model 2704 controller installation and operation handbook - Soliton

2704 Controller Controller Applications
Next Clean
Clean State
Clean Output
for the probe
Time to next cleaning.
(counts down to 0:00:00.0)
The burn off state of the
zirconia probe
Clean valve output.
This is a signal to the
purging air valve during the
purging cycle.
Probe Status Probe requires cleaning Good
Bad
Probe SBrk Probe sensor break No
Yes
Sooting Alarm Probe sooting alarm output Good
Bad
0:00:00.1 R/O
Inactive
Cleaning
Recovering
Off
On (when
‘Clean State =
Cleaning)
Probe IP Zirconia probe mV input -0.100 to
2.000
Temp IP
PV Invalid
PV Frozen
Zirconia probe temp input
val
PV Invalid
This is a boolean which is
true when the temperature is
below that set by ‘Min Cal
Temp’.
It may have been wired in
configuration mode, for
example, to disable the gas
valve
PV Frozen
This is a boolean which
freezes the PV during a
purging cycle.
It may have been wired in
configuration mode, for
example, to disable control
output during purging
Temp range
No
Yes
No
Yes
Off
R/O
L3
L1
R/O
R/O
R/O
R/O
L3
L3
Installation and Operation Handbook. Part No HA026502 Issue 1.0 Apr-00 10-7