Pixsys DRR245-21-ABC-T, Manual

Page: 103 / 109

41
Upper Deviation Alarm (selection )
On On
Off Off
Pv
Time
Alarm
output
Comand Spv
> 0
Hysteresis
parameter
Alarm Spv
Upper deviation alarm value of
alarm setpoint greater than “0”
and hysteresis value greater
than “0” (Par.28
> 0).
N.B.:
a) The example refers to alarm 1;
the function can also be enabled for
alarm 2
b) With hysteresis less than “0”
(
< 0) the broken line moves
above the alarm setpoint.
On On
Time
Off Off
Alarm
output
Pv
Comand Spv
> 0
Hysteresis
parameter
Alarm Spv
Upper deviation alarm value of
alarm setpoint less than “0”
and hysteresis value greater
than “0” (Par.28
> 0).
N.B.:
a) The example refers to alarm 1;
the function can also be enabled for
alarm 2
b) With hysteresis less than “0”
(
< 0) the broken line moves
above the alarm setpoint.