Chapter 13 Built-in Analog Function
13.4.2 Output Accuracy
Accuracy of digital output value does not changed even if input range is changed. When digital input range is selected
with unsigned value, accuracy is ±0.2% (Ambient temperature of 25 ±5℃).
Analog output value
-10 V
0 V
0 8000 16000
Digital input value
-10.04 V
-9.96 V
10 V
9.96 V
10.04 V
0 V
5 V
-0.02 V
0.02 V
10 V
9.98 V
10.02 V
0 V
2.5 V
-0.01 V
0.01 V
5 V
4.99 V
5.01 V
0 mA
10 mA
-0.04 mA
0.04 mA
20 mA
19.96 mA
20.04 mA
4 mA
8 mA
3.97 mA
4.03 mA
20 mA
19.97 mA
20.03 mA
1 V
3 V
0.99 V
1.01 V
5 V
4.99 V
5.01 V
(1) Accuracy when using -10 to 10 V output
16000 × 0.2% = 32
Accuracy range when using -10 V output will become
(-10 V – 32 × 1.25 ㎷) ~ (-10 V + 32 × 1.25 ㎷) = -10.04 ~ -9.96 V,
Accuracy range when using 10V output will become
(10 V – 32 × 1.25 ㎷) ~ (10 V + 32 × 1.25 ㎷) = 9.96 ~ 10.04 V
(2) Accuracy when using 1 to 5 V output
16000 × 0.2% = 32
Accuracy range when using 1 V output will become
(1 V – 32 × 0.25 ㎷) ~ (1 V + 32 × 0.25 ㎷) = 0.992 V ~ 1.008 V,
Accuracy range when using 10V output will become
(5 V – 32 × 0.25 ㎷) ~ (5 V + 32 × 0.25 ㎷) = 4.992 V ~ 5.008 V