User's Manual

905U-L Wireless I/O Installation Manual
905U-L Wireless I/O Page 25 of 40
Version 1.9
Status outputs
The unit contains the following status outputs:
 System OK;
 Setpoint Output; and
 Communications Failure.
Status outputs are FET output to common rated at 30VDC 500 mA.
Connect the output circuit to the appropriate Status Output terminal. Each status output
circuit is associated with an LED indicator that lights lit when the digital output is active.
The following table details the status output behavior:
Status output
LED
LED
status
Description
System OK active (both modules)
OK
Green
No fault detected
System OK inactive
OK
Red
 Internal fault detected.
 Supply voltage Low
 Analog Loop supply overloaded
Setpoint Output (905U-L-T)
SP
Green
Local setpoint attached to 4-20mA analog
input.
Communications Failure (905U-L-R)
CF
Red
Watchdog alarms active on digital outputs
or analog outputs.