Pixsys ATR244 - Upper Deviation Alarm; Lower Deviation Alarm

64 - ATR244 - User manual
13.d Upper deviation alarm (par. 123 A L .1 . F. = up.dev. )
Pv
Comand Spv
Alarm Spv
O O
On On
Hysteresis
parameter
 > 0
Time
Alarm
output
Alarm Spv
Comand Spv
Upper deviation alarm value of alarm
setpoint greater than “0” and hysteresis
value greater than “0” (Par.128
A .1 . H Y . > 0).
With hysteresis value less than “0” (
A .1 . H Y . < 0) the dotted line moves
under the alarm setpoint.
Pv
Comand Spv
Alarm Spv
O O
On On
Hysteresis
parameter
 > 0
Time
Alarm
output
Comand Spv
Alarm Spv
Alarm Spv
Alarm Spv
Upper deviation alarm value of alarm
setpoint less than “0” and hysteresis
value greater than “0” (Par.128
A .1 . H Y . > 0).
With hysteresis value less than “0” (
A .1 . H Y . < 0) the dotted line moves
under the alarm setpoint.
13.e Lower deviation alarm (par. 123 A L .1 . F. = Lo.dev. )
Pv
Comand Spv
Alarm Spv
O O
On On
Hysteresis
parameter
 > 0
Time
Alarm
output
Alarm Spv
Lower deviation alarm value of alarm
setpoint greater than “0” and hysteresis
value greater than “0” (Par.128
A .1 . H Y . > 0).
With hysteresis value less than “0” (
A .1 . H Y . < 0) the dotted line moves
under the alarm setpoint.
Pv
Comand Spv
Alarm Spv
O O
On On
Hysteresis
parameter
 > 0
Time
Alarm
output
Comand Spv
Comand Spv
Comand Spv
Comand Spv
Alarm Spv
Alarm Spv
Lower deviation alarm value of alarm
setpoint less than “0” and hysteresis
value greater than “0” (Par.128
A .1 . H Y . > 0).
With hysteresis value less than “0” (
A .1 . H Y . < 0) the dotted line moves
under the alarm setpoint.