
User manual - ATR224 - DRR224 - 25
GROUP G -
AL. 1
- Alarm 1
123
AL.1.f.
Alarm 1 Function
Alarm 1 selection.
diSab.
Disabled (
Default
)
Ab.up.A.
Absolute Upper Activation. Absolute referred to the process, active over
Ab.Lo.a.
Absolute Lower Activation. Absolute referred to the process, active under
bAnd
Band alarm (command setpoint ± alarm setpoint)
up.dev.
Upper Deviation alarm
Lo.dev.
Lower Deviation alarm
126
A.I.5.o.
Alarm 1 State Output
Alarm 1 output contact and intervention type.
n.o. St.
(N.O. Start) Normally open, active at start (
Default
)
n.c. St.
(N.C. Start) Normally closed, active at start
n.o. tH.
(N.O. Threshold) Normally open, active on reaching alarm
n.c. tH.
(N.C. Threshold) Normally closed, active on reaching alarm
n.o.tH.V.
(N.O. Threshold Variation) disabled after changing control setpoint
n.c.tH.V.
(N.C. Threshold Variation) disabled after changing control setpoint
127
rEs.
Reserved
Reserved parameter.
128
a.1.Hy.
Alarm 1 Hysteresis
Alarm 1 hysteresis
-9999..+9999 [digit
] (degrees for temp. sensors).
Default
0.5.
129
A.1.L.L.
Alarm 1 Lower Limit
Lower limit selectable for the alarm 1 setpoint.
-9999..+30000 [digit
] (degrees for temp. sensors).
Default
0.
130
A.1.u.L.
Alarm 1 Upper Limit
Upper limit selectable for the alarm 1 setpoint
-9999..+30000 [digit
] (degrees for temp. sensors).
Default
1750.
131
a.1.re.
Alarm 1 Reset
Alarm 1 contact reset type (always automatic if
AL.1.F.
=
c. Aux
).
A. rEs.
Automatic reset (
Default
)
M. rEs.
Manual reset (manual reset by keyboard or by digital input)
M.rEs.S.
Stored manual reset (keeps the output status also after a power failure)
A. rEs.t.
Automatic reset with timed activation. The alarm remains active for the time set on the
parameter 134
a.1.de.
, even if the conditions generating it are missing. To be able to act
again, the alarm conditions must disappear.
132
A.1.S.e.
Alarm 1 State Error
Alarm 1 output status in case of error.
open
Open contact.
Default
CLose
Closed contact.
133
A.1.Ld.
Alarm 1 Led
Defines the status of the led
A1
in correspondence of the relevant output
o.c.
ON with open contact or DO switched off.
c.c.
ON with closed contact or DO switched on. (
Default
)