User manual - DRR245 39
28
a .1 . H y .
Alarm 1 Hysteresis
-999..+999 [digit
1 p. 55
] (degrees.tenths for temperature sensors), Default:
0.0.
29
a .1 . d e .
Alarm 1 Delay
-180..+180 seconds.
Negative: delay in alarm output phase.
Positive: delay in alarm entry phase. Default: 0.
30
a .1 . s p .
Alarm 1 Setpoint Protection
Alarm 1 set protection. Does not allow user to modify setpoint
free
Modification allowed (Default)
Lo ck
Protected
Hi d e
Protected and not visualized
31
AL. 2
Alarm 2
Alarm 2 selection. Alarm intervention is related to AL2.
(Par. 13 pag. 48)
di s .
Disabled (Default)
A. AL.
Absolute alarm, referring to process
b . AL.
Band alarm
H. d .AL.
Upper deviation alarm
L. d .AL.
Lower deviation alarm
A. c.AL.
Absolute alarm, referring to command setpoint
s t.AL.
Status alarm (active in Run / Start)
cooL
Cooling action
L. b .A.
Status alarm “load control” (Loop Break Alarm). Example: status
of contactors / SSR or heating elements
32
a.2.so.
Alarm 2 State Output
Alarm 2 output contact and intervention type
n . o. s
(N.O. start) Normally open, active at start (Default)
n . c. s
(N.C. start) Normally closed, active at start
n . o. t
(N.O. threshold) Normally open, active on reaching alarm
2 p. 55
n . c. t
(N.C. threshold) Normally closed, active on reaching alarm
2 p. 55