Instruction manual

Instruction manual αlpha DO 2000
30
7 RELAY MODES
You can control devices connected to Relay A, Relay B or wash relay via the front panel of the
transmitter. In Automatic mode, the transmitter’s set point values activate the relays. In
Manual mode, you can manually turn “on” and “off” the control devices connected to the relays.
7.1 View relay set points
To view relay set points, the relay mode must be set to automatic (standard mode after switch-
on, relay mode LED “Auto” lights).
While in Measurement mode, press the REL key.
%
SP1
10.0
The display shows the relay set point value for Relay A and LED “A”
lights. (The mode of the relay set point will be with respect to the
measurement mode before REL key is pressed).
%
Sp2
90.0
After two seconds the display shows the set point value for Relay B
and LED “B” lights).
After two seconds the display shows the status of the Wash relay
and LED “W” lights. If Wash relay is “off” the display shows “WASH
OFF”. If Wash relay is “on” the wash interval time and wash duration
is displayed.
After an additional two seconds the transmitter will return to
Measurement mode.