Siemens Sinamics SM150 6SL3845-2NN41-8AD0 Operating And Installation Instructions page 132

Operation
8.6 Fault and system messages
r4022 TM15 digital inputs status
Display of the digital input status on the Terminal Module 15 (TM15)
Bit Signal name
14 DI/DO 14 (X521.8)
15 DI/DO 15 (X521.9)
16 DI/DO 16 (X522.2)
17 DI/DO 17 (X522.3)
18 DI/DO 18 (X522.4)
19 DI/DO 19 (X522.5)
20 DI/DO 20 (X522.6)
21 DI/DO 21 (X522.7)
22 DI/DO 22 (X522.8)
23 DI/DO 23 (X522.9)
DI/DO: Bidirectional digital input/output
r4047 TM15 digital outputs status
Display of the digital output status on the Terminal Module 15 (TM15)
Bit Signal name
00 DI/DO 0 (X520.2)
01 DI/DO 1 (X520.3)
02 DI/DO 2 (X520.4)
03 DI/DO 3 (X520.5)
04 DI/DO 4 (X520.6)
05 DI/DO 5 (X520.7)
06 DI/DO 6 (X520.8)
07 DI/DO 7 (X520.9)
08 DI/DO 8 (X521.2)
09 DI/DO 9 (X521.3)
10 DI/DO 10 (X521.4)
11 DI/DO 11 (X521.5)
12 DI/DO 12 (X521.6)
13 DI/DO 13 (X521.7)
14 DI/DO 14 (X521.8)
15 DI/DO 15 (X521.9)
16 DI/DO 16 (X522.2)
17 DI/DO 17 (X522.3)
18 DI/DO 18 (X522.4)
19 DI/DO 19 (X522.5)
20 DI/DO 20 (X522.6)
21 DI/DO 21 (X522.7)
22 DI/DO 22 (X522.8)
23 DI/DO 23 (X522.9)
It does matter whether DI/DO is set as an input or output (p4028).
DI/DO: Bidirectional digital input/output
132
0-signal
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
0-signal
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
SINAMICS SM150 6SL3845-2NN41-8AD0
Operating Instructions Rev.201908010908 EXAMPLE
1-signal
High
High
High
High
High
High
High
High
High
High
1-signal
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High