12 USING A FULLY CLOSED LOOP SYSTEM
12.3 Signals and wiring
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12
Encoder cable configuration diagram for rotary encoders
• When using a rotary encoder as the load-side encoder, use an HK-KT servo motor as the encoder.
• Use two-wire type encoder cables.
• When using an A/B/Z-phase differential output rotary encoder, refer to "A/B/Z-phase differential output linear
encoder" in the following manual.
MR-J5 Partner's Encoder User's Manual
For encoder cables for rotary encoders, refer to "Motor cable/connector sets" and "Encoder cable" in the following manual.
Rotary Servo Motor User's Manual (HK series)
■Servo amplifier without CN2L
*1 Use two-wire type encoder cables. Four-wire type encoder cables cannot be used.
*2 When the motor type of the servo motor is "HK-KT_W", a maximum of 240 V is output from the power cable, and when the motor type is
"HK-KT_4_W", a maximum of 480 V is output. Insulation is therefore required. Apply insulation protection according to the maximum
voltage to U, V, W, and each grounding wire. Do not disconnect the power cable during the insulation protection.
*3 Use the servo motor in the range not exceeding the maximum servo motor speed described in "Standard specifications list" in the Rotary
Servo Motor User's Manual (HK series).
■Servo amplifier with CN2L
A linear encoder can be connected without using an MR-J4FCCBL03M branch cable. In addition, a four-wire type linear
encoder can also be used.
*1 When the motor type of the servo motor is "HK-KT_W", a maximum of 240 V is output from the power cable, and when the motor type is
"HK-KT_4_W", a maximum of 480 V is output. Insulation is therefore required. Apply insulation protection according to the maximum
voltage to U, V, W, and each grounding wire. Do not disconnect the power cable during the insulation protection.
*2 Use the servo motor in the range not exceeding the maximum servo motor speed described in "Standard specifications list" in the Rotary
Servo Motor User's Manual (HK series).
CN2
CN2 MOTOR
SCALE
*2
*2
Servo amplifier
MR-J4FCCBL03M branch cable
Encoder of rotary servo motor
*1
Load-side
encoder
Servo motor
*3
HK-KT
Motor cable/Encoder cable
(Refer to "Rotary Servo Motor User's Manual (HK series)")
CN2
CN2L
*1
*1
Servo amplifier
Load-side
encoder
Servo motor
*2
HK-KT
Encoder of rotary servo motor
Motor cable/Encoder cable
(Refer to "Rotary Servo Motor User's Manual (HK series)")
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