Inovance MD520 Series

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Modbus Communication

‑23‑

Figure 3‑3 Daisy chain

Figure 3‑4 Branch connection

It is recommended that the distance between the bus and the node do not exceed 3

Main Page

Preface2
Table of Contents4
Safety Precautions7
Parameter Communication Addresses13
Parameter Data13
Modbus-Specific Parameter Communication Addresses14
List of Communication Protocols20
Modbus Communication21
Introduction21
Networking and Interfaces21
Transmission Mode27
Data Frame Structure27
Related Parameters31
Communication Configurations32
Configuration of RS485 Communication between AC Drive and H5U32
Configuration of RS485 Communication between AC Drive and AM60037
Canopen & Canlink Communication45
Introduction45
Networking and Interfaces49
Related Parameters53
Application55
Data Frame Structure55
Operation Instance (SDO)56
Operation Instance (PDO)59
Communication Configurations61
Configuration of Canlink Communication between AC Drive and H5U61
Configuration of Canopen Communication between AC Drive and H5U66
Communication Faults72
Emergency Message and AC Drive Faults72
Simple Diagnosis73
PROFINET Communication75
Introduction75
Installation75
Interface Layout and Description76
Topology78
Data Transmission Formats80
PZD Data82
Related Parameters84
Communication Configurations85
Configuring Slaves on the S7-1200 Master85
MRP Function of the MD500-PN1 Card98
Fault Diagnosis99
Communication Faults99
Troubleshooting99
Ethercat Communication106
Introduction106
Installation106
Interface Layout and Description107
Topology109
PDO Data109
SDO Mailbox Data111
Related Parameters111
Communication Configurations117
Communication Instance of Controlling MD520 with an Omron Controller117
Communication Instance of Controlling MD520 with an H5U Controller123
Communication Instance of Controlling MD520 with an AM600 Controller127
Communication Instance of Controlling MD520 with a Beckhoff Controller131
Fault Diagnosis141
ECAT Card Communication Faults141
PROFIBUS DP Communication144
Introduction144
Installation144
Interface Layout and Description145
Topology and Transmission Distance148
Protocol Description150
Related Parameters155
AC Drive Communication Card Type Setting155
Communication Control Parameters156
Communication Configurations157
Configuring a Slave on the S7-300 Master in STEP 7 V5.4157
Configuring a Slave on the S7-1200 Master in TIA Portal V13163
Performing Periodic Read/Write Operations on the AC Drive Slave172
Performing Aperiodic Read/Write Operations on the AC Drive Slave174
Fault Diagnosis177
Troubleshooting177
MD-SI-DP1 Communication184
Introduction184
Installation184
Interface Layout and Description186
Topology and Transmission Distance188
Protocol Description190
Related Parameters194
Parameters Related to Communication194
Communication Configurations199
Communication Instance Description199
Configuring a Slave on the S7-300 Master in STEP 7 V5.4199
Configuring a Slave on the S7-1200 Master in TIA Portal V13205
Performing Periodic Read/Write Operations on the AC Drive Slave214
Performing Aperiodic Read/Write Operations on the AC Drive Slave216
Diagnosis219
Fault Diagnosis221
Troubleshooting221
Ethernet/Ip Communication228
Introduction228
Installation228
Interface Layout and Description229
Topology231
Protocol Description232
I/O Messages232
Data Sent by the Master233
Data Returned by the AC Drive233
Related Parameters234
AC Drive Communication Card Type Setting234
MD500-EN1 Card IP Address Configuration235
Parameters Related to AC Drive Communication Card238
Communication Control Parameters238
Communication Monitoring Parameters239
Communication Configurations242
Using an MD500-EN1 Expansion Card on an Allen-Bradley L16ER Master242
Using an MD500-EN1 Expansion Card on an Inovance AM600 Master254
Fault Diagnosis256
Troubleshooting256

Inovance MD520 Series - Page 24

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