Siemens SIMATIC S7-1500 Manual page 31

Wiring
3.3 TTL encoder signals
View
Channel 1
Note
Potential jumpers may not be inserted in the front connector.
30
Signal name
TTL incremental encoder
with
signal N
21 +CH1.A/D Encoder signal A
22 -CH1.A/D
23 +CH1.B/C Encoder signal B
24 -CH1.B/C
25 +CH1.N Encoder
signal N
26 -CH1.N
27 5VDC
28 M
29 24VDC
30 M
31 DI1.0
32 DI1.1
33 —
34 —
35 DQ1.0
36 DQ1.1
37 —
38 M
39 - —
40
Designation
without with direction
signal N signal
Counting signal A
—
Direction signal
B
—
—
Encoder supply 5 V DC
Ground for encoder supplies and digital inputs
Encoder supply 24 V DC
Ground for encoder supplies and digital inputs
Digital input DI0
Digital input DI1
—
—
Digital output DQ0
Digital output DQ1
—
Digital output ground
—
Technology module TM PosInput 2 (6ES7551-1AB00-0AB0)
TTL pulse encoder
without direc- Up/
tion signal Down
Up counting
signal A
— Down counting
signal B
—
Manual, 06/2018, A5E03982218-AB