3 communications protocols, Communications protocols – Yaskawa MP920 Communications Module User Manual

Page 33

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3-1

3

3

Communications Protocols

This chapter describes the communications protocol and transmission parame-
ter settings in the Setting Parameters. These settings are the same for all of the
Communications Modules.

3.1 Overview of Communications Protocols - - - - - - - - - - - - - - - 3-2

3.1.1 List of Communications Protocols - - - - - - - - - - - - - - - - - - - - - - - - - - 3-2
3.1.2 Communications Protocols and Message Communications - - - - - - - 3-3

3.2 Protocol Functions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-4

3.2.1 Extended MEMOBUS Protocol - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-4
3.2.2 MEMOBUS Protocol - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-6
3.2.3 MELSEC-A Protocol - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-7
3.2.4 OMRON Protocol - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-10
3.2.5 No Protocol Mode (Through Mode) - - - - - - - - - - - - - - - - - - - - - - - - 3-12

3.3 Sample Programming Example - - - - - - - - - - - - - - - - - - - - 3-13

3.3.1 Master Function - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-13
3.3.2 Slave Function - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-15

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