Pixsys ATR226 - Absolute and Band Alarm Mode Illustrations

20 - ATR227 - User manual
3
Alarm Spv
Pv
On On
Hysteresis
parameter
$+< > 0
Time
Alarm
output
Absolute alarm with controller in cooling
functioning
(Par.7
$FWW selected &RR/ ) and hysteresis
greater than “0” (Par.29
$+< > 0).*
4
Time
O O
On On
Alarm Spv
Pv
Hysteresis
parameter
$+< < 0
Alarm
output
Absolute alarm with controller in cooling
functioning
(Par.7
$FWW selected &RR/ ) and hysteresis
value
less than “0”(Par.29
$+< < 0).*
Band alarm (
ED/ selection)
1
Pv
Alarm Spv
O O
On On On
Hysteresis
parameter
$+< > 0
Time
Alarm
output
p
Band alarm hysteresis value greater
than “0” (Par.29
$+< > 0).*
2
Pv
Alarm Spv
O O O
On On On
Hysteresis
parameter
$+< < 0
Hysteresis
parameter
$+< < 0
Time
Alarm
output
p
Comand Spv
Band alarm hysteresis value less than “0”
(Par.29
$+< < 0).*
* The example refers to alarm 1; the function can also be enabled for alarm 2