5.3.3.4 Connecting a diagnostics display
Connections on the rear
Note
Cable length
The connection cable between the diagnostics display and the safety relay or interface module
must not exceed 2.5 m in length.
Each diagnostics display has two connections on the rear:
① System interface X2
② Functional ground
The rear is normally not accessible if the diagnostics display is installed. The connection cable
from the safety relay / interface module is connected to the system interface Χ2 ① there. The
diagnostics display also has to be grounded at the functional ground ②.
You will nd further information in Chapter "Grounding (Page 158)".
Note
Only the safety relay or interface module may be connected to the system interface X2 ① on the
rear of the diagnostics display.
Description of the hardware
5.3 Connecting / wiring
SIRIUS 3RK3 Modular Safety System
150 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
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