Expansion Module 8Di - Siemens Sirius 3RK3 System Manual

5.1.9

Expansion module 8DI

Properties
The 8DI expansion module supplements a central unit.
● It is suitable as an input module with non-safety-related sensor inputs, e.g. for:
– Displaying process statuses for operational switching.
– Detecting start buttons.
● Additional expansion modules can be connected to the expansion module 8DI.
● Parameterization is carried out via the central unit with MSS ES.
Inputs and outputs
The expansion module 8DI has the following inputs and outputs:
● 8 sensor inputs (non-safety-related)
Design of the expansion module 8-DI
Terminal designations of the expansion module 8-DI
Terminal
IN1 ... IN8
L+
M
Modular Safety System 3RK3
System Manual, 10/2008, 926 2530-02 DS 02
Front view
Meaning
Sensor inputs
Power supply
Ground
Description of the hardware
5.1 Description of the individual modules
No. Meaning
(1) Removable terminal block D
(2) Removable terminal block C
(3) Interface X2
(4) Inscription label
(5) Removable terminal block A
(6) Removable terminal block B
(7) Display LEDs
(8) Interface X1
Description
Connection for sensors
24 V DC
Ground to 24 V DC
55