5 Wiring and Connections
5.1.2 Main Circuit and Control Power Supply Cables
5-4
5.1.2 Main Circuit and Control Power Supply Cables
This section provides the specifications of the main circuit power supply cable and control power supply
cable.
Refer to the following cable specifications to make your own cables.
(1) Main Circuit Power Supply Cable Specifications
The main circuit power supply cable specifications are given below.
Type A01 SERVOPACK
• Main Circuit Power Supply Pins
• Parts and Functions of the Main Circuit Power Supply Connector (CN32)
Note: Connect the power supply cable to all 5 pins.
• Power Supply Capacity and Wire Size
Note: The input power supply capacity is the capacity per axis.
The actual input current for the main circuit power supply will be the given value multiplied by the number of servo-
motor axes you control. Select the wire size according to the number of axes that you will use.
Cable Ter mi na ls Model
Main Circuit Power Supply Cable
L1, L2,
–
Control Power Supply Cable
L1C, L2C,
• Select a cable that can carry the rated current on three bundled lead wire pairs at a
surrounding air temperature of 40°C.
• Use wires with a withstand voltage of 100 V or higher.
• Use wires with an insulator outer diameter of 1.85 mm or less. You will not be able to
connect the cable to the connector if the outer diameter exceeds 1.85 mm.
• If wires are bundled in PVC or placed in metal ducts, take into account the reduction in
the allowable wire current.
• Use heat-resistant wire for high surrounding air or panel temperatures.
• The main circuit power supply cable and control power supply cable must not exceed
10 m.
Connector Housing Contacts Manufacturer
Main circuit power
supply connector
Cable side: VHR-5N,
SERVOPACK side: B5PS-VH
SVH-41T-P1.1 J.S.T. Mfg. Co., Ltd.
Pin No. Signal Name Specification
1，2
L1 Main circuit power supply input pin +
24 VDC -10% to +15% or
48 VDC -15% to +10%
3，4
L2 Main circuit power supply input pin -
5 FG Ground pin –
Main Circuit
Power Supply
Input Current Capacity
Wire Size
Continuous Rating
Maximum Instantaneous
Current
24 VDC 3.5 A 8.5 A
AWG16 to AWG18
48 VDC 2.0 A 10.5 A
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