Pixsys ATR224, User Manual, Page: 30 / 37

30 - ATR224 - DRR224 - User manual
12 Alarm Intervention Modes
12.a Absolute or threshold alarm active over (par. 123
AL.1.F.
=
Ab.uP.A.
)
Time
Hysteresis parameter

> 0
Alarm output
OFF OFF
ON ON
Alarm Spv
Pv
Absolute alarm active over.
Hysteresis value greater than “0” (Par. 128
a.1.HY
> 0).
Time
Hysteresis parameter
 < 0
Alarm output
OFF OFF
ON ON
Alarm Spv
Pv
Absolute alarm active over.
Hysteresis value lower than “0” (Par. 128
a.1.HY
< 0).
12.b Absolute or threshold alarm active below (par. 123
AL.1.F.
=
Ab.uP.A.
)
Time
Hysteresis parameter

> 0
Alarm output
OFF OFF
ON ON
Alarm Spv
Pv
Absolute alarm active below.
Hysteresis value greater than “0” (Par. 128
a.1.HY
> 0).
Time
Hysteresis parameter

< 0
Alarm output
OFF OFF
ON ON
Alarm Spv
Pv
Absolute alarm active below.
Hysteresis value lower than “0” (Par. 128
a.1.HY
< 0).
12.c Absolute or threshold alarm referred to command setpoint active over (par. 123
AL.1.F.
=
Ab.c.u.A.
)
Time
Hysteresis parameter

> 0
Command Spv
Alarm output
OFF OFF
ON
Alarm Spv
Absolute alarm referred to command setpoint active over. Hysteresis
value greater than “0” (Par. 128
a.1.HY
> 0).
12.d
Absolute or threshold alarm referred to command setpoint active below (par. 123
AL.1.F.
=
Ab.c.L.A.
)
Time
Hysteresis parameter
 > 0
Command Spv
Alarm output
OFF OFF
ON
Alarm Spv
Absolute alarm referred to command setpoint active below.
Hysteresis value greater than “0” (Par. 128
a.1.HY
> 0).