Quatech INTERBUS S manual The numerical format

The numerical format

All analog values will be shown in a unit numerical format. The resolution is 12 Bits and the 3 LSBs are not taken into account. The following table will explain the numerical format.

Input voltage	Binary value			Status
±10V		Hex.	Dec.
> 10 V	0111 1111 1111 1111	7F FF	32767	42
10	0111 1111 1111 XXXX	7F FX	32760	0
5	0100 0000 0000 XXXX	40 0X	16384	0
2,5	0010 0000 0000 XXXX	20 0X	8192	0
1,25	0001 0000 0000 XXXX	10 0X	4096	0
0,0781	0000 0001 0000 XXXX	01 0X	256	0
0,0049	0000 0000 0001 XXXX	00 1X	16	0
0	0000 0000 0000 XXXX	00 0X	0	0
-2,5	1110 0000 0000 XXXX	E0 0X	57344	0
-5	1100 0000 0000 XXXX	C0 0X	49152	0
-7,5	1010 0000 0000 XXXX	A0 0X	40960	0
-10	1000 0000 0000 XXXX	80 0X	32768	0
< -10 V	1000 0000 0000 0000	80 00	32768	41

Analog￿￿￿￿￿￿￿￿Inputs 750-456 3

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