MainsPro G99TT 1.0.0 Global Guide
11
3.2 List of terminals
BIC Binary inputs – COM terminal
BI1 – BI4 Configurable binary inputs
U
A
1 to 3
First set of voltage measurement terminals (UA).
Terminals UA1 and UA2 are internally interconnected
U
B
1 to 3
Second set of voltage measurement terminals (UB).
Terminals UB1 and UB2 are internally interconnected
U
C
1 to 3
Third set of voltage measurement terminals (UC).
Terminals UC1 and UC2 are internally interconnected
11, 21, 31, 41, 51 RE1-5 relay contact – common
12, 22, 32, 42, 52
RE1-5 relay contact – normally closed
(during fault-free conditions maintained in open position)
14, 24, 34, 44, 54
RE1-5 relay contact – normally open
(during fault-free conditions maintained in closed position)
L/+ Power supply – high range 85-265 VAC / 110 – 370 VDC
+ Power supply – low range 8 – 40 VDC. Connect "+" pole to this terminal
N/-
Common terminal for power supply.
In case of DC supply, connect "–" pole to this terminal
3.3 Wiring
3.3.1 "Star" connection 12
3.3.2 "Delta" connection 13
3.3.3 Connection with voltage transformers 13
3.3.4 Single-phase connection 14
3.3.5 Power supply 14
3.3.6 Relay outputs connection 15
3.3.7 Binary switches connection 16
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