Omron V530-R2000 User Manual page 83

SECTION 7
Host Communications
n Communications Format
The commands are input in ASCII. Either uppercase or lowercase letters may be input.
Inputs
No.
1
2
3
4
5
6
7
Output · 1:1 Connection
V530-R2000
66
User's Manual
· 1:1 Connection
Prefix Command
1 3
· Multidrop Connections (1:N)
Prefix Unit #
2
1
Number of
Item
characters
Prefix 1
Unit # 2
Command 3
Space 1
Parameters Variable
FCS 2
(frame check
sequence)
Suffix 1 or 2
Only the command (3) through the parameters (5) are given in the format descriptions for individual
commands.
Returned
Prefix
contents
· Multidrop Connections (1:N)
Prefix Unit No.
One response is returned for each command. The suffix, FCS, and prefix in
the response are the same as those in the command.
· Only the returned contents when the command could not be executed normally are given in the
format descriptions for individual commands.
· The following contents is returned when a command is executed normally:
Parameters FCS
4 5
Command Parameters
3 4
Input the code used to indicate the beginning of the command format. If
the prefix is set to None in the communications mode, the prefix does
not exist.
When using multidrop connections, set the unit number of the Control-
ler to which the command is to be sent (01 to 31).
Set the unit number to ** to send the command to all connected Con-
trollers.
These characters indicate the operation to be executed.
Insert one space between the command (3) and the parameters (5).
Parameters must be specified depending on the command (3).
Set the parameters, e.g., by inputting a numeric value.
Specify the FCS. If the FCS is set to OFF in the communications mode,
the FCS does not exist.
Input the code used to indicate the end of the command format.
FCS Suffix
Returned
FCS
contents
Suffix
6 7
FCS Suffix
5 6
Description
Suffix
E R
7