Nidec Control Techniques Digitax-SF DA21223, Instruction Manual, Page: 59 / 386

7
3. Preparation
Digitax SF Instruction Manual
2. System Wiring
2. System Wiring
DANGER
Be mindful when wiring and handling high voltage materials
Earth / Ground
connection is a must.
Ensure the incoming supply to the power supply providing the control
24V supply is from the same source as the
AC Supply
Do not use the
AC supply
contactor (installed on the
AC Supply
side) to
run or stop the motor.
Do not install a switch between the control power supply and the
drive
. Install
the switch on the primary input side of the control power supply.
For high-voltage cables, use wires of 600V withstand voltage or more.
For a CN1 connector cable, use a shielded twisted-pair cable of 2 m or less.
The encoder cable length must be 20 m or less.
For stranded wire, use insulation coating, rod or ring crimp terminals.