7.3 Data Flow (MD911 master mode)
Unified Controller nv series MODBUS (MD911) Module Instruction Manual
63
Example 2. Read coil status
Read coil status request
Scan memory 0
15
The scan block
corresponding to
the user request
parameters
Coil1
Coil2
User request parameters
User request parameters
Slave
Master
Read coil status reply
Download
Station No.
Function code
Start address
Num. of registers
CRC
(Upper)
(Lower)
(Upper)
(Lower)
TC-net I/O bus
scan
Station No.
Function code
Num. of bytes
Data
CRC
Содержание MD911
Страница 1: ...6F8C1399 Instruction Manual MODBUS MD911 Module Unified Controller nv Series ...
Страница 60: ...Chapter 3 Setting 6F8C1399 48 ...
Страница 63: ...51 Chapter 5 Troubleshooting This chapter describes troubleshooting for the MD911 module ...
Страница 85: ...73 Appendix B Outside Dimensions ...
Страница 87: ...75 Appendix C Related Products ...
Страница 89: ...77 Appendix D Decimal hexadecimal Conversion Table ...
Страница 92: ...Appendix D Decimal hexadecimal Conversion Table 6F8C1399 80 ...
Страница 94: ...1399 1 1012 ...