Pixsys ATR 121 - Alarm Referring to Setpoint Command; Band Alarm Functionality

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11.2 Absolute Alarm or Threshold Alarm Referring to
Setpoint Command (
selection
)
On
Off
Off
Comand Spv
> 0
Hysteresis
parameter
Time
Alarm
output
A
larm Spv
Absolute alarm refers to
the command set, with the
controller in heating
functioning
(Par.11
selected
) and hysteresis
(absolute value
)
The command set can be
changed by pressing the
arrow keys on front panel
or using serial port RS485
commands.
11.3 Band Alarm ( selection)
On OnOn
Off OffOff
Pv
Time
Alarm
output
Comand Spv
> 0
Hysteresis
parameter
Alarm Spv
Alarm Spv
Band alarm with hysteresis
N.B.: hysteresis value can’t
be less than “0”