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