Honeywell Searchline Excel Technical Handbook page 92

MAN0530 Issue 10 - 11/09
2104M0506
APPENDIX A - HANDHELD INTERROGATOR
Cal sensor
This menu option zeros the system.
Notes:
1. The 4-20 output is inhibited during this procedure. See the earlier description.
2. There must be no gas in the system beam path whilst this procedure is carried out.
The following message is displayed:
The following message is displayed while the calibration operation is being performed:
If the calibration is successful, the following message is displayed for a period of three
seconds:
force ma
This option allows the system's analogue output signal to be adjusted to a fixed level, e.g. when
setting up a system controller. The following message is displayed:
where:
mmmmm
This is adjusted using the
After adjustment the output is forced to the set level and the following message is displayed:
where:
mmmmm
Normal ma
This menu option returns the system to its normal analogue output state, irrespective of its
previous state. If successful, the following message is displayed for three seconds:
Ensure Zero Gas
Press Enter
Processing Data
Please Wait...
Zero Calibrated
O/P current mA
Current to output.
and keys over the range 1mA to 21mA in steps of 0.1mA.
Fixed:
Press Enter
Analogue output current previously set.
4-20mA Released
mmmmm
mmmmm mA
92
Searchline Excel