Verification Check; Iv.1 Procedure - Toshiba LF622 Quick Start Manual

Operation of totalizer is done by choosing the CNT option at start up- In this menu,
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totalizer can be Stop, Start and Reset.
(Note 6. The count rate is limited to a setting range of 3.6 pulse/s to 36000 pulse/h; Automatic
and manual options are available for pulse width (PLS WID) settings. The digital outputs
require external voltage and should be wired according to the connection diagram shown in the
manual under the Digital I/O connection section. Addition information is available from DI/DO
connect application note (see appendix A). When COUNT is chosen as a unit for totalizer
display, and totalizer reaches its maximum value (99999999), it will automatically roll over and
reset itself; if any other unit is chosen (such as gal), totalizer have to be manually reset when it
reaches its maximum value.)
IV. Verification Check
After converter and detector connected and unit powered up and configured, a verification check
of the excitation current can be done. (This check can also be done on a combine style magmeter)
IV.I Procedure
- Go to menu R: CAL
Select the fourth option EXC DSPL – the feedback current should be the same as was
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inputted in EXC CUR option in menu A:DETECTOR, and should also correspond to
value that is stamped on the detector.
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