Technical data

CU230P-2 Control Units, Getting Started
A5E02484096, 05/2009
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Table 5 LED status display for communication over PROFIBUS DP
BF LED Explanation
OFF Cyclic data exchange (or PROFIBUS not used, p2030 = 0)
0.5 Hz - red Bus fault - configuration error
2 Hz - red Bus fault
- no data exchange
- baud rate search
- no connection
Table 6 LED status display for communication via RS485 (USS and Modbus RTU)
BF LED Explanation
OFF Receive process data
0.5 Hz - red Bus active - no process data
2 Hz - red No bus activity
Table 7 LED status display for communication over CANopen
BF LED Explanation
ON - red No bus
ON - green Bus state "Operational"
2.5 Hz - green Bus state "Pre-Operational" (flashing)
Single flash - green Bus state "Stopped"
Single flash - red Alarm - limit reached
Double flash - red Error event in control (Error Control Event)