Mechatrolink Message Communication Sub Functions - YASKAWA VIPA IM 053ML Manual

Deployment
MECHATROLINK-III specification > MECHATROLINK message communication sub functions

4.9.5 MECHATROLINK message communication sub functions

Sub functions
Function Sub function
code
42h 01h
11h
31h
32h
33h
Sub function detail - memory read (01h)
Byte Command
0 Slave address
1 Function code (42h)
2 Extended address
3 Command status
4 Sub function code (01h)
5 MODE/ DATA_TYPE (11h)
6 Number of data bytes
7
8 ... n Start address
...
n
84
Operation
Memory read
Read max. message size
Download request
Download data
Download complete
Normal response
MEM_RD (1Dh)
Function code (42h)
Extended address
Response status
Sub function code (01h)
MODE/ DATA_TYPE (11h)
Number of data bytes
1. data
...
n. data
MODE/DATA_TYPE: Mode/Data type
Bit 7 Bit 6 Bit 5
MODE
MODE: Read mode
Value Reference
0 Reserved by system
1 Volatile memory
Reads from a volatile memory such as SRAM
2 Nonvolatile memory (not supported)
Reads from an nonvolatile memory such as E
3 ... F Reserved by system
Option
-
-
Only for configuration tool
Only for configuration tool
Only for configuration tool
Error response
Slave address
Function code (42h) + 80h (C2h)
Extended address
Response status
Sub function code (01h)
Error code
n 02h: Address error
n 04h: Data type error
Reserved (00h)
Error detected address
Bit 4 Bit 3 Bit 2
DATA_TYPE
2
PROM
HB300 | IM | 053-1ML00 | en | 18-42
VIPA System SLIO
Bit 1 Bit 0