7.4 Data Flow (MD911 slave mode)
Unified Controller nv series MODBUS (MD911) Module Instruction Manual
67
Example 2. Read coil status
Num. of registers
Start address
Read coil status request
MD911
Slave
Master
Read coil status request
Station No.
Function code
CRC
(Upper)
(Lower)
(Upper)
(Lower)
Module parameters
Download
Scan memory
0
15
The scan block
corresponding
the the coil
write-in area
TC-net I/O bus
scan
Station No.
Function code
Num. of bytes
data
CRC
Coil1
Coil2
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 ...