B-1
Appendices
TP-5672 11/95
General Controller Information
TB-DC1
Terminal
No.
Input/
Output*
TB-DC1
Terminal Name
TB-DC1
Terminal Description
1
OUTPUT
Programming-Mode-Not-
In-Off
If the programming-mode key is not in the off position, terminal
1 is grounded.
2
INPUT
Manual Transfer
to Normal
If terminal 2 is grounded, a manual-transfer-to-normal-source
occurs.
3
INPUT
Bypass
Normal-To-Emergency
Time Delay
If terminal 3 is grounded, the normal-to-emergency time delay
is bypassed.
4
INPUT
Bypass
Emergency-to-Normal
Time Delay
If terminal 4 is grounded, the emergency-to-normal time delay
is bypassed.
5
OUTPUT
Load Bank Control
If the plant exerciser is set to no load and is active, the load
bank control is on. Terminal 5 is grounded.
6
INPUT
Area-Protection
If terminal 6 is not grounded, the area-protection mode is
active.
7
INPUT
Manual Transfer
to Emergency
If terminal 7 is grounded, a manual transfer to emergency
occurs.
8
INPUT
Fault 1
If terminal 8 is grounded, the fault 1 message appears on the
LCD.
9
INPUT
Not-In-Automatic
If terminal 9 is grounded, the not-in-automatic LED flashes.
10
INPUT
Exercise At
No Load/Full Load
If terminal 10 is grounded, the generator set runs loaded during
the plant exercise.
11
INPUT
Fault 2
If terminal 11 is grounded, the fault 2 message appears on the
LCD.
12
INPUT
Manual Transfer to Off
If terminal 12 is grounded, a manual transfer to off occurs.
13
N/A
Reserved
Reserved
14
OUTPUT
Not-In-Automatic
If the logic board is not in the automatic mode, terminal 14 is
grounded.
15
N/A
Reserved
Reserved
16
N/A
Reserved
Reserved
17
OUTPUT
Off Position Relay
If the contactor is in the Off position, then terminal 17 is
grounded.
*
Use Dry Contact Kit for external annunciation to custom equipment.
Figure B-1. Power supply board TB-DC1 terminal numbers, names,
and descriptions
