34
Types of Commands and Responses
Section 4-4
4-4
Types of Commands and Responses
4-4-1
Read (RD)
Reads data from 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, “RD72” is returned.
Frame 1
Frame 2
Frame
(n-1)
Frame n
:
:
1 frame = 266 characters max.
Header A/H 1
First address
Write data 1
CR
CR
Write data (n-1)
Write data 2
Write data n
CR
*
CR
R D A/H 1 X X X X
∗
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)
Specify the number of bytes to be read in
HEX code. The number of bytes that can
be read at a time is as follows:
- ASCII: 256 bytes (256 characters)
- HEX: 128 bytes (256 characters)
Read
∗
No. of
bytes
read
R D 0 0 X X X X
∗
Header
Read data
Read
∗
End code
00: Normal completion
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...