Brooks Automation
62
278580 Revision A
7 Operation
LF80C ZeniD RFID Reader
7.2 Operation of the ASC-I1 Protocol
Product Manual
Parameter F
Reader address
ReaderID or address of the device.
0 .. E
Default: 0
7.2.5
Message Examples
Calculation for the XOR checksum:
53 XOR 30 XOR 32 XOR 48 XOR 30 XOR 0D = 24
→
'2' '4'
Calculation for the addition checksum:
53 + 30 + 32 + 48 + 30 + 0D = 13A
Only low significant bytes are used:
→
3A
→
'3' 'A'
X - Read data (read page 1 of multipage transponder)
>> X001
<< x0013232323232323232
Command
X
Reader ID
0
Page
01
Data
'3232323232323232'
→
ASCII "22222222"
ASCII
HEX
Description
’S’
53
start character
’0’
30
high byte message length
’2’
32
low byte message length
’H’
48
first character message: value
’0’
30
second character message: target
address
CR
0D
end character
’2’
32
high byte checksum XOR
’4’
34
low byte checksum XOR
’3’
33
high byte checksum addition
’A’
41
low byte checksum addition
