Chapter 3
32
Mini-Convectron Module with RS-485
Instruction Manual - 275545
TZ
Set zero (at or near vacuum)
Use scientific notation or 0.
Example:
From host:
#01TZ0 CR
From Mini-Convectron:
*01_PROGM_OK CR
From host:
#01TZ1.00E-02 CR
From Mini-Convectron:
*01_PROGM_OK CR
Possible Responses:
*01_HI_VAC_V CR
Transducer output voltage is higher
than it should be. Actual pressure
may be higher or there may be tube
contamination which may cause
readout error to increase between
TZ and TS settings.
*01_LO_VAC_V CR
Transducer output voltage is lower
than it should be. Similar to
HI_VAC_V.
?01_OFST_LIM CR
Offset programmed at limit.
Readout errors will occur even at TZ
setting.
?01_DEF_SNSR CR
Sensor defect, no change in
programming, see maintenance
section.
?01_RANGE_ER CR
Command error, TZ must be set
below 1 x 10
-1
Torr. No change in
programming.
Notes:
Do this only at lower pressures, will respond with error message if done
near atmosphere. This change occurs as soon as the function is performed.
Содержание Granville-Phillips Mini-Convectron 275 series
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