Hardy Process Solutions HI 1769-WS, Operation And Installation Manual

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HI 1769-WS/HI-1769-2WS WEIGH SCALE MODULE
5-6
Hard Calibration
Hard Calibration is the traditional method of calibra-
tion that uses test weights. Hardy recommends that
the test weights total 80 to 100% of the scale capacity.
Hard Calibration
Ladder Logic
Example
Step 1. Check to be sure that the parameters have
been setup for your weighing process. (See
Chapter 4, Setup)
Step 2. We have provided a Ladder Logic example
explaining how to set the weigh process
parameters. The Ladder Logic example is
meant to provide a ladder logic model
only. Your application may vary and the
example may or may not meet your
requirements.
Step 3. The Hard Calibration Ladder Logic Exam-
ple is located at the Hardy Web Site. If you
have access to the Internet:
a. Type the following URL:
http://www.hardysolutions.com
b. Click on the Support button.
c. Click on Sample Programs.
d. Click on the pull down menu for the
product you are calibrating.
e. Click on the Ladder Logic Example for
the HI 1769-WS Weigh Module, Hard
Calibration.
Step 4. If you do not have access to the Internet,
call your local Hardy representative or
Hardy Customer Service Center and we
will forward you a hard copy of the cali-
bration ladder logic explanation and ladder
logic example.