SEW-Eurodrive MFE Series - Page 114

14
Service
Diagnostic procedures
Manual – EtherCAT
®
Interfaces, Field Distributors
114
Step 3: What is the "ERR" LED doing?
"ERR"
LED =
OFF
Case 1: "RUN" LED lights up green (slave is in OPERATIONAL status).
↓
EtherCAT
®
interface communication is in operational status.
Case 2:
• "RUN" LED flashes green (slave is in PRE-OPERATIONAL status).
• "RUN" LED lights up green 1× (slave is in SAFE-OPERATIONAL
status).
↓
Startup the bus in the master and activate the state OPERATIONAL in
the slave.
↓
Start process data communication.
"ERR"
LED flick-
ers
Prerequisite:
• "RUN" LED flashes green (slave is in PRE-OPERATIONAL status).
• "RUN" LED lights up green 1× (slave is in SAFE-OPERATIONAL
status).
↓
A boot error was detected. Boot up the EtherCAT
®
interface.
↓
If the "ERR" LED continues to flicker, the EtherCAT
®
interface is defect-
ive.
"ERR"
LED
flashes
red 2×
Case 1: "RUN" LED lights up green (slave is in OPERATIONAL status).
↓
Fieldbus timeout, activate process output data.
Case 2:
• "RUN" LED flashes green (slave is in PRE-OPERATIONAL status).
• "RUN" LED lights up green 1x (slave is in SAFE-OPERATIONAL
status).
↓
Watchdog timeout → Start bus in the master and switch slave to OPER-
ATIONAL state.
↓
Start process data communication.
25809148/EN – 01/2019