Iskra MT440 - Page 43

Technicaldata
User’sManual 39
Connection table
Function Connection
Measuring input:
AC current
IL1 1/3
IL2 4/6
IL3 7/9
AC voltage
UL1 2
UL2 5
UL3 8
N 11
I/O
Inputs / outputs:
I/O 1
C
+
15
C

16
I/O 2
C
+
17
C

18
I/O 3
C
+
19
C

20
I/O 4
C
+
21
C

22
Auxiliary power supply:
+ / AC (L) 13
– / AC (N) 14
Communication:
RS232 /
RS485
Rx / A 23
GND / NC 24
Tx / B 25