Pixsys DRR244 - Page 39

User manual - DRR244 - 39
GROUP J -
AL. 4
- ALARM 4
177 AL.4.f. Alarm 4 Function
Alarm 4 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 1238
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 4 H and command
setpoint - alarm setpoint 4 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 188
A .4 . d e. . If A .4 . 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 .4 . d e. is different from 0.
178
rEs . Reserved
Reserved parameter
179
rEs . Reserved
Reserved parameter
180
A.4.5. o . Alarm 4 State Output
Alarm 4 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
181 A.4.o.t. Alarm 4 Output Type
Defines the output type if the alarm 4 is analogue.
0.1 0 v Output 0...10 V. Default
4.20ma Output 4...20 mA.
182
a .4.H y . Alarm 4 Hysteresis
Alarm 4 hysteresis.
-9999..+9999 [digit
1 p. 54
] (degrees for temp. sensors). Default 0.5.