Chapter Six: RS-232 Communications Option RS-232 Messa
es
95
Example 6: How To Zero the 670 Instrument
Zeroing the 670 instrument involves two Group I commands and one Group II command. First,
issue the enable remote zero (18) command to enable the zero operation. Second, use the set
mode (01) command to select the calibration procedure. Third, send the calibrate mode (03)
command to initiate the calibration procedure.
Note
The time required to complete a calibration procedure depends on the
value of the averaging entry. Refer to Table 16, page 73, for more
information.
The following example will zero the transducer on Channel 1.
1. Issue the following command to enable the remote zero operation:
@1801
ENTER
2. Use the set mode command to select the zero procedure:
@0101
ENTER
The 670 instrument will return the same command to indicate that the command was
accepted and implemented.
3. Send the calibrate mode (03) command to initiate the zero procedure:
@030
ENTER
The front panel will flash the message “
CALIBRATING
” while the instrument performs
the zero function. The system will send back the same command to indicate that the
command was accepted. It does
not
send notification when the calibration is complete.
4. Change the mode back to pressure by sending the command:
@0100
ENTER
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