Rockwell-automation 2711P Creating Modbus Applications Manuale Utente Scaricare il pdf (Pagina 28)

Publication 2711P-UM002B-EN-P - March 2007

28 Configuring KEPServer Drivers for Modbus

Step 8 - Set the Block Size for Reading Data from Device

(Doesn’t apply to Unsolicited Serial Protocol)

The New Device - Block Sizes dialog sets the largest block size for

reading I/O (coils) and data tables (Registers). Click Next.

Modbus Unsolicited Serial and Modbus ASCII

Modbus/TCP, Modbus RTU Serial, Modbus ASCII

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 91 92

Applications 1
Important User Information 2
Table of Contents 3
4 Table of Contents 4
Appendix E 5
Modbus (RTU) Serial Address 5
Definitions 5
6 Table of Contents 6
Topics Covered 7
Software Requirements 8
Additional Resources 8
Installing Software 9
Install KEPServer 10
Enterprise 10
Firmware Upgrade Wizard 10
Modbus KEPServer Drivers 11
Modbus Master/Slave Networks 12
Modbus ASCII 13
Modbus/TCP 13
Modbus Applications 14
Guidelines for Developing 14
Objectives 15
Create a Project File 15
Select the Default Project 16
File (.pfe) 16
Configure Drivers for 17
Modbus Protocols 17
Modbus/TCP Modbus Ethernet 18
Modbus RTU Serial 19
Modbus Unsolicited Serial 19
Step 9 - Save Project File 23
Add A Device 24
Step 4 - Select a Device ID 25
Step 11 - Save Project File 31
Create Tags 32
Use the OPC Quick Client 35
Available in RSView Studio 37
Browse KEPServer Tags 39
Copy FUP Files to 42
Development Computer 42
Upgrade Firmware using a 42
Compact Flash Card 42
IMPORTANT 43
Network (Ethernet) 46
Connection 46
PanelView Plus CE 1000 48
PanelView Plus CE 1250 48
PanelView Plus CE 700 48
Application 53
Download Application to 54
Terminal 54
Load Application 55
[F1] button 55
Connect Terminal to 56
Modbus Network 56
Modbus Ethernet Cables 57
Run Application 58
Troubleshooting 59
Data Types 61
62 Data Types 62
Appendix 63
Output Coils 63
Input Coils 63
Internal Registers 64
Holding Registers 65
String Support 66
Mailbox Addressing 67
Instromet Addressing 68
Output Coils 69
Magnetek Address 81
Descriptions 81
Elliott Flow Computer 82
Address Descriptions 82
Omni Address Descriptions 83
Daniel S500 Address 88
90 Index 90
Rockwell Automation 92

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