HID OMNIKEY 5427 CK Keyboard Wedge User Guide - Manual (Page 13)

OMNIKEY Keyboard Wedge Configuration, 5x27-902, Rev D.0
November 2013 Page 13 of 23
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00000101000000100101001001
PACS bits
00000110
Header byte indicating
the # of filler bits in last
byte (= 6 bits)
000000
Filler bits
Representation of PACS bits by 5x27 CK HEX, DEC, ASCII and BCD output with PACS
Leading Byte selected:
The 5x27 CK adds trailing filler bits as well as a leading byte that states the number of
unused bits in the last byte.
This modified bit stream is converted according to the selected output:
HEX
0605025240
DEC 25853841984
2.3.2 Filtering (firmware 03000000 or higher)
Filter a byte (entered as decimal code) from raw data.
Direction: Leading = filter bytes from the start of raw data, Trailing = filter bytes from end of
raw data.
2.3.3 Reverse (firmware 02000000, upgraded with firmware 03000000)
This option allows reversing the standard read order of the card data, it applies to custom data
fields, PACS and CSN bits. The order is changed on byte-level according to the following
example.
Card Data (HEX)
01 02 03 04
Reverse Byte Order output (HEX) 04 03 02 01
Note: In firmware 02000000, it applies only to custom data fields. PACS and CSN bits will not
be affected by this command. From version 03000000 and higher, it applies to all data fields.
2.3.4 Padding (firmware 03000000 or higher)
Padding bytes are added to the output string.
Byte: ASCII character value (in decimal) to add to output string. It is output depending on the
Format as specified above. So 48 would be output as 30 in hex or 0 in decimal. Binary is a
special case, where only 0, 1, 48 or 49) are allowed – other values will be displayed as 1.
Direction: Leading = add padding to start of string, Trailing = add padding to end of string.
Length: Number of output characters to pad out to. This is format-independent, so entering 10
gives you 10 hex digits, 10 decimal digits, 10 ASCII characters, 10 binary bits, etc.