Manual
Page 24 / 33- Revision 01
ARE I2 / RS 232 – Installation Guide
7.1.4.2Selective Read RD
•Start the reader with the command RD plus Parameters ( plus <CR>). see example below.
- You can read out one block of the transponders memory, if the address of only one
. block is sent to the reader.
– You can read out several blocks, if the first and the last block to read is sent to the reader. So it’s also possible to read out the whole memory of the transponder.
•Wait for the answer
• Analyse the received answer: 8 characters plus <CR>. Allowed characters 0 to F. The NoRead Code is set to ( „XXXXXXXX“) ..
The result of the reading process may also be seen at the LED’s.
•LED L2 lit, if there was a successful read.
•LED L3 lit, if there was a No Read.
Example | RD <SP> 20 | <CR> | read block 20 |
|
| RD <SP> 16 | <SP> 33 <CR> | read all blocks from 16 to 33 | |
Allowed Values (block numbers of the transponder IC): |
| |||
ALGO 9 (1kBit Memory) |
| 3 .... 33 | ||
| Serial Number | block | 32 | |
ALGO 6 (2kBit Memory) |
| 16 ... 63 | ||
| Serial Number | block | 1 | |
7.1.4.3 Writing Process WD
The memory of the transponder is organised in blocks, containing 32 bits. The data’s of every single block must be changed separately.
•Start the reader with the command WD plus Parameters ( plus <CR>). See also example below.
The sent parameter consists of the block address and writing data’s (8 ASCII characters). Note! There must be a blank between the block address and the writing data’s..
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