Brooks ATR60LF - SECS-II Data Item Formats

Brooks Automation
260301 Revision A 63
ATR60LF RFID Reader CAN Bus 7 Operation
Product Manual 7.5 Operation of the SECS Protocol
format type 0. However, the length byte refers to the number of elements
in the list rather than to the number of bytes.
Data items The formats represent arrays of types: <type>[number of elements],
whereby <type> is one of the following:
Oct-
code
Hex-
code
Forma
t
Meaning Example
00 01 List List element with the
number of the
“Length” data
elements
<L2>
<A “Hello”>
<B 0x00>
11 25 Boolean 1-byte Boolean
false = 00
true = 01
<Boolean1 0x00>
10 21 Binary Byte sequence
of the length “Length”
<B1 0x01>
20 41 ASCII Printable ASCII
characters
<A “Hello”>
31 65 I1 1-byte signed integer <I1 123>
32 69 I2 2-byte signed integer <I2 -12345>
34 71 I4 4-byte signed integer <I4 2147483647>
30 61 I8 8-byte signed integer <I8
931372980293834>
51 A5 U1 1-byte unsigned
integer
<U1 0>
52 A9 U2 2-byte unsigned
integer
<U2 #empty>
54 B1 U4 4-byte unsigned
integer
<U4 429489725>
50 A1 U8 8-byte unsigned
integer
<U8
763468676756767>
40 91 F8 8-byte floating point <F8 1.223 e204>
44 81 F4 4-byte floating point <F4 -1.23 >