Oldham MX 32 - Page 25

4 – Operating instructions
21
Defining the type of sensor
■ To proceed directly to the next step,
press (MENU/ENTER).
■ Press (-) or (+) to define the type of
sensor connected.
- BRIDGE: sensor (Wheatstone bridge
output).
- EHP: explosive sensor 4-20 mA.
- FIRE: fire detector (ionic, optic, etc.).
- O2: oxygen detector 4-20 mA.
- OTH: another type of sensor (flame,
etc.).
- MAN: see next step.
■ Confirm by pressing (MENU/ENTER).
Defining the calibration mode for the
sensor
■ To proceed directly to the next step,
press (MENU/ENTER).
■ The MAN indicator blinks.
■ Press (-) or (+) to define the
operating mode for the yellow sensor LED:
- MAN: no visualization (blinking yellow
LED) by the MX 32 controller, of the
sensor being calibrated (sensor
maintenance mode).
- OTH: visualization (blinking yellow
LED) on the controller when the sensor
is being calibrated.
■ Confirm by pressing (MENU/ENTER).
Defining the time delay after calibration
mode
(displaying a time)
■ Press (-) or (+) to define the time
delay (in minutes). Confirm the 4 digits by
pressing (MENU/ENTER)
Saving programming
■ Press:
- (+) to select Yes. The programming
completed will be used.
- (-) to select No. The changes will be
abandoned and the old programming
will be saved.
■ Confirm by pressing (MENU/ENTER).