Siemens FM 450-1 - Page 27

Assignment of front connector
Table 4-1 Assignment of front connector
Terminal Name Inputs/
outputs
Function
5 V encoder RS
422, symmetrical
24 V encoder,
asymmetric
24-V pulse encod‐
er with direction
level
24 V initiator
1 -
2 -
3 1L+ ON 24 V auxiliary voltage supply for encoders
4 1M ON Auxiliary voltage ground to supply encoders
Counter 1
5 1 A ON Encoder signal A -
6 1 /A ON Encoder signal /A -
7 1 B ON Encoder signal B -
8 1 /B ON Encoder signal /B -
9 1 N ON Encoder signal N -
10 1 /N ON Encoder signal /N -
11 1 A* ON - Encoder signal A*
12 1 B* ON - Encoder signal B* Directional signal -
13 1 N* ON - Encoder signal N* -
14 1M OFF Ground for encoder power supply
15 5.2 VDC OFF 5.2 V encoder pow‐
er supply
-
16 24 VDC OFF - 24 V encoder power supply
Counter 2
17 2 A ON Encoder signal A -
18 2 /A ON Encoder signal /A -
19 2 B ON Encoder signal B -
20 2 /B ON Encoder signal /B -
21 2 N ON Encoder signal N -
22 2 /N ON Encoder signal /N -
23 2 A* ON - Encoder signal A*
24 2 B* ON - Encoder signal B*, directional signal
25 2 N* ON - Encoder signal N*
26 1M OFF Ground for encoder power supply
27 5,2 VDC OFF 5,2 V encoder pow‐
er supply
-
28 24 VDC OFF - 24 V encoder power supply
Counter 1
29 1I0 ON Digital input 1I0
30 1I1 ON Digital input 1I1
31 1I2 ON Digital input 1I2 (set counter)
32 -
Wiring
4.2 Terminal assignment of the front connector
Counter module FM 450-1
Equipment Manual, 03/2022, A5E03648739-AC 27