Siemens SINAMICS DCM Manual page 234

7.4.3.9 X541 bidirectional digital inputs/outputs
Table 7- 34 Terminals for bidirectional digital inputs/outputs
Terminal
6
5
4
3
2
1
DI/DO: Bidirectional digital input/output; M: Electronics ground
1)
Note
An open input is interpreted as "low".
Note
If a the 24 V supply is briefly interrupted, the digital outputs are deactivated during this time.
SINAMICS DCM DC Converter
Operating Instructions, 02.2015, A5E34763375/RS-AA/001
Designation
1)
M
DI/DO 11
DI/DO 10
DI/DO 9
DI/DO 8
+24 V
ac.maher.co.ir
Additional system components
7.4 Terminal Module TM31
Technical specifications
Auxiliary voltage:
Voltage: +24 VDC
Max. total load current of +24 V auxiliary voltage of
terminals X540 and X541 combined: 150 mA
As input:
Voltage: -3 to 30 V
Typical current consumption: 10 mA at 24 VDC
Input delay:
- For "0" to "1": Typ. 50 μs
- For "1" to "0": Typ. 100 μs
As output:
Voltage: 24 VDC
Max. load current per output: 500 mA
Max. total current of outputs (including currents in the
inputs): 100 mA / 1 A (assignable)
Sustained short-circuit
Output delay:
- For "0" to "1": Typ. 150 μs at 0.5 A resistive load
(500 μs maximum)
- For "1" to "0": Typ. 50 μs for 0.5 A resistive load
Switching frequency:
For resistive load: Max. 100 Hz
For inductive load: Max. 0.5 Hz
For lamp load: Max. 10 Hz
Maximum lamp load: 5 W
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