Additional system components
10.1 Terminal Module TM54F
SINAMICS S120 Combi
Manual, Edition 07/2012, 6SL3097-4AV00-0BP3
181
10.1.3.10 X531 fail-safe digital inputs + power supply with forced dormant error detection
Table 10- 10 Terminal block X531
Terminal Designation
1)
Technical specifications
1 L 2+ Voltage: 24 V DC
Max. total load current: 500 mA
2 DI 10
3 DI 11+
F-DI 5
4 DI 12
5 DI 13+
F-DI 6
Voltage: -3 V to +30 V DC
Typical current consumption: 3.2 mA at 24 V
Electrical isolation:
Reference potential, refer to terminals 6, 7, 8
All digital inputs are electrically isolated.
Level (incl. ripple)
High level: 15 V to 30 V
Low level: -3 V to +5 V
Input delay:
2)
For "0" → "1": 30 μs (100 Hz)
- For "1" to "0": 60 μs (100 Hz)
6 DI 11- F-DI 5 Reference potential to DI 11+
7 DI 13- F-DI 6 Reference potential to DI 13+
8 M1 Reference potential to DI 10, DI 12, L2+
An F-DI comprises a digital input and a 2nd digital input where, in addition, the cathode of the optocoupler is fed-out.
F-DI 5 = terminals 2, 3 and 6
F-DI 6 = terminals 4, 5 and 7
Max. connectable cross-section: 1.5 mm²
Type: Screw terminal 1 (see "Control cabinet installation and EMC/Connection system")
1) DI: Digital input, F-DI: Fail-safe digital input
2) Pure hardware delay
NOTICE
For the digital inputs DIx+ to function, the reference potential must be connected to input
DIx- in each case.
This is achieved by:
1) routing the ground reference of the digital inputs as well, or
2) a jumper between DIx and terminal M1.
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