2231V104-UK 7
Functions
The front-operated push buttons are used for programming of the different
standard functions.
Single or dual trip amplifier can be selected. Dual trip amplifier with relay 2 as
pre-setpoint, single or dual trip amplifier with hysteresis in each relay, which is
set as setlow or sethigh and dual trip amplifier with hold on relay 2 until relay 1
is activated.
Make or break function can be selected by an internal jumper.
Programming
The front keys are used for selection of function and for setting all other
parameters like setpoint, reset, active relay for increasing or decreasing signal,
delay, and input signal.
The arrow keys are used as hotkeys if a quick change of setpoint is required.
If the setpoint is changed, the resetpoint follows, so the selected hysteresis is
conserved. A password can prevent access for changing parameters.
Display
During normal operation the 3-digit display shows the input signal in %. All
programmed parameters can be shown by using the front-operated push buttons
(see the routing diagram).
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