A&D AD-4212A/B instruction manual Setting the upper/lower limit values, Indicates a space 20h

Five-level comparison

Comparison					Display		Contact output				Buzzer
results						H H	HI	OK	LO	LL
H H					blinking	short	open	open	open	open
	HH
HI		HI illuminated				open	short	open	open	open
OK				illuminated		open	open	short	open	open
		OK
LO			illuminated			open	open	open	short	open
		LO
LL	LL blinking					open	open	open	open	short

*Set the upper limit value equal to or higher than the lower limit value.

Set the secondary upper limit value equal to or higher than the upper limit value. Set the secondary lower limit value equal to or lower than the lower limit value.

Setting the upper/lower limit values

When five-level comparison is to be performed, using the AD-4212B series balance, set the “Comparator output setting ( Cp-t )” parameter to “1”.

1Press and hold the SAMPLE key until ba5fnc of the function table is displayed, then release the key.

2Press the SAMPLE key several times to display the value name to be set.

CpPHH

CpPHi

CpPlo

CpPll

secondary upper limit value

upper limit value

lower limit value

secondary lower limit value

3Press the PRINT key. The value currently set is displayed with all of the digits blinking.

4When the current setting is not to be changed, press the PRINT or CAL key to proceed to step 5.

When the current setting is to be changed, press the RE-ZERO key. Change the setting using the following keys.

SAMPLE			key		To select the digit to change the value.
				key	To change the value of the digit selected.
RE-ZERO
		key			To switch the polarity.
MODE
		key			To store the new setting and go to step 5.
PRINT
	key				To cancel the new setting and go to step 5.
CAL

5 Repeat steps 2-4 to set values as necessary.

Note

The upper/lower limit values can be set by external commands using the RS-232C serial interface.

Command example	H H :+100.00000		g (to set secondary upper limit value)
	H I :+080.00000		g (to set upper limit value)
	L O :+060.00000		g	(to set lower limit value)
	LL :+040.00000		g	(to set secondary lower limit value)
		indicates a space (20h)

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