Each signal input connector on the FD-11634 has an LED.

Refer to Open/Short Circuit Detection for information about troubleshooting open or shorted sensors.

Table 7. LED State/Status
LED State Connector Status
Off Excitation off
Red, solid Open sensor or shorted sensor with excitation enabled
Green, solid IEPE sensor connected with excitation enabled
Yellow, blinking/alternating User-defined status. Use MAX to write a state to any LED by expanding Devices and Interfaces » Network Devices » your FieldDAQ device » bank of connectors in your FieldDAQ device and configuring the LED settings on the Settings tab.
Note When you turn off the LEDs in MAX, the FieldDAQ device controls and sets the state of the LED. You cannot configure an LED while a task is running.