19
Appendix C. Command Package for the
Message of Receiving Tag code
When user presents his/her card on the Weigand reader, if tag is read OK, the reader will send the tag code to
WEC200 via Wiegand interface and then transmit to host PC.
Before transmitting to host PC, the tag code will be packaged by WEC200 in a pre-defined format, and the
format is different between WEC200-00 and WEC200-01.
To detail this, for example, if the tag code is FC177ID25111, then for
WEC200-00
it will be packaged as
Hex
02h 57h 46h 43h 31h 37h 37h 49h 44h 32h 35h 31h 31h 31h 0Dh
W
F
C
1
7
7
I
D
2
5
1
1
1
The package starts with STX (02h), and end with CR (0Dh).
The W (57h) is the message code.
For
WEC200-01
, it will be packaged as:
Hex
02h 46h 43h 31h 37h 37h 49h 44h 32h 35h 31h 31h 31h 09h 44h 09h 53h 0Dh
F
C
1
7
7
I
D
2
5
1
1
1
D
S
The package starts with STX (02h), and end with CR (0Dh).
No message code.
The data after TAB (09h, including TAB) is reserved for TRU uses.