Overview Of Communications Protocols; List Of Communications Protocols - YASKAWA MP920 User Manual

3 Communications Protocols

3.1.1 List of Communications Protocols

3.1

Overview of Communications Protocols

3.1.1
This section describes the communications protocols and the message communications methods.

List of Communications Protocols

This section gives an overview of the communications protocols used in message communi-
cations. The following communications protocols are supported for the MP900-Series
Machine Controller. The protocols that can be used depend on the Communications Module.
No. Communications
Protocols
1 Extended MEMO-
BUS
2 MEMOBUS
3
MELSEC-A
4
OMRON
5 No protocol
(Through mode)
* 1. "Standard Serial" indicates the standard serial port on a CPU Module.
* 2. Some parts of the data format differ between the 215IF and the 218IF.
* 3. When the MEMOBUS protocol is used with the 218IF, only the Slave
(MSG-RCV) function can be used with the MP900-Series Machine
Controllers.
Note: Yes: Protocol supported by the Module.
No: Protocol not supported by the Module.
Table 3.1 List of Communications Protocols
215IF 216IF 218IF
Yes No Yes
No Yes *3
Yes
No Yes Yes
No Yes No
Yes Yes Yes
3-2
Standard Overview
*1
Serial
No
Extends the functions of the
MEMOBUS protocol.
Yes
Yaskawa's standard protocol
conventionally used with
RS-232C.
Yes
MELSEC-A protocol for
connection to Controllers
manufactured by Mitsubishi
Electric Corporation.
No
OMRON communications
protocol for connection to
Controllers manufactured by
OMRON Corporation.
Yes
Protocol used to implement
the custom protocols.
*2