LED Indicators
Protege DIN rail modules feature comprehensive diagnostic indicators that can aid the installer in diagnosing faults
and conditions. In some cases an indicator may have multiple meanings depending on the status indicator display
at the time.
Power Indicator
The power indicator is lit when the correct input voltage is applied to the controller.
Note that this indicator may take several seconds to light up after power has been applied.
State Description
On (green) Correct input voltage applied
Off Incorrect input voltage applied
Status Indicator
The status indicator displays the status of the controller.
State Description
Flashing (green) at 1 second intervals Controller is operating normally
Fault Indicator
The fault indicator is lit any time the controller is operating in a non-standard mode. During normal operation the
fault indicator is off.
State Description
Off Controller is operating normally
On (red) Controller is operating in a non-standard mode
Ethernet Link Indicator
The ethernet indicator shows the status of the ethernet connection.
State Description
On (green) Valid link with a hub, switch or direct connection to a personal computer detected
Flashing (green) Data is being received or transmitted
Off Ethernet cable not connected, no link detected
PRT-CTRL-DIN | Protege GX DIN Rail Integrated System Controller | Installation Manual 37
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