Internal circuit diagram
Figure 5-22 Diagnostics display internal circuit diagram
Terminal designations of the diagnostics display
Terminal Meaning Explanation
FE Functional ground Shielding, equipotential bonding
Interfaces of the diagnostics display
Interface Meaning Explanation
X1 Device interface Connection to the PC or programming device
X2 System interface Connection to the safety relay
Operator controls
Element Meaning
Keys Navigation in the operator control menu/error acknowledge‐
ment
Displays
Element Meaning
DEVICE Status
BF Bus error
SF Group error
Operating the diagnostics display
See Chapter "Diagnostics with diagnostics display (Page 328)".
Description of the hardware
5.1 Description of the individual modules
SIRIUS 3RK3 Modular Safety System
122 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
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