8.2 Details on Standard I/O Profile Commands
8.2.1 Asynchronous Data Read/Write Command (DATA_RWA: 20 Hex)
8-5
8
MECHA
TROLINK-III Command Specifications
8.2
Details on Standard I/O Profile Commands
This section provides details on standard I/O profile commands.
8.2.1
Asynchronous Data Read/Write Command
(DATA_RWA: 20 Hex)
The command and response formats are given in the following tables.
Details on the Command Data
CMD
WDC
CMD_CTRL
Command Data
Byte
Command
Byte
Response
0
CMD
0
RCMD
1
WDC
1
RWDC
2
CMD_CTRL
2
CMD_STAT
3
3
4
Command data
4
Response data
5
5
30
30
31
31
Command Code
Setting Range
Setting Unit
(Byte 0)
20 (hex)
−
Description
Command code for standard I/O profile commands.
DATA_RWA (20 hex): Asynchronous Data Read/Write
Watchdog
Setting Range
Setting Unit
(Byte 1)
−
−
Description
Watchdog data for standard I/O profile commands.
This data is not used by the GW3100.
Command Control
Setting Range
Setting Unit
(Bytes 2 and 3)
−
−
Description
Command control for standard I/O profile commands.
Bit 3: ALM_CLR (Clear Communications Alarm/Warning)
0: Disabled, 1: Clear
Command Data
Setting Range
Setting Unit
(Bytes 4 and higher)
−
−
Description
Data area for commands to M-II slave devices.
The contents depends on the operating modes and parameter settings.
