35
Types of Commands and Responses
Section 4-4
4-4-2
Write (WT)
Writes data to the Data Carrier. If the Data Carrier is missing, an error
response (end code: 72 = Data Carrier missing) is returned.
Command Format
Response Format
Note If the Data Carrier is missing, “WT72” is returned.
4-4-3
Expansion Read Command (XR)
Performs batch read processing of up to 2 KB. The processing procedure to
the DC is the same as that of the read command.
Command Format
Response Format
If the number of characters of read data is greater than 250, the frame is
divided as follows:
W T A/H 1 X X X X X X X X
1 frame = 266 characters max.
∗
Header
ASCII/HEX code specification
A: ASCII code, JIS 8 code
H: HEX code
R/W Head No. specification (fixed to 1)
First address No. specification range
0000-07FF (2KB type)
0000-1FFF (8KB type)
Note: Addresses 0000 and 0001 cannot be
written as these are a production date area.
Specify the number of bytes to be writ
ten. The number of bytes that can be
read at a time is as follows:
ASCII: 256 characters (256 bytes)
HEX: 256 characters (128 bytes)
Write
W T 0 0
Write
End code
00: Normal completion
∗
Header
X R H/A 1 X X X X X X X X CR
Header
ASCII/HEX code specification
No. of bytes read
∗
Terminator
First address
specification
(0000-FFFF)
R/W Head No. specification
(fixed to 1)
X R 0 0 X X X X X X X X CR
∗
Read data
∗
End code
Header
Summary of Contents for V600 RFID System
Page 1: ...OPERATION MANUAL Cat No Z193 E1 01 Board Type ID Controller V600 RFID System V600 CM1D...
Page 2: ...V600 RFID System V600 CM1D Board Type ID Controller Operation Manual Produced December 2003...
Page 3: ...iv...
Page 7: ...viii...
Page 10: ...xii...
Page 16: ...6 User I O Section 1 4...
Page 24: ...14 Outline Size Section 2 5...
Page 60: ...50 Communication Time Section 4 6...
Page 82: ...72 Index...
Page 84: ...74 Revision History...
Page 87: ...V6001 RFID System V600 CM1D Board Type ID Controller Cat No Z193 E1 01 OPERATION MANUAL...