User manual

40 - UR4848 - User manual UR4848 - User manual - 41
26 a.1.s.e. Alarm 1 State Reset
State of contact for alarm 1 output in case of error
c.o. Open contact (Default)
c.c. Closed contact
27 a.1.Ld. Alarm 1 Led
Denes the state of OUT2 led corresponding to the relative contact
c.o. ON with open contact
c.c. ON with closed contact (Default)
28 a.1.Hy. Alarm 1 Hysteresis
-999…+999 [digit
5
] (degrees.tenths for temperature sensors),
Default: 0.0.
29
a.1.de. Alarm 1 Delay
-180…+180 seconds.
Negative: delay in alarm output phase.
Positive: delay in alarm entry phase.
Default: 0.
30
a.1.sp. Alarm 1 Setpoint Protection
Alarm 1 set protection. Does not allow user to modify setpoint
free Modication allowed (Default)
Lock Protected
Hide Protected and not visualized
31 AL. 2 Alarm 2
Alarm 2 selection. Alarm intervention is related to AL2. (See par. 11)
dis. 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
st.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
5
Display of decimal point depends on setting of parameter sen. and parameter d.p.
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
6
n.c. t (N.C. threshold) Normally closed, active on reaching alarm
6
33 A2.re. Alarm 2 Reset
Alarm 2 contact reset type
Are. Automatic reset (Default)
mre. Manual reset (reset / manual reset by keyboard)
mre.s. Manual reset stored. (keeps relay status also after an eventual
power failure)
34
a.2.s.e. Alarm 2 State Error
State of contact for alarm 2 output in case of error
c.o. Open contact (Default)
c.c. Closed contact
35 a.2.Ld. Alarm 2 Led
State of OUT2 led corresponding to relative contact
c.o. ON with open contact
c.c. ON with closed contact (Default)
36 a.2.HY. Alarm 2 Hysteresis
-999…+999 [digit
7
] (degrees.tenths for temperature sensors),
Default: 0.0.
37
a.2.d.e. Alarm 2 Delay
-180…+180 seconds.
Negative: delay in alarm exit phase.
Positive: delay in alarm entry phase.
Default: 0.
6
On activation, the output is inhibited if the controller is in alarm mode. Activates only if alarm
condition reappers, after that it was restored.
7
Display of decimal point depends on setting of parameter sen. and parameter d.p.