Siemens SIRIUS 3RK3 - Page 93

Terminal Meaning Description
F‑IN1 ... F‑IN4 Safety-related sensor in‐
puts
Terminal for safety sensors
Combinations for two-channel connection:
• F-IN1 with F-IN2
• F-IN3 with F-IN4
IN5 ... IN8 Standard inputs Connection for sensors (non-safety-related)
Q1.1, Q1.2 Safety-related relay output Isolated two-channel output for connecting actuators
Q2 Safety-related semicon‐
ductor 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 ASIsafe extended central unit
Interface Meaning Description
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 ASIsafe extended central unit
Element Meaning Description
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 ASIsafe extended central unit
Element Meaning
DEVICE Device status
AS‑i AS‑i error
TEACH Status of the teaching of code sequences
SF Group error
F‑IN1 ... F‑IN4 Status of the sensor inputs
Description of the hardware
5.1 Description of the individual modules
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 93