DS600 Non-Ferrous Double Sheet Detector
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to a third party without the prior written consent of Prime Controls, Inc.
202177 22 Revision M
* These registers are read-only. Writing to these registers will result in a “Bad Address” error.
4.3 Calibration Data Backup and Restore
Any or all of the 64 calibration datasets may be transferred to an external device via Modbus.
The data is transferred as a block without identification of individual data items within the block.
Valid datasets, i.e. those that have been generated by the calibration process, include a CRC
word that allows the dataset to be validated if restored at a later time.
To retrieve or restore a calibration dataset via Modbus, the slot address (1 to 64) must first be
written to register 400025 and then the data either read from or written to locations 400026
through 400042. If a restored calibration dataset is either corrupted or was not generated by the
calibration process, the message nEEd Cal flashes on the DS600 display when that dataset is
selected for use. The nEEd Cal message is cleared when calibration is initiated and the display
reverts to showing the current gauge signal once complete.
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