User manual - DRR244 - 33
GROUP G -
AL. 1
- ALARM 1
123
AL.1. f.
Alarm 1 Function
Alarm 1 selection.
diS a b.
Disabled (Default)
A b . u p. 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)
u p. d e v.
Upper Deviation alarm
L o . d e v.
Lower Deviation alarm
Ab.c.u.A.
Absolute Command Upper Activation. Absolute alarm referred to the command
setpoint, active over
A b.c.L.A.
Absolute Command Lower Activation. Absolute alarm referred to the command
setpoint, active under
run
Status alarm (active in RUN/START)
cooL
Cold actuator auxiliary (Cold action in double loop)
P r b . e r.
Probe error. Alarm active in case of sensor ropture.
t M r.1
Related to timer 1
t M r. 2
Related to timer 2
t M r.1. 2
Related to both timers
rEM.
Remote. The alarm is enabled by the word 1235
d.i. 1
Digital Input 1. Active when digital input 1 is active.
d.i. 2
Digital Input 2. Active when digital input 2 is active.
H.b.A.
Heater Break Alarm and Overcurrent Alarm
a.b A nd
Asymmetric band alarm (command setpoint + alarm setpoint 1 H and command
setpoint - alarm setpoint 1 L).
c. a ux
Auxiliary for job distribution on the command output. It cyclically replaces the
command output for the time set on the parameter 134
A .1 . d e . . Se A .1 . d e . = 0, it is activated
parallel to the command output. It does not work in case of valve control and can only
be activated on an alarm if
A .1 . d e . is different from 0.
124
rEs .
Reserved
Reserved parameter
125
rEs.
Reserved
Reserved parameter
126
A.I.5. o .
Alarm 1 State Output
Alarm 1 output contact and intervention type.
n.o. S t.
(N.O. Start) Normally open, active at start (Default)
n.c. S t.
(N.C. Start) Normally closed, active at start
n.o. tH.
(N.O. Threshold) Normally open, active on reaching alarm
2 p. 54
n.c. t H.
(N.C. Threshold) Normally closed, active on reaching alarm
2 p. 54
n.o.tH.V.
(N.O. Threshold Variation) disabled after changing control setpoint
3 p. 54
n.c.tH.V.
(N.C. Threshold Variation) disabled after changing control setpoint
3 p. 54
127
rEs .
Reserved
Reserved parameter.
128
a.1.Hy .
Alarm 1 Hysteresis
Alarm 1 hysteresis
-9999..+9999 [digit
1 p. 54
] (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
1 p. 54
] (degrees for temp. sensors). Default 0.
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