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M-7026
M-7026 User Manual Rev: 1.5 Date: 2016/03/10
154
3. Modbus RTU Protocol
The Modbus protocol was developed by Modicon Inc., and was
originally designed for Modicon controllers. Detailed information
can be found at
You can also visit
for more valuable information.
Function Code
Description
Section
02 (0x02)
Reads the status of the Digital Input
channels
3.1
04 (0x04)
Reads the Analog Input channels
3.2
05 (0x05)
Writes to a single Digital Output
channel
3.3
06 (0x05)
Writes to a single Analog Output
channel
3.4
16 (0x10)
Writes to Analog Output channels
3.5
70 (0x46)
Reads/writes the module settings
3.6
Error Responses
Number Description
Length
Value
00
Address
1 Byte
1 to 247
01
Function Code
1 Byte
Function code + 0x80
02
Exception Code
1 Byte
01
Note:
If a CRC mismatch occurs, the module will not respond.
Содержание M-7026
Страница 8: ...M 7026 User Manual Rev 1 5 Date 2016 03 10 8 1 3 Pin Assignments...
Страница 12: ...M 7026 User Manual Rev 1 5 Date 2016 03 10 12 1 5 Block Diagram...
Страница 13: ...M 7026 User Manual Rev 1 5 Date 2016 03 10 13 1 6 Application Wiring...
Страница 39: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 39 Related Topics Section 1 8 1 Analog Input Calibration...
Страница 41: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 41 Related Topics Section 1 8 2 Analog Output Calibration...
Страница 43: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 43 Section 1 8 1 Analog Input Calibration...
Страница 45: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 45 Related Topics Section 1 8 2 Analog Output Calibration...
Страница 47: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 47 Section 5 1 INIT Mode...
Страница 57: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 57 Section 1 9 5 Analog Output Type Codes and Data Format...
Страница 65: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 65 Section 1 9 5 Analog Output Type Codes and Data Format...
Страница 90: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 90 Section 5 2 Dual Watchdog Operation...
Страница 106: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 106 Section 2 35 AAS1 Related Topics Section 1 8 Calibration...
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Страница 129: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 129 Related Commands Section 2 61 AADI...
Страница 137: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 137 AARAO Section 2 70 AARHCi Section 2 73 AARLCi...
Страница 141: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 141 Related Commands Section 2 53 AACECi...
Страница 143: ...M 7026 M 7026 User Manual Rev 1 5 Date 2016 03 10 143 Section 1 9 4 Analog Input Type Codes and Data Format...
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