ModChk app for iPhone and iPad

Need a better way to solve your MODBUS problems? Want to TEST, DIAGNOSE and CONFIGURE your Modbus devices and networks over the Internet?

GET MODCHK!

Configure and test all on ONE SCREEN:
- Read coils, discretes, input registers and holding registers,
- Write coils and holding registers.

SELECT the address:
- IP address or domain name
- Port number
- Modbus device number and
- Modicon register address.

SELECT protocols:
- RTU, ASCII or Modbus/TCP and
- UDP or TCP.

SELECT and display register format:
- Integer 16 bit
- Unsigned integer 16 bit
- Integer 8 bit
- IEEE floating point 32 bit
- Value in Hexadecimal is always reported.

SELECT log output:
- Basic - request, response and round trip time or
- Detailed - Basic plus network connections and packets.

Network failures and Modbus exceptions are reported.

A BUILT-IN MODBUS SLAVE is included:
- To test, diagnose and configure external software (UDP, TCP, RTU, ASCII and Modbus/TCP)
- For internal testing to become familiar with ModChks capabilities.

Easy to create and switch between MULTIPLE TEST CASES.