RaptorLinx-Ai-ST Controller / Controller Hardware /

LED Status Indicators


RaptorLinx-Ai-ST status is indicated by several LED’s. All LED’s with the exception of the Ethernet Link and Activity LEDs are multi-colored and context sensitive. The following sections indicate the various meanings of all LED indicators.


Indicator Item LED State Description
M8 Sensors & Solid GREEN Sensor Input is energized
Solid AMBER Module is booting up
Solid RED Aux I/O Pin 2 is energized (when configured as an Input)
Flashing RED Network Stop condition active
Flashing AMBER Power supply is less than 10V
Slow Blinking RED Profinet enabled discover function initiated from PLC
Module Status Solid RED Module is booting up or during Auto-Replacement procedure, module is attempting to retrieve data from neighbor module(s)
Blinking RED Module is starting task processes
Blinking GREEN Module is Ready
Flashing GREEN & Blinking RED Auto-replace procedure has been properly triggered
Flashing RED & Blinking GREEN Failsafe Mode
Flashing RED Auto Configure Mode is active
Blinking AMBER Performing firmware upgrade check
Solid AMBER Firmware upgrade in progress
Network Status Solid RED Starting Inter-module communications
Blinking RED Establishing inter-module connections
Blinking GREEN Inter-module communications established
Digital Inputs
Solid GREEN Sensor Input is energized
Solid AMBER Module is booting up
Flashing RED Network Stop condition active
Flashing AMBER Power supply is less than 10V
Slow Blinking RED Profinet enabled discover function initiated from PLC
Digital Output & Solid GREEN Output is Energized
Slow Flash RED Output Fault or Short Circuit
Motor OFF Motor is not running and no faults detected
Solid ON GREEN Motor is running
Solid ON RED If Motor is running – indicates current limit
If Motor is stopped – indicates motor is not connected properly or is overheated
Power supply is under 18V or above 30V
Slow Blink RED Motor is overloaded and the module is limiting current to reduce temperature
Slow Flash RED Motor short circuit detected between at least two of the phase windings or Motor Power supply is less than 10V


Indicator States


Indication Rate Visible Action
Slow Blink 1 Hz 500 msec. ON / 500 msec OFF
Fast Blink 2.5 Hz 200 msec. ON / 200 msec OFF
Slow Flash 2 Hz 250 msec. ON / 250 msec OFF
Fast Flash 10 Hz 50 msec. ON / 50 msec OFF
Single Flash 200 msec. ON / 1000 msec OFF
Double Flash 200 msec. OFF / 200 msec ON / 1000 msec OFF