A&D GX Series, Instruction Manual

Page: 10 / 35

8
Caution
The balance may not transmit the data completely at the specified refresh rate, depending on
the baud rate or data added to the weighing data such as time, date and ID number.
3. COMPARATOR OUTPUT (GX-04)
Comparator output, is the function to output the comparison results between the weighing data and
upper/lower limit values. Whether or not to sound the buzzer when the contact is shorted can be set.
3-1 Specifications
The specifications of the comparator output are as follows:
Maximum contact voltage: 100 VDC
Maximum contact current: 100 mA DC
Maximum contact resistance: 20
?
Comparator output judgement conditions (when upper limit value
?
lower limit value):
Weighing data>upper limit value: Shorts HI comparator output.
Upper limit value
?
weighing data
?
lower limit value: Shorts OK comparator output.
Weighing data<lower limit value: Shorts LO comparator output.
Reference value setting: Input the upper and lower limit values digitally, using a sample or
using commands.
Contact output: Select whether or not to compare in the function in
Cp
, comparator
mode of the balance function table.
Buzzer: Select whether or not to sound the buzzer in
bep
, buzzer mode of
the balance function table.
Panel view Circuit
Pin assignments
Pin No. Description
1 HI (Comparator)
2 COM (Comparator)
3 Sending loop (Current loop)
4 LO (Comparator)
5 Sending loop (Current loop)
For details on current loop, pins 3 and 5,
see
“4-2 Current Loop Output
Specifications” on page 15.