Name
Description
Flame Ignition
Select
Manual
if you want to control the burner ignition; select
Auto
if you want the
GC to control the burner ignition.
Ignition Attempts
Indicates the number of times the GC will try to light the flame. If an
Auto
ignition
sequence fails to light the flame after the specified number of attempts, the GC will
close the hydrogen valve, switch the ignition parameter to
Manual
, and set an active
alarm.
Wait Time Bet Tries
Indicates the amount of time, in seconds, the GC will wait between ignition
attempts.
Igniter On Duration
Indicates the length of time that the igniter will remain on.
Flame On Sense Temp
The flame ignites when the internal temperature exceeds the value set in this field.
Flame Out Sense Temp
The flame is extinguished when the internal burner temperature falls below the
value set below the
Flame On Sense Temp
.
FPD Flame Status DI
Applies to FPDs only. Allows you to select from a list of available digital inputs (DIs).
The DI that is selected will receive the FPD's flame status value.
Preamp Val
Detector count. Read-only.
Flame Temperature
Temperature of the flame as read by the RTD. Read-only.
Flame Status
Options are:
Off
,
On
, and
Over Temperature
. Read-only.
H2 Valve Cur State
Options are:
Open
and
Closed
. Read-only.
Scaling Factor
Preamp calibration factor.
Igniter Status
Options are:
Off
and
On
. Read-only.
Electrometer Voltage
Output at first stage of FID preamp. Read-only.
Pre Amplifier Voltage
Output at second stage of FID preamp. Read-only.
Polarizing Voltage
Igniter voltage. Read-only.
Gain Status
Options are:
Low
and
High
.
Status
Options are:
Ok
,
Not Installed
, and
Internal Error
. Read-only.
(1)
Not used with µFPD.
4. If the
Flame Ignition
field is set to
Manual
, and if the
Flame Status
field is set to
Off
,
do the following to restart the flame:
a) Click
Ignite
.
The
Flame Status
field changes to
On
when the internal temperature
exceeds the value set in the
Flame On Sense Temp
field.
Reference Manual
Micro flame photometric detector (µFPD)
2-3-9000-744
June 2022
Rosemount 700XA
269
Summary of Contents for Rosemount 700XA
Page 1: ...Reference Manual 2 3 9000 744 Rev L June 2022 Rosemount 700XA Gas Chromatograph ...
Page 6: ...TxD TD or Sout Transmit data or signal out 6 ...
Page 30: ...Overview Reference Manual June 2022 2 3 9000 744 30 Emerson com Rosemount ...
Page 100: ...Installation and start up Reference Manual June 2022 2 3 9000 744 100 Emerson com Rosemount ...
Page 182: ...Operation and maintenance Reference Manual June 2022 2 3 9000 744 182 Emerson com Rosemount ...
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