Siemens 6SL3210-1SB11-0UA0 [163/318] X131 failsafe digital inputs outputs

Siemens 6SL3210-1SB11-0UA0 [163/318] X131 failsafe digital inputs outputs
CU305 Control Units
6.3 Interfaces
Manual
Manual, 01/2011, 6SL3097-4AC10-0BP2
163
6.3.4.4 X131 failsafe digital inputs/outputs
Table 6- 11 Terminal block X131
Terminal Designation
1)
Technical specifications
1 DI 20
2 DI 21+
3 DI 21-
4 DI 22
Input characteristics in accordance with IEC61131-2,
Type 1
Typical current consumption: 6 mA at 24 V DC
Electrical isolation: The reference potential is terminal
M1
Permissible level (incl. ripple)
High level: 15 V to 30 V
Low level: -3 V to +5 V
5 DO 16+
6 DO 16-
Maximum load current: 500 mA
Max. leakage current: 0.5 mA
Short-circuit protected
load types: resistive, capacitive, inductive
Switching frequency:
For inductive load: Max. 0.5 Hz
Maximum lamp load: 2 W
DO 16+: Current sourcing
DO 16-: Sink output
7 24 V1 Additional external power supply for DO 16+, terminal
X131/5.
See also "Example of circuits for the F-DI/F-DO..." in the
chapter titled "Example connections".
8 M1 Reference potential for the failsafe digital inputs/
outputs
An F-DI consists of one digital input and a second digital input where the cathode of the optocoupler is also fed out.
The F-DO consists of two digital outputs connected to an external 24 V power supply.
F-DI 2 = terminals 1, 2, and 3 (DI 20, DI 21+, and DI 21-)
F-DO 0 = terminals 5 and 6 (DO 16+ and DO 16-)
Max. connectable cross-section: 1.5 mm
2
Type: Spring-loaded terminal 1 (see Appendix A)
1) DI: digital input, DO: Digital output; F-DI: Failsafe digital input; (F-DO) Failsafe digital output
Note
The failsafe digital output (DO 16+, DO 16-) switches off retentively in the event of a short-
circuit.

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