Cropico DO6, Руководство пользователя

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DO6 Handbook
Jan 2006 38 of 107 pages
6.5.12 Self test
The instrument has numerous built-in diagnostics, which you can use to check whether the
instrument is working correctly, and for self-help troubleshooting.
Use
↑↓
to move the selection bar, ENTER to select
Use
↑↓
to move the selection bar, ENTER to select
The following screen appears after selecting “PLC & I/O TEST”:
Use the
↑↓
buttons to move the cursor to the left or right.
The present level of the control outputs is specified in the “OUTPUTS” line. The screen above
shows the status of the comparator. The SET button can be used to set the level to ON=1, while
RESET can set the level to OFF=0.
Note: the status that the outputs are meant to have is specified here. The output status is measured
in the instrument. If the actual status does not match the assumed status, check if any of the leads
or connectors are open-circuit or short-circuit.
Please note the polarity of the output levels. The I/Os can be implemented in accordance with the
American standard as an option.
The present status of the control inputs is shown in the “INPUTS” line.