Instruction manual
3.
SIGNALS AND WIRING
3.9
Grounding
~~~~~ ~ ~ ~~ ~ ~ ~
Ground the servo amplifier and servo motor securely.
I
To
prevent an electric shock, always connect the earth terminal
(E)
of
the servo
A
WARN'NG
amplifier to the earth
(E)
of the control
box
(refer to
(2)
of
this section for the fitting
method
of
the earth terminal).
(1)
Connection diagram
The servo ampM1er switches the power transistor on-off to supply power to the servo motor. Depending
on
the wiring and ground cablerouting, the servo amphfier may be affected by the switchmg noise (due
to
dddt and dv/dt) of the transistor. To prevent such a
fault,
refer to the following diagram and always
ground.
To conform to the EMC Directive, refer to the
EMC
INSTALLATION
GUIDELINES
(TB(NA)67310).
Control
box
I
I
Circuit
I
protector
RA
-
0-
P24M
Servo amplifier
-?-o
-
jo
24VDC
-
I
k
CNlA
CNlB
J-
LLP
Servo motor
I
3-
45