Additional system components
7.5 Terminal Module TM31
SINAMICS DCM DC Converter
246
Operating Instructions, 12/2018, A5E34763375A
7.5.3.9
X541 bidirectional digital inputs/outputs
Table 7- 40 Terminals for bidirectional digital inputs/outputs
Connector Terminal
Designation
1)
Technical specifications
6
M
As input:
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
μ
s
For "1"
→
"0" typ. 100
μ
s
As output:
Voltage: 24 V DC
Electrical isolation: no
Reference potential: M
Output voltage
"1" signal, with load: > X524.+ -2 V
Output current
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
Output delay
For "0"
→
"1": typ. 150
μ
s / max. 500
μ
s (ohmic load)
For "1"
→
"0": typ. 50 µs (ohmic load)
Switching frequency
For ohmic load: Max. 100 Hz
For inductive load: Max. 0.5 Hz
For lamp load: max. 10 Hz
Lamp load: max. 5 W
5
DI/DO 11
4
DI/DO 10
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".