Siemens SIMATIC S7-1500 Manual page 53

Connecting
3.4 Digital inputs and outputs of X122, X132 and X142
Pin assignment of the X122 and X132 interfaces
Table 3- 7
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DI: Digital input; DI/DQ: Bidirectional digital input/output; M: Electronic ground;
1)
M1: Ground reference
B = Bidirectional; I = Input; GND = Reference potential (ground)
2)
52
Digital inputs and digital inputs/outputs of X122
Designation Signal type
1)
2)
DI0 I
DI1 I
DI2 I
DI3 I
DI16 I
DI17 I
M1 GND
M GND
DI/DQ8 B
DI/DQ9 B
M GND
DI/DQ10 B
DI/DQ11 B
M GND
Notes
Digital input 0
Digital input 1
Digital input 2
Digital input 3
Digital input 16
Digital input 17
Ground for DI0 to DI3, DI16, DI17
(isolated from M)
Ground
Digital input/output 8
(also usable as measurement sensing input)
Digital input/output 9
(also usable as measurement sensing input)
Ground
Digital input/output 10
(also usable as measurement sensing input)
Digital input/output 11
(also usable as measurement sensing input)
Ground
Equipment Manual, 11/2019, A5E46600370-AA
SIMATIC Drive Controller