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VFD68 Variable Frequency Drives
35
4–20 mA P499 Transducer
For applications using a 4–20 mA P499A transducer (Figure 25), you must:
•
set P.266 and P.267 to 0
•
set the AI2 mode switch position to I (see
•
calculate and change the C x parameters based on the desired operating pressure range for the
condensing fans on your application
Table 29: Settings for Single 4–20 mA Transducer
Setting
Single Transducer, 4
–
20 mA
P. 73
1
1.
For information on parameters, see Table 34 on page 43.
N/A
P.266
0 (current input)
P.267
0 (4–20 mA)
Analog Input Terminal
AI2
AI2 Mode Switch
2
2.
I
Figure 25: Wiring a 4–20 mA Input Signal Transducer