Nidec Control Techniques Digitax-SF DA21223, Instruction Manual, Page: 75 / 386

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3. Preparation
Digitax SF Instruction Manual
2. System Wiring
Cable Name AWG UL
Temperature
Rating Voltage
Rating
Note
Motor power
( ≤ 750 W）
18
2517 105 ℃ 300 V
Motor power
( ≥ 1 kW）
14
2517 105 ℃ 300 V
AWG16 wires can be used only for 1 kW
motors
Main circuit power
( ≤ 750 W）
( Including
Earth/
Ground
FG cable )
18
1015 105 ℃ 600 V
Main circuit power
( ≥ 1 kW）
( Including
Earth/
Ground
FG cable )
14
1015 105 ℃ 600 V
AWG16 wires can be used only for 1 kW
motors.
Encoder
Power：22
Signal：24
20276 80 ℃ 30 V
Shielded twisted pair cables of length
no
t
exceeding 20 m
User I/O
26
1007 80 ℃ 300 V
Shielded twisted pair cables
Length not exceeding 2 m is recommended
Braking
resistor
18
1015 105 ℃ 600 V
Emergency stop
brake
18
1015 105 ℃ 600 V
Mechanical
Brake
18
2517 105 ℃ 300 V 1 pair (2 cores)
Use our recommendations below to select cables based on your actual usage. (Equivalent alternatives are also
good)
5. Cables
Recommended cable wires