4-8
OPERATION
CHAPTER 4
DN-109AT, DN-119AT, DN-129AT and DN-189AT display series
4.4.2.
Parameters for defining the alarm 1
In order to configure the alarm, parameters rL1., dL1 and SE1 must be accessed.
rL1
Alarm 1 configuration. After 2 seconds, the last value programmed is displayed and permitted
to be modified. Upon pressing ENTER the value is validated and the next parameter is accessed.
Each one of the two digits has a distinct function.
Left digit
Control bit
Right digit
Activation
0
ON if Value > Setpoint 1
0
Delay
1
ON if Value < Setpoint 1
1
Hysteresis
2
Always OFF
dL1
Delay time (in seconds) or hysteresis (2 less significant digits) value of alarm 1. After 2
seconds, the last value programmed is displayed and permitted to be modified. Upon pressing ENTER
the value is validated and the next parameter is accessed.
SE1
Set point value of alarm 1. After 2 seconds, the last value programmed is displayed and
permitted to be modified. Upon pressing ENTER the value is validated and the next parameter is
accessed.
