Western Reserve Controls
W5-JEM1 Wiring & Installation
Revision 1.0
4
PUB005-20190314-A01
1.5
LED Indicators
Table 1. Overview of LED Indicators
LED Name
Description
RX
Indicates when data is being received
on the serial line
TX
Indicates when data us being transmitted
by the W5-JEM1 onto the serial line
MS
Indicates if the module is okay or if there
is an error. See Table 2 below.
NS
Indicates the network status.
See Table 3 below.
Table 2. Module Status LED (labeled MS)
LED State
Module Status
Meaning
Off
No Power
Device is not powered.
Green
Device Operational
W5-JEM1 is operating normally.
Flashing Red
Minor Fault
Recoverable fault.
Solid Red
Critical Fault
Device will automatically reboot to clear a
critical fault after 30 seconds.
Table 3. EtherNet/IP Network Status LED (labeled NS)
LED State
Network Status
Meaning
OFF
No Power
W5-JEM1 has no power
Flashing Green
Online, not connected
W5-JEM1 is online but is not connected to a
PLC.
Green
Online, connected
W5-JEM1 is operating normally and is
connected to a PLC
Flashing Red
Connection time-out
One or more connections are timed out.
