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Thermo Ramsey - Hoferick Engineering GmbH

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Menus<br />

A.9. Diagnostics<br />

If the operator fails to enter the correct password, the following screen displays.<br />

Pressing RETURN returns the program to the previous function. If the operator<br />

enters the correct password, the previous screen appears and access is allowed.<br />

When the protection level is changed using the on line procedure, the system<br />

automatically returns to protected status if no keyboard entries are made within<br />

60 seconds.<br />

A.9.1. A/D Raw Data<br />

Diagnostic Scroll 1 shows the raw data from the A/D converter of the Integrator<br />

(A/D gross) and the net value after the zero constant has been subtracted. The<br />

range of the A/D converter is from 0 to 131070 numbers.<br />

A.9.2. Readout Load Cell mV<br />

The system displays the mV output of the load cell. The reading must be<br />

positive and must increase when the load increases.<br />

If CALIB is pressed, the next two scrolls are displayed and can be used to finetune<br />

the readout of mV/V.<br />

Default: 15<br />

Min: 0<br />

Max: 10000<br />

- SYSTEM PROTECTED -<br />

INVALID PASSWORD<br />

ACCESS DENIED<br />

RETURN<br />

-DIAGNOST. SCROLL 1-<br />

A/D gross 00000<br />

A/D net 0000<br />

-DIAGNOST. SCROLL 2-<br />

Weight on load cell<br />

0.000 mV<br />

CALIB<br />

-DIAGNOST. SCROLL 2A<br />

Loadcell output zero<br />

0000000 A/D counts<br />

ENTER<br />

Password: Service<br />

Password: Service<br />

A-40 Weighbridge Physical Parameters <strong>Thermo</strong> Fisher Scientific<br />

REC 4175 Rev B

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