ICP DAS, ZT-2017 and ZT-2017C AI Series User Manual, Version 1.0.1
Page 27
Copyright © 2012 by ICP DAS Co., Ltd. All Rights Reserved.
5
Calibration
Warning
Performing calibration is not recommended until the process is fully understood.
The calibration procedure is as follows:
1.
Warm up the module for at least 30 minutes.
2.
Set the type code to the type you wish to calibrate. Refer to Sections 1.8 and
2.10 for details.
3.
Enable calibration. Refer to Section 2.20 for details.
4.
Apply the zero calibration voltage/current.
5.
Send the zero calibration command. Refer to Section 2.5 for details.
6.
Apply the span calibration voltage/current.
7.
Send the span calibration command. Refer to Section 2.4 for details.
8.
Repeat steps 3 to 7 three times.
Notes
1.
Connect the calibration voltage/current source to channel 0.
2.
Calibration voltages and currents are shown below.
3.
Switch to DCON protocol mode before calibrating the module. Refer to Section
1.5 for details of how to switch protocols.
