Hex Dec - GE VersaPoint IC220ALG221 System Manual

"IB ST" Format
The measured value is represented in bits 14 to 3. The remaining 4 bits are sign, measuring range,
and error bits.
This format corresponds to the data format used on INTERBUS ST modules.
Measured value representation in "IB ST" format (12 bits):
15 14 13
SB
SB Sign bit
0/4 4 to 20 mA measuring range
Significant Measured Values
Voltage Ranges
Input Data Word
(Two's Complement)
hex dec
7FF9 32761
7FF8 32760
4000 16384
0008 8
0000 0
Input Data Word
(Two's Complement)
hex dec
7FF9 32761
7FF8 32760
4000 16384
0008 8
0000 0
FFF8 -8
C000 -16384
8000 -32768
8001 -32767
6226B_GE
ANALOG IN 15 BIT VOLTAGE/CURRENT 8CH IC220ALG221
12 11 10 9
Analog value
0 V to 5 V
U
IN
V
> +5.375
+4.9988 to
+5.375
+2.5
1.221 mV
< 0
±5 V
U
IN
V
> +5.375
+4.9988 to
+5.375
+2.5
+1.221 mV
0
-1.221 mV
-2.5
-5.0 to -5.375
-5.375
8 7 6 5
OC Open circuit
OR Overrange/under range
0 V to 10 V
U
IN
V
>+10.75
+9.9975 to
+10.75
+5.0
+2.441 mV
< 0
±10 V
U
IN
V
>+10.75
+9.9975 to
+10.75
+5.0
+2.441 mV
0
-2.441 mV
-5.0
-10.00 to -10.75
<-10.75
4 3 2
0/4
0 V to 25 V 0 V to 50 V
U
IN
V
> +26.875 > +53.75
+24.9939 to +49.9878 to
+26.875 +53.75
+12.5 +25.0
6.1025 mV +12.205 mV
< 0 <
±25 V
U
IN
V
> +26.875
+24.9939 to
+26.875
+12.5
+6.104 mV
0
-6.104 mV
-12.5
-25.0 to -26.875
-26.875
1 0
OC OR
U
IN
V
0
19