Diagnostics of the module’s status from the LEDs
(Original Document)
At a Glance
LEDs on the card are used to display the state of the module and the Profibus DP network. The signaling complies with Premium and Profibus DP standards.
Illustration
The diagnostic LEDs are as follows:
Diagnostics
Depending on the state of the LEDs, the diagnostics are as follows:
LEDs
On
Flashing
Off
RUN (green)
TSX PBY 100 module ready
- self-diagnostic tests successful
- Profibus DP ready
-
Module has not been initialized (awaiting configuration)
ERR (red)
Bus fault or
Configuration fault or
TSX PBY 100 module fault
Module awaiting configuration or
Currently loading (if RUN is off) or
Communication fault with the PLC (if RUN is on)
No fault indicated
I/O (red)
Fault on one or several of the slave peripherals
-
No fault indicated (all slaves are active)
CHO (yellow)
Input/output
data exchange
-
No input/output data exchange