User manual

RS232-ADC16/24

Response : Write Multiple Registers

Function code 1 byte 0x10

Otherwise an error response is send.

6.5 Calibrate device

This command calibrates the device for external circuits. Analog channels 0 and

1 have to be set to the following levels during calibration.

Channel 0 must be connected to analog ground.

Channel 1 must be connected to the highest expected valid level.

Note : The device is already calibrated at delivery.

Command/Response : Calibrate Device

Function code 1 byte 0x64

If the function succeeds the response is equal to the received command

otherwise an error response is send.

6.6 Save calibration data

Calibration data is loaded at system reset. If another calibration data is needed

by default, use this command after device calibration (see above). A key is

needed to unlock this operation.

Since firmeware version 1.09 this function also saves the baud rate setting to

provide to boot with a customized baud rate.

Note : Saving calibration data will overwrite factory settings! Do not use this

function after having called „Calibrate device“ accidentally.

Command/Response : Save Calibration Data

Function code 1 byte 0x65

Key 2 bytes 0xABCD

If the function succeeds the response is equal to the received command

otherwise an error response is send.

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