E1 Series Servo Drive User Manual Electrical Planning
5-2 HIWIN MIKROSYSTEM CORP.
5.1 Wiring precautions
5.1.1 General precautions
Do not modify wiring when power on.
Do not modify wiring when power on, or it may cause electric shock or injury.
Wiring or examination must be performed by professional technician.
If this is not followed, it may cause electric shock or product malfunction.
Ensure wiring is correctly performed and the specified power is provided.
Short circuit may occur in output circuits due to incorrect wiring or voltage. If short circuit is caused by the
above reasons, brake will not be enabled. And this may cause machine damage, injury or death.
Connect AC main power to the terminals of the servo drive.
If AC main power is used, connect to terminals L1, L2, L3 and L1C, L2C on the servo drive.
If this is not followed, it may cause product malfunction or fire.
Wiring and examination must be performed at least five minutes after power off and the indicator goes off. The
residual voltage inside the servo drive could still be high after power off. Do not touch the power terminals
when the indicator goes on. If this is not followed, it may cause electric shock.
Wiring and trial operation must be performed in accordance with the precautions and procedures given in this
manual. If brake circuit malfunctions due to incorrect wiring or voltage, this may cause product malfunction,
machine damage, injury or death.
Wiring must be correctly performed. Connectors and pin definitions vary with different models. Before wiring,
refer to the technical documents of your model. If this is not followed, it may cause product malfunction or false
operation.
Connect wires to the power terminals and motor terminals by following the given instructions. If this is not
followed, the wires and terminal blocks could overheat due to poor connection. And this may cause fire.
Use shielded twisted-pair cables or shielded multi-core twisted-pair cables for I/O signal cable and encoder
cable.
While wiring the terminals of the servo drive main circuit, please pay attention to the following.
(1) Turn on the power after wiring completes.
(2) While wiring a connector, remove the connector from the servo drive first.
(3) Insert one wire per one terminal socket.
(4) Ensure there is no short circuit among wires.
Use circuit breaker or other safety device as protection for short circuit of external wiring. If this is not followed,
it may cause fire or product malfunction.
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