Mitsubishi Electric FR-A820-00046 Instruction Manual page 536

(H) Protective function parameter
Load characteristics setting (Pr. 1481 to Pr. 1487)
● Use Pr. 1481 to Pr. 1485 to set the reference value of load characteristics.
● Use Pr. 1486 "Load characteristics maximum frequency" and Pr. 1487 "Load characteristics mini-
mum frequency" to set the output frequency range for load fault detection.
Load reference 5
Load reference 4
Load reference 3
Load reference 2
Load reference 1
Fig. 5-145:
5 - 334
Load status
(Pr. 1485)
(Pr. 1484)
(Pr. 1483)
(Pr. 1482)
(Pr. 1481)
f1
(Pr. 1487)
Setting of the load characteristics and output frequency range
f2 f3 f4
Upper limit warning
detection width (Pr. 1488)
Upper limit fault
detection width (Pr. 1490)
Lower limit fault
detection width (Pr. 1491)
Lower limit warning
detection width (Pr. 1489)
Normal load range
f5
Output frequency
(Pr. 1486)
Parameters
I003026E