Electrical connection
5.6 Additional system components
SINAMICS DCP
96 Operating Instructions, 09/2019, A5E34382853K
X541 bidirectional digital inputs/outputs
Table 5- 30 Terminals for bidirectional digital inputs/outputs
Voltage: -3 V to 30 V
Potential distribution: no
Reference potential: M
Input characteristic acc. to IEC 61131-2, type 1
Input voltage (including ripple)
"1" signal: 15 … 30 V
"0" signal: -3 … +5 V
Input current
at 24 V DC: typ. 9 mA
for "1" signal: > 0.5 mA
Input delay:
- for "0" → "1": typ. 50 μs
-for "1" → “0” typ. 100 μs
Voltage: 24 V DC
Electrical isolation: no
Reference potential: M
Output voltage
"1" signal, with load: > X524.+ -2 V
For each output: ≤ 0.5 A
Sum of all 4 outputs: ≤ 2 A
Residual current for "0" signal: < 0.5 mA
Short-circuit protection, automatic restart after a
short-circuit
Load types: ohmic, capacitive, inductive
- for "0" → "1": typ. 150 μs / max. 500 μs (ohmic load)
- for "1" → "0": typ. 50 µs (ohmic load)
For ohmic load: Max. 100 Hz
For inductive load: Max. 0.5 Hz
For lamp load: max. 10 Hz
3 DI/DO 9
2 DI/DO 8
1 +24 V Auxiliary voltage:
Voltage: +24 V DC
Max. total load current of +24 V auxiliary voltage for
terminals X540 and X541 combined: 150 mA
1)
DI/DO: Bidirectional digital input/output; M: Electronics ground
Note
An open input is interpreted as "low".