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18. MR-J4W2-0303B6 SERVO AMPLIFIER
18.3.2 Explanation of power supply system
(1) Pin assignment
(2) Detailed explanation
Connection target
Symbol
(application)
24
Control circuit/main
PM
circuit power supply
0
Noiseless grounding
A-axis servo motor
U1/V1/W1/E1
power output
B-axis servo motor
U2/V2/W2/E2
power output
Servo amplifier
CNP1
24
6
PM
5
U1
4
V1
3
U2
2
V2
1
Used to connect + of the control circuit power supply (24 V DC).
Used to connect + of the main circuit power supply (48 V DC/24 V DC).
Set [Pr. PC05] according to the specification of main circuit power supply.
Main circuit power supply
48 V DC
24 V DC
Switch off - of the control circuit power supply and main circuit power supply.
Connect to the grounding terminal of the cabinet to ground.
Connect the servo amplifier power output (U1/V1/W1/E1) to the servo motor power input
(U/V/W/
) directly. Do not let a magnetic contactor, etc. intervene. Otherwise, it may cause a
malfunction.
Connect the servo amplifier power output (U2/V2/W2/E2) to the servo motor power input
(U/V/W/
) directly. Do not let a magnetic contactor, etc. intervene. Otherwise, it may cause a
malfunction.
18 - 18
0
12
11
W1
10
E1
9
W2
8
E2
7
Description
Parameter
[Pr. PC05 function selection C-2]
setting value
_ 0 _ _ (initial value)
_ 1 _ _
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