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User manual - ATR 142
57
Absolute Alarm or Threshold Alarm Referring to Setpoint
Command (
a.c.aL.
selection)
Off
On
Hysteresis
parameter
> 0
Off
Alarm Spv
Command Spv
Time
Alarm output
Absolute alarm refers to the
command set, with the con-
troller in heating functio-
ning (Par.11
act.t.
selected
Heat
) and hysteresis value
greater than “0” (Par.28
a.1.Hy.
> 0).
The command set can be changed by pressing the arrow keys
on front panel or using serial port RS485 commands.
NB
: The example refers to alarm 1; the function can also be
enabled for alarm 2 on model that include it.
Band Alarm (
b. aL.
selection)
Pv
Off
Off
Off
On
On
On
Hysteresis
parameter
> 0
Alarm Spv
Alarm Spv
Command Spv
Time
Alarm output
Band alarm hysteresis value
greater than “0” (Par.28
a.1.Hy.
> 0).
NB
: The example refers to
alarm 1; the function can
also be enabled for alarm 2
on model that include it.
Summary of Contents for ATR 142 Series
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