ICP DAS USA I-7021, Руководство пользователя

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I-7021/22/24, M-7022/24/28 User Manual, Rev: B2.3 32
I-7024/24R/M-7024/24R Voltage Output Calibration
(for firmware version A2.9 and earlier)
1.
Connect a voltage meter to the voltage output channel
0 terminal of the module.
2. Warm up the module for at least 30 minutes.
3. Set the type code to 33, -10 V ~ +10 V. Refer to
Section 2.1 for details.
4. Send command to output -10 V. Refer to Section. 2.4
for details.
5. Repeat to send the trim command and check the meter
until the meter’s reading is nearest to –10 V. Refer to
Section 2.11 for details of sending the trim command.
6. Send the –10 V calibration command. Refer to Section
2. 6 for details.
7. Send command to 10 V. Refer to Section. 2.4
for details.
8. Repeat to send the trim command and check the meter
until the meter’s reading is nearest to +10 V. Refer to
Section 2.11 for details of sending the trim command.
9. Send the 10 V calibration command. Refer to Sections
2.8 for details.
10. Repeat steps 1 to 9 for channel 1, 2 and 3.
Note:
The M-7024/24R must be switched to the DCON protocol mode
before calibrating. Refer to Sections 1.12.1 for details of the
switching protocol.