1 write operation – EUCHNER CIS3A-Mini User Manual
Page 12

EUCHNER
Identsystem
CIS3A-Mini
084727-01-02/03
Subject to technical modification
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4.1 Write operation
The data carrier must be in front of the read/write head in case of this command and
may be removed from the active range only after reception of the response telegram.
Please note:
It is only possible to work with a maximum of 32 bytes of user data per command
telegram! If more data is required (max. 116 byte), it must be splitted to more than one
command telegram.
Command telegram (telegram core, PLC
® CIA3SX , see also figure 2):
TP (read/write head address) (start address) (number of bytes user data) (user data)
Response telegram (telegram core, CIA3SX
® PLC, see also figure 3):
RF (read/write head address) (0,0) (status no.)
Byte
No.
Description
ASCII
C o n t e n t s
hex
decimal
0
Number of telegram bytes
0B ... 7B
11 ... 123
1
2
Command
identification
T
P
54
50
84
80
3
Read/write head address
01
1
4
5
Start address of the
user data
00
00 ... 70
0
0 ... 112
6
Number of bytes of the
user data
04 ... 20
4 ... 32
7 ... 122
User data
ASCII or hex resp. BCD (code-transparent)
Figure 2: Command telegram "write data carrier" (telegram core)
Byte
No.
Description
ASCII
C o n t e n t s
hex
decimal
0
Number of telegram bytes
07
7
1
2
Command
identification
R
F
52
46
82
70
3
Read/write head address
01
1
4
5
Padding data
00
00
0
0
6
Status number
**)
Figure 3: Response telegram "write data carrier" (telegram core)
**) Status number 00
hex
: No error
02
hex
: Data carrier not in active range
(more status numbers see chapter 8)