24
- ATR227 -
User manual
10 Alarm Intervention Modes
Absolute Alarm or Threshold Alarm (
a. AL.
selection)
1
Alarm Spv
Pv
Off
On
On
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Absolute alarm with controller in
heating functioning (Par. 7
Act.t.
selected
Heat
) and hysteresis value greater than “0”
(Par.29
A.1.HY.
> 0).*
2
Alarm Spv
Off
On
On
Off
Hysteresis
parameter
< 0
Time
Alarm
output
Absolute alarm with controller in heating
functioning
(Par.7
Act.t.
selected
Heat
) and hysteresis
value less than “0” (Par.29
A.1.HY.
< 0).*
3
Off
On
On
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Absolute alarm with controller in cooling
functioning
(Par.7
Act.t.
selected
ooL
) and hysteresis
greater than “0” (Par.29
A.1.HY.
> 0).*
4
Time
Off
Off
On
On
Alarm Spv
Pv
Hysteresis
parameter
< 0
Alarm
output
Absolute alarm with controller in cooling
functioning
(Par.7
Act.t.
selected
ooL
) and hysteresis
value less than “0”(Par.29
A.1.HY.
< 0).*
Summary of Contents for AT R 227-10ABC
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