Industrial UHF read/write head|reader|reader CK-UR08-A01 register configuration method and strategy

Industrial UHF Read/Write Head|Reader|Card Reader CK-UR08-A01 Some registers are used to set the device address, communication baud rate, communication verification method and the working mode of the card reader, and some registers are used for display RFID card detection status and display command execution is normal, the set value of the settable register is saved after power-off, and the card reader will work with the current set value after power-on again.

The following will focus on the configuration method and strategy of industrial UHF read/write head|reader|reader CK-UR08-A01 register.

Table 1 Reader configuration register

address	0x0000	0x0001	0x0002	0x0003	0x0004	0x0005	0x0006	0x0007	0x0008
definition	Device address	Baud rate	Parity check	Card reader mode	Number of labels	Read and write area	Read and write start address	Inventory mode	Antenna switch
Comment	Default 2	115200 bps	No verification by default	Modbus RTU	Number of scan labels	Default User area	Default is 0	Default is 0	Default on

 

address	0x0009	0x000A	0x000B	0x000C
definition	Keep	Keep	Keep	Keep
Comment

 

1. Device address register add=0x0000

Register 0x0000 is used to save the slave ID of the device. When the device address is to be changed, write the corresponding ID number to the register. For example, if the device address is 0x01, write 0x01.

1. ID=0 is the broadcast address, any device can receive ID.
2. If the data of this register is 0xffff, it is the default factory device address 0x02.
3. Use MODUBUS function code: 03 06 16, other function codes return error codes.
4. Factory default value: Slave ID =0x0002.

2. Baud rate setting register add=0x0001

Write different values ​​to this register to change different baud rates. The relationship between baud rate and value is:

Table 2 Correspondence table of baud rate and register setting value

Baud rate	Register value (H)
4800	0001
9600	0002
19200	0003
38400	0004
115200	0005
115200	FFFF
invalid	Other value

1. If the data in this register is 0xffff, it is the default factory baud rate of 115200.
2. Use MODUBUS function code: 03 06 16, other function codes return error codes.
3. Factory default value: baud rate=115200pbs.

3. Parity check bit setting register add=0x0002

Write different values ​​to this register to set the verification mode. The relationship between the verification mode and the value is:

Table 3 Correspondence table between parity check and register setting value

Verification method	Register value (H)
No verification	0001
Even parity	0002
Odd parity	0003
No verification	FFFF
invalid	Other value

1. Use MODUBUS function code: 03 06 16, other function codes return error codes.
2. Factory default value: no check digit.

4. Card reader mode register add=0x0003

Write different values ​​to this register to set different modes. The relationship between mode and value is:

Table 4 Correspondence table of card reader working mode and setting value

Card reader mode	Register value (H)
Standard MODBUS	0001
Standard MODBUS	FFFF
invalid	Other value

Mode function definition:

Standard MODBUS : Standard MODBUS RTU communication mode, one answer and one answer

5. The number of tags register add=0x0004

The tag quantity register is used to display the number of tags scanned by the card reader in normal use. The maximum number of tags that can be read is 10.

Note: When there is no tag in the sensing range, if the tag is read and written, the card reader will not be able to complete the operation normally. If there is no label, the register value returned after the read operation is 0.

6. Read and write area register add=0x0005

The read-write area register defaults to 3, which is the User area. When operating the tag, directly manipulate the User area data of the tag. The tag's read-write area is allocated as follows:

Table 5 Label reading and writing area

Carrier code body	Data area	R/W
label	RFU storage area	Read and write
	EPC storage area	Read and write
	TID storage area	Read only
	USER storage area	Read and write

Note : The value recognized by the card reader when identifying the tag is the EPC value, which is stored in the register starting from the address 0x0002 of the EPC storage area, and the size of each register is 2 Bytes.

The corresponding relationship between the area of ​​the read-write area register and the value is as follows:

Table 6 Read and write area

Read and write area	Register value (H)
RFU storage area	0000
EPC storage area	0001
TID storage area	0002
EPC storage area	0003
EPC storage area	FFFF
invalid	Other value

 

7. Read and write start address register add=0x0006

This register can set the read and write start address of the read and write area, the default is 0.

​​​​​​​​​​​​​​8, inventory mode register add=0x0007

This register can be set to inventory mode, which is closed by default. The corresponding relationship is as follows:

Table 7 Inventory mode

Inventory mode	Register value (H)
Non-inventory mode	0000
Inventory mode	0001
Non-inventory mode	FFFF
invalid	Other value

 

9、天线开关寄存器 add=0x0008

该寄存器可配置天线开关，默认开启天线，当天线关闭后，无法寻卡。掉电不保存，对应关系如下：

表 8 天线开关

天线开关	寄存器数值(H)
关闭天线	0000
开启天线	0001
开启天线	FFFF
无效	其他值

 

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