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Digital inputs – Laurel Electronics LAUREATE SERIES COUNTER_TIMER User Manual

Page 49

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19.1

FUNCTION OF DIGITAL INPUTS

Meter Reset

Logical 0 - The microcomputer reads and resets the meter to the values

stored in nonvolatile memory. If totals are saved on power down,
totals are reset to the saved value, otherwise totals are set to zero
or to the offset value if offset is not zero.

Function Reset Logical 0 - All totals are reset to zero or to the offset value if offset is not zero,

alarms are reset and peak display resets to minus overload

Peak Display

Logical 0 - The peak value of the filterable item is displayed
Logical 1 - The present value the selected item is displayed.

Hold

Logical 0 - The meter display and outputs are held at the last reading prior to

the hold going low. Meter continues to totalize while meter is in
hold

Logical 1 - The display and outputs are updated normally

External Gate

Logical 0 - The gate time starts when input goes low and ends when gate

time goes high

Logical 1 - When external gate is selected, it overrides the internal gate. At

power on, the meter displays reset until the external gate input
goes low and then high to complete a conversion. The new value
will then be displayed until a new external gate occurs.

Display Blank

Logical 0 - The display and indicator lights are blanked
Logical 1 - The display and indicator lights are lit.

External Gate

Logical 0 - Gate Time is closed
Logical 1 - Gate time is open and remains open until logical 0 applied

Display Item 2 & Display Item 3

Inputs A & B Logical 0 or 1 - Item 1 displayed
Input A Logical 0 and Input B Logical 1 - Item 2 displayed
Input B Logical 0 and Input A Logical 1 - Item 3 displayed

19.

DIGITAL INPUTS

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