SMY133-SMY134-SMP133 Operating Manual
Numbering of Terminals – Measuring & Power Supply Inputs
signal
terminal No.
AV1
9
AV2
10
U1
12
U2
13
U3
14
N
11
I11 (SI1*)
1 (62*)
I12 (SG*)
2 (63*)
I21 (SI2*)
3 (65*)
I22 (SG*)
4 (66*)
I31 (SI3*)
5 (68*)
I32 (SG*)
6 (69*)
I41 (SI4*)
7 (71*)
I42 (SG*)
8 (72*)
SP*
61, 64, 67,70 *)
positive pole of 5V aux. supply for current sensors
*) … valid for „X/333mV“ models
Numbering of Terminals – I/O
RR/RI/II models
V(W) models
AA/AT models
signal
terminal
No.
signal
terminal
No.
signal
terminal
No.
O1A
15
D1 (RO1)
41
D1A
41
O1B
16
D2 (RO2)
42
D1B
42
O2A
17
C12 (CO)
43
IΔ11
43
O2B
18
D3 (DI1)
44
IΔ12
44
I1A
19
D4 (DI2)
45
IΔ21 / T+
45
I1B
20
C34 (CI)
46
IΔ22 / T-
46
Numbering of Terminals – Communication
RS – 485 (COM)
M-Bus
signal
terminal No.
signal
terminal No.
A+ / A+2 *)
28 / 31
M+
28
B- / B-2 *)
29 / 32
M -
29
G / G2 *)
30 / 33
-
-
*) … valid for models with two RS-485 communication links
71