Pixsys ATR 421, User Manual

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ATR 421 - User manual 43
52
aL. 2
Alarm 2 : Alarm 2 selection.
dis.
(Disabled). > Default .
a. aL.
(Absolute Alarm). Referring to the process.
b. aL.
(Band Alarm). Command sepoint ± band.
H.d.aL.
(High Deviation Alarm). Command se deviation
L.d.aL.
(Low Deviation Alarm). Command setpoint - deviation
a.c.s.A.
(Absolute Command Setpoint Alarm). Reff erring to the sepoint.
st.AL.
(Start Alarm). Active in RUN.
end.A.
(End Alarm). Active at cycle end.
a.o.r.s.
(Auxiliary Output Related to the Step). ON/OFF at each step.
a.o.r.m.
(Auxiliary Output Rising Maintenance). Auxiliary output active
for rising and holding steps.
a.o.fa.
(Auxiliary Output Falling). Auxiliary output active for falling.
burn
(Burners). Burner output for gas functioning.
fans
(Fans). Fans output for gas functioning.
cooL
(Cooling). Actuator output for cooling during double loop
functioning.
53
a.2.s.o.
Alarm 2 State Output : Selects contact type for alarm 2 output.
n.o.
(Normally Open). > Default .
n.c.
(Normally Closed).
54
a.2.tH.
Alarm 2 Threshold : Selects setpoint value for alarm 2.
-999…+9999 [digit
8
] (degrees for temperature sensors).
> Default : 0.
55
a.2.HY.
Alarm 2 Hysteresis : Selects hysteresis for alarm 2.
-999…+999 [digit
8
] (degrees.tenths for temperature sensors).
> Default : 1.0.
56
a.2.s.e.
Alarm 2 State Error : Contact satus for alarm 2 output in case of
error.
o.c.
(Open Contact) > Default
c.c.
(Contact closed)
8 The display of the decimal point depends on the setting of parameters
Sen.
and
d.p.