905U-L Wireless I/O Installation Manual
905U-L Wireless I/O
Page 10 of 40
Version 1.9
The front panel contains the following components:
The triangle on the rotary switch indicates the current position, for example:
Position 0
Position 1
NOTE
: To avoid damaging the rotary switch, use a screwdriver to change the position.
The rotary switch controls the setpoint levels on the Analog and Thermocouple inputs.
The LEDs on the front panel indicate the unit status:
LED Status
Indicates
None
No power supply.
OK LED Green
Current status of the unit OK.
OK LED Red
Fault condition detected in unit.
TX Led Flashes
Transmitting Message.
PG LED on
Configuration Cable Connected.
Input LED ON
Input LEDS (i.e. D1, D2, SP, AZ.) light when the corresponding input is active.
D1
Digital Input 1 is active (Low).
D2
Digital Input 2 is active.
SP
Analog Setpoint is active.
AZ
Analog Input is zero mA
All LEDs medium flash
Medium speed flash (1.6HZ) indicates the module is halfway through the
configuration process. Medium flash also happens when you set the rotary switch
to position 0 when powering on the unit.
SMA antenna connector
at top of unit
Rotary switch for set-point
settings
RS232 configuration
port