Siemens SIRIUS 3RK3 Equipment Manual page 222

Operation
6.5 Connecting to the AS-i master via AS-Interface
Terminal designation in Safety ES
Terminal designation BMK.OUT
SLOT3_ASI#xx-F-Qc
xx: AS-i address
c: Number of the output (1 ... 4)
Example
The MSS 3RK3 monitors the safety-related AS‑i input slave "EMERGENCY STOP" and sets and
resets the safety-related AS‑i output, which switches the motor off.
1 2
8
①
CPU/PLC
②
AS-i power section
③
Safety-related AS‑i input slave (AS-i address #01)
④
Safety-related AS‑i output (responds to AS-i address #02) with motor (4a) connected to Q1
⑤
MSS 3RK3 Advanced sets and resets the AS‑i output at address #02
⑥
Data exchange between MSS 3RK3 Advanced and the safety-related AS-i output
⑦
Data exchange between safety-related AS‑i input slave and MSS 3RK3 Advanced
⑧
AS‑i master
Figure 6-27 Setting/resetting of safety-related AS-i output
In this case, the input and output terminals of the logic diagram in Safety ES have the following
designations:
3
Figure 6-28
222
3 4
5
Setting/resetting of safety-related AS-i output in the logic diagram
Explanation
Sensor signal from MSS 3RK3 to AS‑i master that can be
evaluated by an AS-i output.
4a
6
7
5 4
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
5
SIRIUS 3RK3 Modular Safety System