LSIS XBF-AD08A - Page 250

Chapter 7 Analog Input Module (XBF-AD08A)
7.4 Characteristic of I/O conversion
The input/output ranges of voltage and current can be set up per channel with user program or I/O
parameters. The I/O types of digital data are defined as follows.
(1) Unsigned Value
(2) Signed Value
(3) Precise Value
(4) Percentile Value
Digital
output
0
1000
2000
3000
4000
4047
-48
-2000
-1000
0
1000
2000
2047
-2048
0
250
500
750
1000
1011
-12
DC 1 ~ 5 V
DC 0 ~ 5 V
DC 0 ~ 10 V
DC 4 ~ 20 mA
1 V 5 V3 V
0 V 2.5 V 5 V
0 V 5 V 10 V
4 mA 12 mA 20 mA
Analog
input
Practical analog input range
Offset value
Gain
value
DC 0 ~ 20 mA
0 mA 10 mA 20 mA
(1) DC 4 ~ 20mA Range Input
Digital
Output Range
Analog Input Current (mA)
3.81
4
8
12
16
20
20.18
Unsigned Value
(0 ~ 4000)
-48 0 1000 2000 3000 4000 4047
Signed Value
(-2000 ~ 2000)
-2048 -2000 -1000 0 1000 2000 2047
Precise Value
(400 ~ 2000)
381 400 800 1200 1600 2000 2018
Percentile
Value(0 ~ 1000)
-12 0 250 500 750 1000 1011
7 - 5