![background image](http://html.mh-extra.com/html/omron/v600-series/v600-series_user-manual_743003079.webp)
77
RFID System
Operation Manual
Se
ct
io
n 5
Comman
d F
ormat
Section 5
Communications
Command Format
Command and Response Formats
This section describes the format of commands sent from the host device to the ID Controller and the
format of responses returned to the host device.
■
1:1 Communications
■
1:N Communications
The controller number is specified as a decimal value. The specification range is @00 to @31.
for a calculation program for the frame check sequence (FCS).
Name
Description
Command code
Two characters indicating the command. The same two characters are returned in the response to
the command.
Data
The details of the command or response is sent as the data.
•The data specifies the following: ASCII/hexadecimal, processing, and modes.
•The data specified the Read/Write Head to send to and the channel.
•The data specifies the area start address.
•The data specifies the number of bytes to read or write.
Terminator
The terminator indicates the end of the command or response.
Controller No.
With 1:N communications, the controller number (00 to 31) preceded by the at mark (@) must be
added as a decimal value.
FCS (See note.)
With 1:N communications, horizontal parity check data must be added.
x
CR
Command code
Data
Terminator
2
n
2
1 frame = 522 characters max.
*
x
x
x
x
Command code
Data
FCS
2
n
2
1 frame = 527 characters max.
CR
Terminator
2
@
Controller No.
3
x
x
x
x
x
x
x
x
x
*
Summary of Contents for V600 Series
Page 50: ...48 Section 2 Wiring RFID System Operation Manual Section 2 Installation and Wiring MEMO ...
Page 72: ...70 Section 4 Write Command Memory RFID System Operation Manual Section 4 Function ...
Page 138: ...136 Section 5 End Codes RFID System Operation Manual Section 5 Communications MEMO ...