Command and Response Frame Structures
Section 5-2
5-6
5-2-3 Command Code List
There are four major types of commands.
(1) Communications command
This command communicates with a Tag.
(2) System command
This command accesses to the system area of a Tag.
(3) Reader/Writer control command
This command controls the Reader/Writer, e.g. stopping a command in process, and/or resetting.
(4) Setting command
This command sets the system of the Reader/Writer.
Command
type
Command
code
Command name
Description
Remarks
RD
Read
Reads data from a Tag memory.
WT
Write
Writes data to a Tag memory.
PR
Polling Read
Executes a Single Auto Read through Polling processing.
PW
Polling Write
Executes a Single Auto Write through Polling processing.
PC
Polling Check
Inquires the Reader/Writer under Polling processing.
PE
Polling Cancel
Cancels Polling processing.
MC
Memory Check
Compares check codes in Tag memory.
I.CODE1 Mode Only
Communi-
cations
Command
MK Memory
Calculation Calculates check codes in Tag memory.
I.CODE1 Mode Only
SR
System Read
Reads system information of a Tag.
ISO Mode Only
SW
System Write
Sets AFI, DSFID and EAS of a Tag.
ISO Mode Only
SL
System Lock
Locks AFI, DSFID and EAS of a Tag.
ISO Mode Only
ES
EAS Setting
Enables or disables the EAS command.
I.CODE1 Mode Only
QB
QuietBit Setting
Sets QuietBit
I.CODE1 Mode Only
LK Lock
Write-protects Tag memory by page. Once a page has been write-
protected, the write protection cannot be cleared.
System
Command
EA
EAS Check
Checks EAS.
ST
Stop
Stops the communications with a Tag.
XZ
Reset
Resets the Reader/Writer after receiving a command.
AK ACK
In a case where the system under ACK/NACK control cannot receive
a response properly, send this command to the Reader/Writer.
NK NACK
In a case where the system under ACK/NACK control cannot receive
a response properly, send this command to the Reader/Writer.
CC
I/O Control
Changes and reads user input and output.
TS
Test
Sends the data received from the host back to the host.
Reader/
Writer
Control
Command
VS
Version
Reads the software version of the Reader/Writer.
AE
AFI Enable/diable
Changeover
Sets whether AFI is used or not when communicating with a Tag.
ISO Mode Only
AF
AFI Reading
Sets AFI in the Reader/Writer.
ISO Mode Only
FC
Family Code Setting
Sets a Family Code in the Reader/Writer.
I.CODE1 Mode Only
AI
Application ID Setting Sets an Application ID in the Reader/Writer.
I.CODE1 Mode Only
SN
UID (SNR) Additional
Setting
Sets whethr or not UID (SNR) will be added to a read response.
NN
Node No.
Sets the node number in the Reader/Writer.
CP
Communications Port
Setting
Sets the baud rate, data length, parity bit, stop bit, ACAK/NAK con-
trol, timeout period, BCC addition, etc, in the Reader/Writer.
CT
Communications Type
Setting
Sets the communications type in the Reader/Writer.
CM
Tag Communications
Mode
Set the Tag communications mode in the Reader/Writer.
AC
Antenna Changeover Sets the antenna changeover in the Reader/Writer.
TM
Terminal Resistance
Sets the terminal resistance for RS485 in the Reader/Writer.
FL
Offline Mode Setting
Sets which mode the Reader/Writer will start online or offline.
IS
Initialization of Setting Reset the Reader/Writer to the factory settings.
EW EEPROM
writing
Saves the settings of the Reader/Writer.
(EEPROM write-
Æ
Setting value write)
Setting
Command
TY
I.CODE1/2 Change-
over
Switches between I.CODE1 and I.CODE2.
Содержание V720S Series
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Страница 137: ...8 1 SECTION 8 Appendix Appendix 1 Accessories 8 2 Appendix 2 ASCII Code Table 8 3 ...
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