Siemens SIRIUS 3RK3 - Page 230

Example 1
The MSS 3RK3 Advanced monitors the AS-i EMERGENCY STOP, a safety-related AS-i input slave.
The safe data tra󹪟c can be fed into the logic of the MSS 3RK3 Advanced through input cells and
processed. A motor is shut down safely through a safety-related output of an expansion module.
1
4
2
5
3
4a
① CPU/PLC
② AS-i power section
③ Safety-related AS-i input slave (AS‑i address #02)
④ MSS 3RK3 Advanced with motor (4a) connected to Q2
⑤ AS‑i master
Figure 6-34 Evaluation of a safety-related AS‑i input slave
In this case, the input and output terminals of the logic diagram in Safety ES have the following
designations:
$6,B4


$6,B,1
6WDUW
,1
,1
6/27B4

5 3
4 4a
3 5
Figure 6-35 Evaluation of the safety-related AS‑i input slave in the logic diagram
Operation
6.5 Connecting to the AS-i master via AS-Interface
SIRIUS 3RK3 Modular Safety System
230 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006