G&L MMC-A2, Hardware Manual

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MMC DeviceNet
TM
Option Module
132 MMC Hardware Manual G & L Motion Control Inc.
7.3 LEDs
The two configuration port LEDs and the two DeviceNet port LEDs are
described below.
DeviceNet Port
LED Color State Definition
Network status
None OFF Off-line
Green ON On-line and connected to at
least one node
Flashing On-line but connection nodes
not established
Red ON Unrecoverable Fault (dupli-
cate MAC ID check failed,
critical bus fault etc.)
Flashing I/O connections in timed-out
state or other Recoverable
Fault
Scanner
status
Green OFF No power or else reset asserted
ON Scanner OK and active
Flashing Scanner OK but not active
Red ON Hardware or software error
Flashing Recoverable configuration
error (invalid data down-
loaded)
Orange ON Configuration (download)
mode
Configuration
Port IN Red Flickering Data is being passed to the
module
OFF No data to the module
OUT Red Flickering Data is being passed from the
module
OFF No data from the module