Connection possibility
Single-channel actuator wiring
① Indicator light
Q1 Non-safety-related semiconductor output
Note
Protective circuit
A suitable protective circuit is needed for inductive loads. In this way, electromagnetic
interference can be suppressed and service life increased. You will nd further information in
Chapter "Requirements for actuators (Page 188)."
5.3.3 Connecting the central unit, expansion module, or DP interface
5.3.3.1 Connection data for terminal blocks
The following connection data apply dependent on the removable terminal block:
Specication and value
in the case of removable termi‐
nal blocks with screw-type ter‐
minals
Specication and value
in the case of removable termi‐
nal blocks with spring-loaded
terminals
Screwdriver Cross-tip screwdriver
Size: PZ 2 (⌀ 5 … 6 mm)
Torque: 0.8 … 1.2 Nm
Screwdriver
Size: 0 or 1 (width to 3 mm) for
raising the terminal springs
Rigid cable
Maximum number of cables x ca‐
ble cross-section:
1 x 0.5 … 4.0 mm
2
or
2 x 0.5 … 2.5 mm
2
Maximum number of cables x ca‐
ble cross-section:
2 x 0.25 … 1.5 mm
2
Description of the hardware
5.3 Connecting / wiring
SIRIUS 3RK3 Modular Safety System
144 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
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