LSIS XBF-AH04A - Page 325

Chapter 9 Analog Output Option Board (XBO-DA02A)
9.4 Characteristic of I/O Conversion
The output ranges of voltage and current can be set up per channel with user program or I/O
parameters. The input types of digital data are defined as follows.
(1) Unsigned Value
(2) Signed Value
(3) Precise Value
(4) Percentile Value
Digital
input
0
1000
2000
3000
4000
4047
-2000
-1000
0
1000
2000
2047
0
250
500
750
1000
1011
DC 4 ~ 20 mA
DC 0 ~ 20 mA
DC 0 ~ 10 V
4 mA 20 mA12 mA
0 mA
0 V 5 V 10 V
Analog
output
Analog output practical
range
Offset
Gain
20 mA10 mA
(1) DC4~20mA range output
Digital input
range
Analog output current (mA)
4mA or
less
4 8 12 16 20
Over
20mA
Unsigned value
(0 ~ 4000)
0 or less 0 1000 2000 3000 4000
Over 4000
Signed value
(-2000 ~ 2000)
-2000 or
less
-2000 -1000 0 1000 2000
Over 2000
Precise value
(400 ~ 2000)
400 or less
400 800 1200 1600 2000
Over 2000
Percentile value
(0 ~ 1000)
0 or less 0 250 500 750 1000
Over 1000
9 - 5