Mesulog Modbus Steps Help
Conventions
What's New in Modbus Steps
Modbus Steps 1.0
Features
Compatibility and Known Issues
Bug Fixes
Modbus Steps Licensing Options
Modbus Steps Evaluation Mode
Modbus Steps Development License
Modbus Steps Reference
Step Configuration and Settings
Connection Name
Execution Trace and Steps Variables
Open/Close Functions
Open TCP
Open RTU over TCP
Open Serial
Change Unit ID
Close
Standard Functions
Read Coils (F01)
Read Discrete Inputs (F02)
Read Holding Registers (F03)
Read Input Registers (F04)
Write Single Coil (F05)
Write Single Register (F06)
Read Exception Status (F07)
Write Multiple Coils (F15)
Write Multiple Registers (F16)
Mask Write Registers (F22)
Read/Write Multiple Registers (F23)
Read Device Identification (F43)
Custom Functions
Custom Function (Fxx)
How to add a custom Modbus function
Copy Step Type Definition
Place your function in Insertion Palette
Send and read Data
Technical Support
Where to find help
Prerequisites
Installing Modbus Steps
Uninstalling Modbus Steps
Activating Your Software
License Status
Specific Error Codes
Important Information
Warranty
Copyright
Trademarks
Warning regarding use of MESULOG products