Omron V600 Series User Manual

77
RFID System
Operation Manual
Section 5 Command Format
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.
Note: Refer to FCS Calculation Example for a calculation program for the frame check sequence (FCS).
p.81
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
n2
1 frame = 522 characters max.
*
x
x
x
x
Command code Data FCS
2
n2
1 frame = 527 characters max.
CR
Terminator
2
@
Controller No.
3
x
x
x
xx
xx
x
x
*

Omron V600 Series Specifications

General

Operating Frequency	13.56 MHz
Supported Standards	ISO 15693, ISO 18000-3
Read Range	Up to 70 mm (depending on tag and environment)
Power Supply	24 VDC ±10%
Operating Temperature	-10 to 55°C (with no icing or condensation)
Humidity	35% to 85% (non-condensing)
Communication Interface	RS-232C