Diagnostics and Troubleshooting
PLX30 Series
User Manual
Ethernet and Serial Gateways
Page 34 of 200
ProSoft Technology, Inc.
September 19, 2012
3.1.1 Main Gateway LEDs
LED
State
Description
PWR
(Power)
Off
Power is not connected to the power terminals or source is
insufficient to properly power the gateway (208 mA at 24 Vdc is
required).
Solid Green
Power is connected to the power terminals.
FLT
(Fault)
Off
Normal operation.
Solid Red
A critical error has occurred. Program executable has failed or
has been user-terminated and is no longer running. Press the
Reset
button or cycle power to clear the error.
CFG
(Config-
uration)
Off
Normal operation.
Solid Amber
The unit is in configuration mode. Either a configuration error
exists, or the configuration file is currently being downloaded or
read. After power-up, the configuration is read, and the unit
implements the configuration values and initializes the hardware.
This occurs during power cycle or after the
Reset
button is
pressed.
ERR
(Error)
Off
Normal operation.
Flashing Amber
An error condition has been detected and is occurring on one of
the application ports. Check configuration and troubleshoot for
communication errors.
Solid Amber
This error flag is cleared at the start of each command attempt
(Master/Client) or on each receipt of data (slave/adapter/server);
so, if this condition exists, it indicates a large number of errors are
occurring in the application (due to bad configuration) or on one or
more ports (network communication failures).
NS
(Network
Status)
Off
No power or no IP address
Solid Red
Duplicate IP address
Solid Green
Connected
Flashing Red
Connection timeout
Flashing Green
IP address obtained; no established connections
Alternating Red
and Green Flash
Self-test
MS
(Module
Status)
Off
No power
Solid Red
Major fault
Solid Green
Device operational
Flashing Red
Minor fault
Flashing Green
Standby
Alternating Red
and Green Flash
Self-test
3.1.2 Ethernet Port LEDs
LED
State
Description
LINK/ACT
Off
No physical network connection is detected. No Ethernet
communication is possible. Check wiring and cables.
Solid Green
Physical network connection detected. This LED must be
ON solid for Ethernet communication to be possible
100 Mbit
Off
No activity on the port.
Flashing Amber
The Ethernet port is actively transmitting or receiving data.
