Expansion Module 2/4F-Di 2F-Do - Siemens Sirius 3RK3 System Manual

Displays of the expansion module 2/4F-DI 1/2F-RO
Element
SF / IN1
IN2, IN3, IN4
Q1, Q2
Connecting inputs and outputs
You can find more information on connecting inputs and outputs in the section Connecting
safety-related inputs and outputs (Page 69).
5.1.6

Expansion module 2/4F-DI 2F-DO

Properties
The expansion module 2/4F-DI 2F-DO supplements the central unit. It can be used up to
Category 4 in accordance with EN 954-1, SIL 3 in accordance with IEC 61508, and PL e in
accordance with EN ISO 13849-1:2006.
● Additional expansion modules can be connected to the expansion module
2/4F-DI 2F-DO.
● Parameterization is carried out via the central unit with MSS ES.
Inputs and outputs
The expansion module 2/4F-DI 2F-DO has the following inputs and outputs:
● 4 safety-related, freely parameterizable sensor inputs
● 2 two-channel, safety-related, solid-state outputs.
Modular Safety System 3RK3
System Manual, 10/2008, 926 2530-02 DS 02
5.1 Description of the individual modules
Meaning
Group error / sensor input
Sensor inputs
Relay outputs
Description of the hardware
49