SEW-Eurodrive DFE24B EtherCAT - Page 83

Manual – Fieldbus Interface DFE24B EtherCAT®
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9
Diagnostic procedures
Error Diagnostics
Step 3: Response of the ERR LED?
OFF Case 1: RUN LED lights up green (slave is in OPERATIONAL state).
↓
EtherCAT
®
communication of the DFE24B option is in the operating state.
Case 2:
• RUN LED flashes green (slave is in PRE-OPERATIONAL state).
• RUN LED lights up green once (slave is in SAFE-OPERATIONAL state).
↓
Startup the bus in the master and activate the state OPERATIONAL in the slave.
↓
Start process data communication.
Flickering Prerequisite:
• RUN LED flashes green (slave is in PRE-OPERATIONAL state)
• RUN LED lights up green once (slave is in SAFE-OPERATIONAL state).
↓
A boot error was detected. Boot option DFE24B.
↓
If the ERR LED continues to flicker, option DFE24B is defective.
Flashes
red twice
Case 1: RUN LED lights up green (slave is in OPERATIONAL state).
↓
Fieldbus timeout, activate process output data.
Case 2:
• RUN LED flashes green (slave is in PRE-OPERATIONAL state)
• RUN LED lights up green once (slave is in SAFE-OPERATIONAL state).
↓
Watchdog timeout → Start bus in the master and switch slave to OPERATIONAL
state.
↓
Start process data communication.
Lights up
red once
Prerequisite:
• RUN LED flashes green (slave is in PRE-OPERATIONAL state)
• RUN LED lights up green once (slave is in SAFE-OPERATIONAL state).
↓
An unprompted state change has occurred. Repair the configuration error and
start the bus in the master again.
↓
Switch the slave to OPERATIONAL state.
↓
Start the process data communication.