The button” c2 calibration, C2 calibration using ladder logic – Hardy HI 1756-nDF User Manual

Page 49

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Chapter 5

“THE BUTTON” C2 Calibration

Step 1.

Be sure that the parameters have been setup for your weighing process. (See
Chapter 4, Setup)

Step 2.

Open the front door of the module.

Step 3.

Press and hold “The Button” until the desired Scale LED turns green, and

release, scale led will start flashing.

“THE BUTTON” location on the 1756 nDF

Step 4.

Press and release “The Button” again to perform the C2 Calibration. Once the
calibration is completed the Scale LED returns to a steady green.

NOTE: If you do not press THE BUTTON again within 20 seconds, the calibration
process times out.

C2 Calibration Using Ladder Logic

Verify that the parameters have been setup for your weighing process in accordance with
the setup information provided in Chapter 4.

Step 1. Empty your hopper, if possible.

Step 2. Set your cal low reference weight to 0 or if you have product in the hopper use
that as your reference setting.

Step 3. Send the C2 calibration command by setting the output table word 0 to the
command number 102.0.

Step 4. Monitor your Input table words 0 & 1. Word 0 will echo your command
number when command is complete. Word 1 will be your status, 0 = no errors.

Step 5. Calibration complete if no errors

NOTE: If you are doing the C2 calibration on channel 2 of a 2 channel module, use
Output table word 8 and Input table words 8 & 9.

For ladder logic examples please refer to the

http://www.hardysolutions.com

website.

Located under the SUPPORT pull down and then select sample programs.

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