VFD68 Variable Frequency Drives (230 or 460 VAC)
24
4–20 mA P499 Transducer
For applications using a 4–20 mA P499A transducer (Figure 16), you must:
•
set P.266 and P.267 to 0
•
set the AI2 mode switch position to I (see
Configuring EXT Mode Using Analog Inputs
•
calculate and change the C x parameters based on the desired operating pressure range for the
condensing fans on your application
Table 18: Settings for Single 4–20 mA Transducer
Setting
Single Transducer, 4
–
20 mA
P. 73
1
1.
For information on parameters, see Table 19 on page 27.
N/A
P.266
0 (current input)
P.267
0 (4–20 mA)
Analog Input Terminal
AI2
AI2 Mode Switch
2
2.
I
Figure 16: Wiring a 4–20 mA Input Signal Transducer
