GE RTT, Instruction Manual, Page: 27 / 94

CHAPTER 2: USING THE RTT ON SR SERIES RELAYS THE SR750/760 FEEDER MANAGEMENT RELAY
RTT DESKTOP TEST SET– INSTRUCTION MANUAL 23
2.2.4 RTT to SR750/760 Wiring Diagram
1. Ensure that Wet/Dry Input Type switch is set to DRY before applying power to the RTT
unit. The SR750 Relay accepts only DRY contact connections from the RTT.
2. Ensure that current and voltage knobs are turned fully counter-clockwise before
applying power to the RTT unit.
Note
*750/760 doesn’t have RTD function.
**Trip and Alarm Common terminals (F2 and F3) must be hardwired together.
Table 2–2: SR750/760 with RTT Set to Dry
RTDs*
RTD3 +
RTD3 -
RTD3 C
RTD2 +
RTD2 -
RTD2 C
RTD1 +
RTD1 -
RTD1 C
SPARE
Contact
Outputs**
CLOSE COMMON F3 -------------
RTT
TRIP COMMON F2 ------------------------- OUTPUT C
CLOSE NO E3 ------------------------- OUTPUT 2
TRIP NO E2 -------------------------
OUTPUT 1
Contact
Inputs
+32 V DC C11 ------------------------- INPUT C
Logic Input 7 C7 ------------------------- INPUT 8
Logic Input 6 C6 ------------------------- INPUT 7
Logic Input 5 C5 ------------------------- INPUT 6
Logic Input 4 C4 ------------------------- INPUT 5
Logic Input 3 C3 ------------------------- INPUT 4
Logic Input 2 C2 ------------------------- INPUT 3
Logic Input 1 C1 ------------------------- INPUT 2
Access C10 -------------------------
INPUT 1
CTs
Ia (5A) G7 -------------------------
I
+
Ia COM H7 -------------------------
I
-
VTs
VA H6 -------------------------
V
+
Vn G5 -------------------------
V
-