ICP DAS USA MDC-700 Series - Faq; Q1: What Are the Maximum Numbers of Polling Definition and Local Register; Q2: What Is the Maximum Number of Registers Can be Accessed in One Modbus Command

58 pages

To Next Page

To Previous Page

7. FAQ

Q1: What are the maximum numbers of polling definition and local register?

A1: The maximum number of polling definition in a MDC-700 is 250, each definition can access up to

125 registers. Each of the four tables (DI/DO/AI/DO) can store up to 9600 registers for polled data.

Q2: What is the maximum number of registers can be accessed in one Modbus

command?

A2: By following the Modbus protocol, the maximum amount of registers that one command can

access is 255 of function code 01 and 02, and 126 of function code 03 and 04.

Other manuals for ICP DAS USA MDC-700 Series