PST MICHELL Instruments ADG400, Руководство пользователя

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ADG400 User Manual
Michell Instruments 13
OPERATION
3.6.6 Status Page
Entering the status page will pause a running profile. This prevents a "Read MFCs"
operation conflicting with an automatic change in set point.
Item Description
TD Indicator
Illuminated green when Transition Delay mode is active. A description
of this feature follows this table.
Target Column MFC Target values read from Standard/User calibration table
Set Point
Column
MFC set-point values read back from the MFC.
In most cases, these should match the Target values.
In TD mode, S2Wet set point will read 0.
Measure Column MFC measured flow values – these should generally be within ±5
counts of the set point value.
VNT2
Indicates the current state of stage 2 selection solenoid.
Should be illuminated green for all set points that use 2-stage mixing.
OUT1
Indicates the current state of stage 1 selection solenoid.
Should be illuminated green for all set points that use 1-stage mixing.
STG2
Indicates the current state of stage 2 selection solenoid.
Should be illuminated green for all set points that use 2-stage mixing.
BAT
Indicates the state of the memory back-up battery. In the event that
this indicator turns red, contact the Michell UK service department for
instructions on replacing the battery.
MB
MFC Modbus communications status indicator
Indicates 00000 for good communication
A 1 in any position indicates unsuccessful communication with the
corresponding MFC.
Set Point
Indicator
Shows currently selected set point
Read MFCs
Button
Reads all MFCs to update the
Set Point
and
Measure
columns.
In Remote mode, values can only be updated when requested
by serial command, and this button is disabled. This means that
sometimes values will be out of date. This is to prevent interruption
of a Remote set-point change event.
Figure 10
Status Page Screen