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Vestil SCALE-S User Manual

Page 22

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4). Finish the setting. Press

. Than back to weighing status

If the actual weight is 25.00kg,status light is ok

If the actual weight is 24.80kg, status light is under

If the actual weight is 25.20kg, status light is over

3. when set

“0000.00” for C20=C21. and C22=lower limit

C23=upper limit. It means use lower & upper limit independent. for

example the application for hopper scales:

for a hopper scales. the target control weight is 100-150kg, the I/O card

in the indicator to control the open & close the valve. As follows:

1). Set C20 C21 C22 C23 as above

2). Set C20=C21=0000.00

3). Set C22=lower limit alarm. C22=100kg

4). Set C23=upper limit alarm. C23=500kg

5). Return the menu. Back to weighing status.

If the actual weight is under 100kg, UNDER light on. Indicator

output the Under weight signal. Open the valve to add goods

If the actual weight is over 500kg, OVER light on. Indicator output

the Over weight signal. close the valve

4. when set C20>C21,C21

For example:

If the actual weight is over 90.00, open the over load alarm; when

the actual weight is under 12.00kg. open the under load alarm.

Set an alarm delay data can avoid some untrue alarm. For

example when the actual weight is 89.90. it is within the acceptable

arrange, but if the hopper is moved by wind or shake. The value

possibly come to 90.1t. than the untrue alarm will happen. To avoid it.

We can set a 0.5t alarm delay. As follows:

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