Rockwell Automation 1771-DE Absolute Encoder Module User Manual - Manual (Page 70)

Appendix D
DĆ3
Word No. Description Bit No.
06 Write-data-valid bit - bit is set at power up
and when the processor changes from
program to run mode; it is reset when the
module receives valid write data.
05 Unused
04 Non-BCD preset flag - bit is set when any
preset is in non-BCD format.
03 through 00 These bits are binary or hexadecimal code
that indicates which of the 16 presets is not in
BCD format. Refer to the next section for
details of these bits.
2 17 through 00 Current absolute position of encoder in BCD
Value of Diagnostic Bits 00 through 03
If non-BCD
digit is in word:
Then it is
preset:
And the Hex
error code is:
And the binary
equivalent is:
2 0A 0 0000
3 0B 1 0001
4 1A 2 0010
5 1B 3 0011
7 2A 4 0100
8 2B 5 0101
9 3A 6 0110
10 3B 7 0111
12 4A 8 1000
13 4B 9 1001
14 5A A 1010
15 5B B 1011
17 6A C 1100
18 6B D 1101