9 Communication
9.1 Overview ...........................................
589
9.2 Serial Port .........................................
590
9.2.1 Hardware and Communication
Cable ..........................................
590
9.2.2 Setting Communication
Protocols ....................................
591
9.3 HMI Monitoring Protocol ...................
597
9.4 Modbus Protocol ...............................
598
9.4.1 Modbus Master Station
Communication ..........................
598
9.4.2 Modbus Slave Station
Communication ..........................
602
9.4.3 Modbus Parameter Numbers
and Data Addressing ..................
604
9.4.4 Programming Method for
Communication Among Multiple
PLCs Through Modbus
Protocols ...................................
610
9.5 Modbus Conguration and Usage ....
613
9.5.1 Protocol Setting Method for
Modbus Conguration Table ......
613
9.5.2 Setting the Modbus
Conguration Table ....................
614
9.6 CANlink Communication ...................
616
9.6.1 Principle of CANlink3.0
Communication ..........................
616
9.6.2 CANlink Network .......................
617
9.6.3 CANlink Software
Conguration ..............................
622
9.6.4 Examples of Slave Station
(Servo and AC Drive) Access .....
630
9.6.5 Troubleshooting for CANlink
Communication ..........................
634
9.7 CANopen Communication ................
635
9.7.1 CANopen Protocol Selection ....
635
9.7.2 CANopen Indicators ..................
636
9.7.3 Denitions of CANopen
Acronyms ...................................
636
9.7.4 CANopen Conguration ............
637
9.7.5 Troubleshooting for CANopen
Communication ..........................
648
9.7.6 List of Fault Codes ....................
648
9.8 Ethernet Communication ..................
651
9.8.1 Hardware Interface and IP
Settings ......................................
651
9.8.2 Ethernet Conguration ..............
652
9.8.3 Soft Element Access Addresses
When the H3U PLC Serves as
a Slave Station ...........................
654
9.8.4 Special Ethernet Soft Elements
655
9.8.5 Detecting H3U PLC Connection
Faults .........................................
655
9.8.6 Downloading over the Ethernet
and Monitoring ...........................
656