
TB1
TB2
Manual Raise
Motor Seal-In Input
Self-Test Alarm
(Return)
Self-Test Alarm
(Polarity)
User-Programmable
Alarm (Return)
+12 Vdc Wetting
Supply
User-Programmable
Alarm (Polarity)
Auto Disable
Local/Remote
CT
20, 21 or
22 on T.C.
Line
Current
CT Shorting
Switch
Operations
Counter Switch
Position
Indicator Reset
Neutral Light
Switch
Voltage In
(Reg 120 V)
Neutral
(Grd Stud)
(Motor Return)
To Paralleling
Unit
Motor
L
R
Voltage Reduction
Step #1 Contact
Voltage Reduction
Step #2 Contact
Non-Sequential / Auto Tapchange
Inhibit Contact
16
Motor Power
Return
Circulating Current
(Return)
Circulating Current
(Polarity)
Tapchanger Raise
Output
Tapchanger Lower
Output
Non-Sequential / Auto
Tapchange Inhibit Input
Voltage Reduction
Step #2 Input
Voltage Reduction
Step #1 Input
Neutral
Motor Power 120/
240 Vac Supply
Regulated Voltage
(120 Vac)
Neutral Light
Drag Hands Reset
Operations
Counter Input
Line Current
(Polarity)
Line Current
(Return)
GUID-B1AD01CE-F6D7-4C3F-9389-E59E9147C972 V1 EN
Figure 440:
Typical Adapter Panel External Connections
1VAC388793-MB A
Section 8
Installation
TCC300
555
User Manual
Summary of Contents for TCC300
Page 1: ...Digital Tapchanger Control TCC300 User Manual ...
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