Siemens SINAMICS S110 - X131 Fail-Safe Digital Inputs;Outputs

CU305 Control Units
7.3 Interface description
SINAMICS S110
148 Manual, 07/2015, 6SL3097-4AC10-0BP5
7.3.5.7
X131 fail-safe digital inputs/outputs
Table 7- 18 X131 digital input and fail-safe digital inputs/outputs
Terminal
Designation
1)
Technical data
1
DI 20
F-DI 2 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 … 30 V
Low level: -3 … 5 V
2
DI 21+
3
DI 21-
4 DI 22
5
DO 16+
F-DO 0 Maximum load current: 500 mA
Max. leakage current: 0.5 mA
Short-circuit protected
load types: resistive, capacitive, inductive
Switching frequency:
with inductive load: Max. 0.5 Hz
Maximum lamp load: 2 W
DO 16+: Switching to P potential
DO 16-: Switching to N potential
6 DO 16-
7 24 V1 Additional external power supply for DO 16+,
terminal X131/5.
See also Example of circuits for the F-DI/F-
DO... (Page 154)
8 M1 Reference potential for the fail-safe digital
inputs/outputs
Type: Spring-loaded terminal (Page 263)
Max. cross section that can be connected: 1.5 mm
2
1)
DI: digital input, DO: Digital output; F-DI: Fail-safe digital input; (F-DO) Fail-safe digital output
The maximum cable length that can be connected is 30 m.
An F-DI consists of two digital inputs. The cathode of the optocoupler is additionally
connected to one of these.
The F-DO comprises two digital outputs each connected with an external 24 V supply.
Note
The fail
-safe digital output (DO 16+, DO 16-) switches off retentively in the event of a short-
circuit.