User manual

42 - UR4848 - User manual UR4848 - User manual - 43
38 a.2.s.p. Alarm 2 Setpoint Protection
Alarm 2 set protection. Does not allow operator to change value set
free Modication allowed (Default)
Lock Protected
Hide Protected and not visualized
39
AL. 3 Alarm 3
Alarm 3 selection. Alarm intervention is associated with AL3. (See
paragraph 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
40
a.3.5.o. Alarm 3 State Output
Alarm 3 output contact and intervention type
n.o. s. (N.O. start) Normally open, active at start
n.c. s. (N.C. start) Normally closed, active at start
n.o. t. (N.O. threshold) Normally open, active on reaching alarm
8
n.c. t. (N.C. threshold) Normally closed, active on reaching alarm
8
41 a.3.re. Alarm 3 Reset
Alarm 3 contact reset type
are. Automatic reset (Default)
mre. Manual reset
mre. Manual reset stored. (keeps relay status also after an eventual
power failure)
42
a.3.s.e. Alarm 3 State Error
State of contact for alarm 3 output in case of error
c.o. Open contact (Default)
c.c. Closed contact
8
On activation, the output is inhibited if the controller is in alarm mode. Activates only if alarm
condition reappers, after that it was restored.
43 a.3.Ld. Alarm 3 LED
State of OUT3 led corresponding to relative contact
c.o. ON with open contact
c.c. ON with closed contact (Default)
44 a.3.HY. Alarm 3 Hysteresis
-999…+999 [digit
9
] (degrees.tenths for temperature sensors),
Default: 0.0.
45
a.3.de. Alarm 3 Delay
-180…+180 seconds
Negative: delay in alarm exit phase.
Positive: delay in alarm entry phase.
Default: 0.
46
a.3.s.p. Alarm 3 Setpoint Protection
Alarm 3 set protection. Does not allow operator to change the
setpoint value
free Modication allowed (Default)
Lock Protected
Hide Protected and not visualized
47 t.a. Current Transformer
Activation and scale range of current transformer
0 Disabled
1-200 Ampere
Default: 0
48
L.b.a.t. Loop Break Alarm Threshold
Intervention threshold of Loop Break Alarm
0.0-200.0 Ampere
Default: 50.0
49
L.b.a.d. Loop Break Alarm Delay
Delay time for Loop break alarm intervention
00.00-60.00 mm.ss
Default: 01.00
9
Display of decimal point depends on setting of parameter sen. and parameter d.p.