Pixsys ATR227 Series - Page 25

User manual - ATR227 - 25
Band Alarm (b . aL. selection)
1
Alarm Spv
O O O
Hysteresis
parameter
 > 0
Time
Alarm
output
Alarm Spv
Band alarm hysteresis value greater
than “0” (Par.29 A.1.HY. > 0).*
2
Alarm Spv
O O
On On On
Hysteresis
parameter
 < 0
Hysteresis
parameter
Time
Alarm
output
Alarm Spv
Comand Spv
Band alarm hysteresis value less than “0”
(Par.29 A.1.HY. < 0).*
* The example refers to alarm 1; the function can also be enabled for alarm 2.
Upper Deviation Alarm (H.d.aL. selection)
1
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.29 A.1.HY. > 0).**
2
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.29 A.1.HY. > 0).**