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YASKAWA MP920 - 3 Communications Protocols

YASKAWA MP920
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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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