A&D AD-8922A Manual de Instruções descarregar pdf (Página 27)

１１ COMPARATOR OUTPUT (AD-8922A-04)

The weighing data is compared with the upper and lower limit values and the results of the comparison are

contact-output in three levels of HI OK LO . The upper and lower limit values are set in the function setting.

Whether or not to sound the buzzer according to the results can be selected.

Note: When the AD-8922A-04 is installed, the pin assignment (DIN 8-pin), of the RS-232C serial

interface, to connect an external device, will be changed.

１１-１ Comparator Output Specifications

Accessories

DIN connector (Plug) 1 pc.

Instruction manual 1 copy

Panel view

Comparator output (COMP.OUT)

Maximum contact voltage: 100 VDC

Maximum contact current: 100 mA DC

Maximum contact resistance: 20 Ω

Comparator output judgement conditions (when upper limit value

≥lower limit value):

Weighing data

>upper limit value: Activates the HI comparator output.

Upper limit value

≥weighing data≥lower limit value: Activates the OK comparator output.

Weighing data

<lower limit value: Activates the LO comparator output.

Reference value setting: Input the upper and lower limit values digitally.

Contact output: Select whether or not to compare, using “Cp” of the function setting.

Buzzer: Select whether or not to sound the buzzer, using “bep” of the function

setting.

AD8922A

OP-04

BALANCE

/SCALE

COMP.OUT

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A&D AD-8922A Manual de Instruções Página 27