10.INTERFACE
143
10-4-2. Specifications
Weight values are output as converted to analog signals of current.
Zero output weight value and full scale weight value can be set.
Current output 4mA ~ 20mA (Load resistance 350Ω or less)
D/A conversion speed 200 times/sec.
Resolution 1/10000
Over range ±5％ of the full scale (3.2mA ~ 20.8mA)
Zero drift Within 0.3μV/ ℃
Gain drift Within 30ppm/ ℃
Non-linearity Within 0.02％/FS
* Not including the drift of the analog input section
Output connector Cage clamp type terminal block (two-piece type)
Potentiometer A potentiometer to readjust (fine-adjust) ZERO (4mA) and
GAIN (20mA) is placed on the rear panel.
(The adjustable range is a few percentage.)
(4mA and 20mA are factory-adjusted.)
10-4-3. Method of Adjusting the D/A Zero and Gain
The D/A converter of the F701-C obtains analog output by setting the weight value to output 4mA
of current and the weight value to output 20mA of current, respectively. Input each setting value
and select D/A Output Mode in setting mode 4.
Current
(mA)
20
4
D/A Zero Output Weight setting
Resolution 1/10000
Weight value
D/A Full Scale setting
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