User`s manual

Western Reserve Controls, Inc. 1782-JDO User’s Manual
PRELIMINARY
15
Table 4-1 Module Status LED (labeled MS)
LED State Module Status Meaning
OFF No Power There is no power through DeviceNet.
Green Device Operational JDO is operating normally.
Flashing Green Device in Standby
JDO needs commissioning (e.g.
attempting Autobaud).
Flashing Red Minor Fault Recoverable fault.
Red Unrecoverable Fault JDO may need replaced.
Flashing Red/Green Device Self-Testing JDO is in self-test mode.
Table 4-2 Network Status LED (labeled NS)
LED State Network Status Meaning
OFF No Power / Not on-line
JDO has no power or has not completed
the Dup_MAC_ID test.
Flashing Green On-line, not connected
JDO is on-line but is not allocated to a
Master.
Green On-line JDO is operating normally.
Flashing Red Connection time-out One or more I/O connections are timed out.
Red Critical link failure
JDO has detected an error that makes it
incapable of communicating on the link.
(Bus off or Duplicate MAC ID).
4.2.2 Serial Port LED’s
The JDO also has two (2) RS-485 activity LED’s: one for transmit (TX) and one for receive
(RX). Each of these will illuminate when there is data communications active on the
respective data lines.