DA180 series basic AC servo drive Wiring instructions
-21-
3.1 System wiring
To cut off the circuit if
the power line
encounters
overcurrent.
To prevent
interference from
the outside of the
power line
Filter
Circuit breaker for wiring
To turn on/off the servo
power. If it is needed,
install the surge
suppressor.
External
regenerative
brake resistor
Electro magn etic co ntacto r
Computer
MiniUSB cable
Upper device
Grating ruler
CAN/RS485 communication
Signal (I/O) cable
Motor main-circuit
cable
Servo mo tor
Encoder connection
cable
Battery unit
(needed when absolute multiturn encoder used)
Encoder signal
Power
L1 L2
Brake pow er
(DC24V, user provided)
Before turning on the driver input power, ensure that the input power supply specifications
indicated on the nameplate are consistent with those of the grid.
The electromagnetic contactor is used to switch on or off the main-circuit power supply of the
servo drive. Do not use this contactor to start or stop the servo drive.
In the figure, as the external regenerative brake resistor is connected, the short-connection cable
between B2 and B3 must be removed. For details about the connection, see section 3.2 "Main
circuit terminal wiring". The resistor must be installed on nonflammable material with good heat
dissipation performance, such as metal.
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