Siemens SIMATIC S7-1500 Manual page 18

Connecting
3.1 Pin assignment
View Signal name
Channel 2
21
22
23
24
25
26
27
28
29
Channel 3
30
31
32
33
34
35
36
37
38
39
40
Note
Use of jumper links in the front connector is not permitted.
18
24 V, asymmetrical
CH2.P/A —
/CH2.P/A
CH2.D/B
/CH2.D/B
DQ2.0 Pulse signal P/A
DQ2.1 Pulse signal D/B
DI2.0
DI2.1
DIQ2.2
CH3.P/A —
/CH3.P/A
CH3.D/B
/CH3.D/B
DQ3.0 Pulse signal P/A
DQ3.1 Pulse signal D/B
DI3.0
DI3.1
DIQ3.2
M Ground for digital outputs, digital inputs and pulse signals of the
M
Designation
RS422, symmetrical
Pulse signal P/A
Inverted pulse signal P/A
Pulse signal D/B
Inverted pulse signal D/B
Digital output DQ0
—
Digital input DI0
Digital input DI1
Digital input/output DIQ2
Pulse signal P/A
Inverted pulse signal P/A
Pulse signal D/B
Inverted pulse signal D/B
Digital output DQ0
—
Digital input DI0
Digital input DI1
Digital input/output DIQ2
technology module
Technology Module TM PTO 4 (6ES7553-1AA00-0AB0)
Manual, 12/2016, A5E38896703-AA
TTL (5 V), asymmetrical
Pulse signal P/A
—
Pulse signal D/B
—
Digital output DQ0
—
Pulse signal P/A
—
Pulse signal D/B
—
Digital output DQ0
—