User manual - ATR244 - 41
GRUPPO H -
AL. 2
- Alarm 2
141
AL.2. f.
Alarm 2 Function
Alarm 2 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 1236
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.
d.i. 3
Digital Input 3. Active when digital input 3 is active.
d.i. 4
Digital Input 4. Active when digital input 4 is active.
H.b.A.
Heater Break Alarm and Overcurrent Alarm
142
A.2.Pr.
Alarm 2 Process (only on ATR-ABC-T)
Selects the size related to alarm 2.
A.i n .1
Value read on input AI1. (Default)
A.i n . 2
Value read on input AI2.
MEAn
Arithmetic average of the value read on inputs AI1 and AI2 [(AI1+AI2)/2].
d i F F.
Difference of the values read on inputs AI1 and AI2 (AI1-AI2).
A b . d i f.
Module of the difference of the values read on inputs AI1 and AI2(|AI1-AI2|).
SuM
Sum of values read on inputs AI1 and AI (AI1+AI2).
143
A.2. r. c.
Alarm 2 Reference Command
Selects alarm 2 reference command
cmd. 1
Alarm referred to command 1. (Default)
cmd. 2
Alarm referred to command 2.
144
A.2.5. o .
Alarm 2 State Output
Alarm 2 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. 65
n.c. t H.
(N.C. Threshold) Normally closed, active on reaching alarm
2 p. 65
145
rEs .
Reserved
Reserved parameter.
146
a.2.Hy.
Alarm 2 Hysteresis
Alarm 2 hysteresis
-9999..+9999 [digit
1 p. 65
] (degrees for temp. sensors). Default 0.5.