Siemens SIRIUS 3RK3 - Description of the Hardware; Description of the Individual Modules; General Information on 3 RK3 Central Units; Operating Elements on the 3 RK3 Central Unit

Description of the hardware
5
5.1 Description of the individual modules
5.1.1 General information on 3RK3 central units
The application for 3RK3 central units are safety-related control functions. A 3RK3 central unit
is required for each system con󹪝guration. The 3RK3 central unit contains the con󹪝guring data
in an external memory module, and it handles all control tasks.
5.1.2 Operating elements on the 3RK3 central unit
7,1,1,1,1$6L
7,1,1,1,1$6L
444/0)(
;;
'(9,&(
6)
5(6(7
,1
066
$6L
7($&+
24V
DC
,1,1,14
,1,1,1,14
3RK31..-1A.10

① RESET button
Figure 5-1 Operator controls
RESET button
The 3RK3 central units have a RESET button on the front with the following functions:
• Acknowledging messages
• Restoring the basic factory settings
• Transfer of the code tables for central units with AS-i interface
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 75