CAS Modbus Scanner
What is the CAS Modbus Scanner?
CAS Modbus Scanner is a utility to retrieve coils, inputs, holding registers, and input registers from a Modbus-enabled device. Values retrieved from the device can be viewed in many different formats, including Binary, HEX, Uint16, Int16, Uint32, Int32, and Float32.
This utility can also discover Modbus devices on your network if you do not know their address. It works by testing every address, function, length, and offset to check for exceptions or responses.
Please Read the License Agreement before downloading this utility.
For a manual on how to use the Modbus Scanner, Please download the Modbus for Field Technicians Booklet and look at Section 19.
Learning about Modbus? Want to update your Modbus knowledge? This free EBook will guide you through basic and advanced Modbus topics.
APPLICATION and System Requirements
Use the CAS Modbus Scanner to find the correct port settings and the correct slave address. The tool automates the process of trying all the combinations and reports the results.
The tool works for RS232 and RS485 by allowing you to search for a single device or multiple slaves. To connect to a RS485 network from your laptop you simply need a USB-to-485 converter.