Modbus Plus X-Link Driver User’s Guide
37
Contents
1. Introduction........................................................... 39
1.1 What is the Modbus Plus Driver? ............................. 39
1.2 Why Do I Need This Manual?.................................. 40
1.3 How Do I Use This Manual? .................................... 41
1.4 Where Can I Find More Help? ................................. 42
2. Communication..................................................... 43
2.1 Requirements ............................................................ 44
2.2 Compatibilities.......................................................... 44
3. Configuration ........................................................ 45
3.1 Configuration Parameters ......................................... 46
4. Mappings............................................................... 47
4.1 Data Types and Lengths ........................................... 48
4.2 Source Accesses ....................................................... 49
4.3 Destination Accesses ................................................ 50
4.4 Local Addresses........................................................ 51
4.5 External Addresses ................................................... 51
4.6 Status Counters ......................................................... 52
5. Troubleshooting ................................................... 53
6. Specification ......................................................... 55
6.1 Driver CMOS Storage Requirements ....................... 55