Festo CPX-2AA-U-I, Electronic Manual

Page: 170 / 228

5. Analogue output module CPX−2AA−U−I
5−14
Festo P.BE−CPX−AX−EN en 0503b
The following diagram shows the processing of the output
words with the default data format VZ + 12 bits right−justi
fied".
1
Lower limit of rated
range
2
Digital output value
(example)
3
Upper limit of rated
range
4
Digital output values
5
Assigned analogue
signals
6
Output voltage or
current
1 3
0 V
0 mA
4 mA
0 4095
10 V
20 mA
20 mA
2
4
5
6
5.833 V
11.66 mA
9.33 mA
2389
Fig.5/3: Example of default data format VZ + 12 bits right−justified"
The assignment of the digital value range and the analogue
output signal ranges is shown in the table below.
D i g ita l d ata pr e p a r ati o n A na log ue o ut p ut si g na l r an g e
O ut p ut d ata O ut p ut v a l ues 0 ... 10 V 0 ... 20 m A 4 ... 20 m A
Output value
>
4095 Rated range exceeded Output of last valid value
Output value 4095 9.9975 V 19.995 mA 19.995 mA
Output value 1...4094
Linear value range
... ... ...
Output value 0
g
0 V 0 mA 4 mA
Output value
<
0 Value less than rated range Output of last valid value
Tab.5/7: Output signals of the analogue output modules with default settings