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14. OPTIONS AND AUXILIARY EQUIPMENT
(c) Techniques for noises radiated by the ser vo amplifier that cause peripheral devices to m alfunction Noises produced by the servo amplifier are cl assified into those radiated from the cables conn ected to the servo amplifier and its main circuits (input and output circuits), those induced electrom agnetically or statically by the signal cables of the peripher al devices located near the main circuit cables, and those transmitted through the power supply cables. Noises produced
by servo amplifier
Noises transmitted
in the air
Noise radiated directly
from servo amplifier
Magnetic induction
noise
Static induction
noise
Noises transmitted
through electric
channels
Noise radiated from the
power supply cable
Noise radiated from
servo motor cable
Noise transmitted through
power supply cable
Noise sneaking from
grounding cable due to
leakage current
Routes 4) and 5)
Route 1)
Route 2)
Route 3)
Route 7)
Route 8)
Route 6)
Instrument Receiver
Servo
amplifier
Servo motor M
2)
2)
8)
1)
7)
7) 7)
5)
3)
4)
6)
3)
Sensor
power
supply
Sensor