Siemens SIRIUS 3RK3 - Page 83

Terminal Meaning Explanation
IN1 ... IN8 Safety-related sensor inputs Terminal for safety sensors
Combinations for two-channel connection:
• IN1 with IN2
• IN3 with IN4
• IN5 with IN6
• IN7 with IN8
Q1.1, Q1.2 Safety-related relay output Isolated two-channel output for connecting actuators
Q2 Safety-related semiconduc‐
tor output
Two-channel output for connecting actuators
AS-i+, AS-i- AS‑i terminals Connection of the AS-i cable
L+ Power supply 24 V DC
M Ground Ground to 24 V DC
FE Functional ground Shielding, equipotential bonding
Interfaces of the 3RK3 Advanced central unit
Interface Meaning Explanation
X1 Device interface Connection of PC or programming device, interface mod‐
ule, diagnostics display
X2 System interface Interface for connecting expansion modules (e.g. I/O mod‐
ules)
X3 External memory module Slot for external memory module with parameterization
data
The memory module is sealable with the 3RK3 central unit
or the control cabinet.
Operator controls of the 3RK3 Advanced central unit
Element Meaning Explanation
RESET button
• Error acknowledg‐
ment
• Factory setting
• Application of code se‐
quences
• Con󹪝rm the acknowledgeable errors with this button
• Refer to Chapter "Restoring factory settings (Page 347)"
• Refer to Chapter "Teaching the code sequences
(Page 208)"
Displays of the 3RK3 Advanced central unit
Element Meaning
DEVICE Status
AS‑i AS‑i error
TEACH Status of the teaching of code sequences
SF Group error
Description of the hardware
5.1 Description of the individual modules
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 83