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6-5. Analog Output Interface (Option 03 : 4~20mA Output)
This Option card converts weight value to Analog Electric Current output(4~20mA) and transfers to
external devices(Recorder, P.L.C), controlled by electric current output.
6-5-1. Specification
①
. Output Current : 4~20mA (Output Range : 2~22mA)
②
. Accuracy : More than 1/1,000
③
. Temperature Co-efficiency : 0.01%
℃
. Max. Loaded Impeda
④
nce : Max. 500
Ω
When Weight display is “Zero”, 4mA current will be output, when Weight display is “Full
※
Capacity”, 20mA current will be output.
6-5-2. Circuit
“LO” terminal is not a “GND”, so this
※
“LO” terminal do not be connected with
other “GND” terminal on other devices.
6-5-3. Output Adjustment
①
. This output is adjusted as when the weight is “Zero”, output is “4mA” and When the weight
is “Full capacity”, output is “20mA”.
②
. If you need additional adjustment, please adjust with “VR1(Zero)”, “VR2(Span) on the Analog
Output PCB.
Remark
※
This Analog option card converts Displayed weight value(Micro-process data) to analog
value on D/A Converter(Digital to Analog converter)
This D/A Converter has Max. 1/4,000 accuracy, so this output is not suitable for high
accuracy application, like more than 1/3,000.
6-5-4. Connecter (9pin, “D-type” female)
1 : HI(+), 5 : (-)
