Omron V600 Series User Manual

94
Section 5 Communications Commands
RFID System
Operation Manual
Section 5
Communications
■ 1:N Communications
Less than 242 Characters in Read Data
More Than 240 Characters in Read Data
Data code specification Specifies the type of code in which to send the read data in the response.
A: ASCII
H: Hexadecimal
R/W Head No. Specifies the Read/Write Head with which to communicate.
1: Read/Write Head 1
2: Read/Write Head 2
Read area start address Specifies the first address from which to read data from the Data Carrier as a four-digit hexadeci-
mal number.
Specifiable range: 0000H to FFFFH
No. of read bytes Specifies the number of bytes of data to read from the Data Carrier as a four-digit hexadecimal
number. Up to 8192 bytes can be read with one command.
Specifiable range: 0001H to 2000H
• ASCII specification: 8192 bytes (8192 characters)
• Hexadecimal code specification: 8192 bytes (16384 characters)
End code Indicates the results of command execution. An end code of 00 is returned for a normal end.
Refer to End Codes for more information.
p.135
Read data The data read from Data Carrier memory. The number of characters will be the same as the number of
read bytes for ASCII data and twice the number of read bytes for hexadecimal data.
xx
ER
xx
A/H 1/2
xx
211 4
4
No. of read bytes
2
*CR
Terminator
xxxx
2
FCS
3
Controller No.
x
@ x
Command code
Read area start address
Data code
specifica-
tion
R/W Head No.
Command
Response
x
ER
x
00
xx
22 n
2
*CR
xx
2
FC S
3
x
@ x
Controller No.
Command
code
End code
Read data
Terminator
ER
CR
CR
CR
CR
00
FCS
FCS
FCS
FCS
@Controller No.
@Controller No.
@Controller No.
@Controller No.
240 characters
1 frame = 250 characters max.
240 characters
240 characters or less
Read data 1
Read data 2
Read data n-1
Read data n
*
:
Frame 1
Frame 2
Frame n-1
Frame n
20 ms
A/H 1/2ER
FCS
@Controller No.
Start address No. of read bytes
*CR
Host device
ID Controller

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