ABB RED615 - Page 669

Table 581: Truth table of the decoding modes
Inputs TAP_POS outputs
SIGN_
BIT
BI5 BI4 BI3 BI2 BI1 BI0 NAT2I
NT
BCD2I
NT
GRAY2
INT
... ... ... ... ... ... ...
1 0 0 0 0 1 1 —3 —3 —2
1 0 0 0 0 1 0 —2 —2 —3
1 0 0 0 0 0 1 —1 —1 —1
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 1 1 1
0 0 0 0 0 1 0 2 2 3
0 0 0 0 0 1 1 3 3 2
0 0 0 0 1 0 0 4 4 7
0 0 0 0 1 0 1 5 5 6
0 0 0 0 1 1 0 6 6 4
0 0 0 0 1 1 1 7 7 5
0 0 0 1 0 0 0 8 8 15
0 0 0 1 0 0 1 9 9 14
0 0 0 1 0 1 0 10 9 12
0 0 0 1 0 1 1 11 9 13
0 0 0 1 1 0 0 12 9 8
0 0 0 1 1 0 1 13 9 9
0 0 0 1 1 1 0 14 9 11
0 0 0 1 1 1 1 15 9 10
0 0 1 0 0 0 0 16 10 31
0 0 1 0 0 0 1 17 11 30
0 0 1 0 0 1 0 18 12 28
0 0 1 0 0 1 1 19 13 29
0 0 1 0 1 0 0 20 14 24
0 0 1 0 1 0 1 21 15 25
0 0 1 0 1 1 0 22 16 27
0 0 1 0 1 1 1 23 17 26
0 0 1 1 0 0 0 24 18 16
0 0 1 1 0 0 1 25 19 17
0 0 1 1 0 1 0 26 19 19
0 0 1 1 0 1 1 27 19 18
0 0 1 1 1 0 0 28 19 23
0 0 1 1 1 0 1 29 19 22
0 0 1 1 1 1 0 30 19 20
0 0 1 1 1 1 1 31 19 21
Table continues on next page
1YHT530004D05 D Section 8
Measurement functions
615 series 663
Technical Manual