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New HIDS Drum Scales!
Click Here to Learn More!There are only two parameters that you need to be aware of before trying to start a calibration.
If you are doing a C2 calibration, you need to insure your Cal Low Weight parameter (either parameter 35 or 36 depending on if lbs or kgs) is set to your reference weight.
If you are doing a hard calibration, you need to insure your Cal Low Weight parameter is set to your low cal weight and your Span parameter (either parameter 4 or 23 depending on if lbs or kgs) is set to your high cal weight.
The step by step procedure would be:
1. Set your Cal Low Weight parameter to your reference weight.
2. If you are doing a hard cal, set your Span parameter to your high weight.
3. Insure the live weight on the scale is equal to your Cal Low reference weight.
4. C2 cal only: (If doing a Hard cal skip step 4 and go to step 5.) For a C2 cal, change parameter 22 to a value of 1. This runs the C2 calibration. This completes your calibration. Jump to step #9.
5. If doing a Hard cal, change parameter 20 to a value of 1. This runs the Cal Low command.
6. Place weight on the scale equal to the amount set for your span value.
7. Set parameter 21 to a value of 1. This runs the Cal High command. This completes your calibration.
8. NOTE: You should change parameters 20, 21, & 22 (which ever were used) back to value of 0 after command completes.
9. A command to write to non-volatile memory should be run after completion of calibration. This is done by setting parameter 38 to a value of 1. (should set back to 0 after completion.)
Find attached a copy of sample code for the ControlLogix system showing running the C2 calibration command. This does not show setting the parameters.
Attached is a document specifying what you need to be aware of in setting up a module. These instructions apply only to the HI 200DNWM Series B modules, as they have the Command Interface. If you have a Series A module, you would need to use Explicit Messages to do a calibration. You can find that information using WebTech and searching on the word explicit.