ICP DAS USA M-7026, User Manual

Page: 15 / 185

M-7026 User Manual Rev: 1.5 Date: 2016/03/10
15
1.8 Calibration
Warning : It is not recommended that calibration be performed until the
process is fully understood.
1.8.1 Analog Input
The Analog Input calibration procedure is as follows:
1.
Warm up the module for 30 minutes.
2.
Set the Type Code to the type you wish to calibrate. Refer to
Section 2.18 for details.
3.
Enable calibration. Refer to Section 2.47 for details.
4.
Apply the zero calibration voltage/current.
5.
Send the Zero Calibration command. Refer to Section 2.8 for
details.
6.
Apply the span calibration voltage/current.
7.
Send the Span Calibration command. Refer to Section 2.6 for
details.
8.
Repeat steps 3 to 7 three times.
Notes:
1.
The calibration voltage/current source should be connected to
channel 0.
2.
When calibrating Type Code 0D, the jumper for channel 0 should
be set to the “current input” position.
3.
Calibration voltages and currents are shown below.
Calibration Voltage/Current:
Type
Code
08 09 0A 0B 0C 0D
Zero
Input
0 V 0 V 0 V 0 mV 0 mV 0 mA
Span
Input
+10 V +5 V +1 V +500 mV +150 mV +20 mA