DA98A AC Servo Drive Unit
User Manual
unit is at fault.
（2） Control signal CN1, feedback signal CN2
z Wire diameter: it is employed with shield cable, wire diameter ≥0.12mm
2
(AWG24-26)
and shield layer should be connected with FG terminal.
z Wire length: the cable length should be as possible as short, the CN1 cable should be
less than 3m, and the feedback signal CN2 cable should be less than 20m.
z Wiring distribution: it should be far away from power circuit against antiinterference.
z Inductive components (coil) should be installed with surge absorbing elements: DC
coil should be reversely connected with parallel freewheeling diode and AC coil
should be connected with parallel RC absorption circuit.
11
z U, V, W should be connected with the corresponding motor winding one by one and
reverse connection is unallowed.
z Cables and wires must be secured and their approaching to the drive unit radiator
and motor should be avoided to ensure the insulation.
z Don’t touch drive unit or motor within 5 minutes after the power supply is cut off
because there is still a residual voltage on the electrolytic capacitance.
Note
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