53/70
“LS Ubiquitous RF-ID System”
z
Receiving Frame Structure (normal receiving)
No.
Items
Value
Description
1 Start
Byte
F0
Byte indicating the start of Receiving Frame (set as F0)
2 Station
ID
00
Station no. given to Reader (The value of rotary switch next to
Reader is shown.)
3 Data
Length
06
Total length of Frame (from Start Byte to Check Sum)
4 Control
Mode
01
Control Mode selected by Sending Frame is displayed.
5 Error
Code
00
At normal Receiving Frame, ‘00’ (For the value except this,
refer to Error Code.
Appendix B
)
6 Check
Sum
F7
Calculate Check Sum value and mark the low 8 bit value.
4.2.5 Read Single Block
z
Function summary : Reads one designated block data of Tag.
z
Sending factor : Baddr (Block address of Tag)
z
Receiving factor : Bdata (Data saved in Block address)
This is the Sending/Receiving Frame to read the data of desired Tag memory block.
This is the Frame used to read the data set in one Block among data saved in the Tag memory.
The below shows Sending Frame Structure to set Read Single Block and Receiving Frame
Structure that is displayed when reading one block of the designated Tag.
Sending Frame
No.
1
2
3
4
5
6
7
8
Description F0
00
08 03
03 (flag)
20
(CMD)
Baddr (CS)
Receiving Frame
No.
1
2
3
4
5
6 ~ 9
10
Description
F0 00
0A
03
00
Bdata [4byte]
(CS)
Содержание LGRF-H
Страница 23: ...23 70 LS Ubiquitous RF ID System 2 4 Product Appearance and Dimension Fig 2 4 1 LGRF H Reader...
Страница 24: ...24 70 LS Ubiquitous RF ID System Fig 2 4 2 LGRF H Reader Fig 2 4 3 Antenna A Type...
Страница 25: ...25 70 LS Ubiquitous RF ID System Fig 2 4 4 Antenna B Type Fig 2 4 5 Antenna C Type...
Страница 69: ...69 70 LS Ubiquitous RF ID System Appendix C PLC Examples 1 Example of MELSEC PLC HEX mode communication...
Страница 70: ...70 70 LS Ubiquitous RF ID System 2 Example of MELSEC PLC ASCII mode communication...
