Additional system components
7.5 Terminal Module TM31
SINAMICS DCM DC Converter
246 Operating Instructions, 12/2018, A5E34763375A
X541 bidirectional digital inputs/outputs
Table 7- 40 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".