Siemens SIRIUS 3RK3 Equipment Manual page 83

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