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Modbus Organization

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Witte Software

Modbus Poll

Type:  Software - Testing and Simulation
Description:  Modbus Poll is a master simulator for test and debug of slave devices.
Connectivity:  Modbus RTU, Modbus ASCII, Modbus TCP/IP
Features:  OLE Automation means easy interface to Visual Basic, use it almost like an ActiveX component. See VBExample.vbp; Read/write of up to 127 Registers; Read/write of up to 2000 Inputs/Coils; Compose your own test strings; Print and print preview; Monitoring of serial data traffic; Data logging to text file ready for import in Microsoft Excel; Context sensitive help 10 Display formats such as float, double etc.; Adjustable Address Base (0 or 1); Font and color selection; Broadcast (slave ID 0); Easy control of RS-485 converters with RTS toggle
Specifications:  Supported Modbus Functions: 01: Read coil status; 02: Read input status; 03: Read holding register; 04: Read input registers; 05: Force single coil; 06: Preset single register; 15: Force multiple coils; 16: Preset multiple registers; 22: Mask write; Register; 23: Read/Write registers