Mitsubishi Electric MELSERVO-J5 User Manual page 251

MR-J5W_-_G_
Rated sensitivity current ≥ 10 • {Ig1 + Ign + Iga + K • (Ig2 (A-axis) + Igm (A-axis) + Ig2 (B-axis) + Igm (B-axis) + Ig2 (C-axis) +
Igm (C-axis))} [mA] . . . (6.2)
Cable
Noise filter
NV
Servo
amplifier
Iga
Ig1 Ign
Earth-leakage current breaker
Type
Models provided with harmonic and surge reduction
techniques
General models
Ig1: Leakage current on the electric channel from the earth-leakage current breaker to the input terminals of the servo
amplifier
Page 250 Example of leakage current (Ig1, Ig2) per km of CV cable run in metal conduit
Ig2: Leakage current on the electric channel from the output terminals of the servo amplifier to the servo motor
Page 250 Example of leakage current (Ig1, Ig2) per km of CV cable run in metal conduit
Ign: Leakage current when a filter is connected to the input side (4.4 mA per one FR-BIF(-H))
Iga: Servo amplifier leakage current
Page 250 Servo amplifier leakage current example (Iga)
Igm: Servo motor leakage current
Page 250 Servo motor leakage current example (Igm)
Cable
M A-axis
Ig2 Igm
Cable
M
B-axis
Igm
Ig2
Cable
M
C-axis
Ig2 Igm
Mitsubishi Electric products
NV-SP
NV-SW
NV-CP
NV-CW
NV-HW
BV-C1
NFB
NV-L
K
1
3
6 OPTIONS AND PERIPHERAL EQUIPMENT
6.15 Earth-leakage current breaker
6
249