Viatran DL-ACB0N, Инструкция по эксплуатации

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Viatran DL Series Analog Input Process Meter Instruction Manual
82
F4 Operation
A digital input, F4, is standard on the meter. This digital input is
programmed identically to function keys F1, F2, and F3. The input is
triggered with a contact closure to COM, or with an active low signal.
During operation, F4 operates according to the way it has been
programmed in the
Advanced Features – User menu.
Maximum/Minimum Readings
The max & min readings (peak & valley) reached by the process can be
displayed either continuously or momentary:
1. Display briefly by assigning to the F1-F3 function keys or to the
digital inputs in the
User menu.
2. Display continuously by assigning either display to max/min
through the
Display menu.
Any of the F1-F3 function keys (buttons) and the digital inputs can be
programmed to reset the max & min readings. The meters are set at the
factory to display the max reading by pressing the Up arrow/F2 button
and to use the Right arrow/F1 button to access the
Reset menu.
To display max reading using function key with factory defaults:
1. Press Up arrow/F2 button to display maximum reading since the
last reset/power-up.
2. To reset max/min press Right arrow/F1 button to access the Reset
menu. The max & min displays are reset to actual values.
3. Press Menu to exit max/min display reading.
To display max/min readings continuously:
Assign either display to Max (
d Hi
), Min (
d Lo
), or toggle between Max
and Min (
d HL
) every 10 seconds.