Set/Read Commands For Remote I/O Communications - Omron OMNUC W Series Manual

6 DeviceNet Communications

6.5.4 Set/Read Commands for Remote I/O Communications

6.5.4 Set/Read Commands for Remote I/O Communications
Byte
0
1
2
3
4
5
6
7
6
This section explains set/read commands for Remote I/O communications.
Commands
Details on bytes 1 to 7 of the commands for set/read commands (MOD = 1) are shown
below.
The response type does not need to be specified for set/read commands.
Table 6.8 Set/Read Commands
Bit 7 Bit 6 Bit 5
1 0 ALRST
0
Command Codes
A list of command codes is shown in the following table. Set "No-operation" for commands
that will not be executed.
The command codes in the responses will basically be a copy of the command codes in the
commands. A warning for parameter setting error will be returned when the parameter num-
ber is different or the data is outside the setting range for the parameter.
Table 6.9 Command Codes
Command Code
0000 (0 Hex)
No-operation
1000 (8 Hex) Parameter Read Command
1001 (9 Hex) Parameter Write Command
1010 (A Hex) Present Position Setting Command
1011 (B Hex) Origin Setting Command
1100 (C Hex)
Alarm Read Command
1101 (D Hex) Monitor Mode Read Command
1110 (E Hex) Unit Reset Command
Bit 4 Bit 3 Bit 2
STOP 0 0
Command code
Command number
Command data
Description
6-34
Bit 1 Bit 0
General
SVON C_STRT
command
bit