Wiring And Connecting Servopacks - YASKAWA Sigma-7S Series Product Manual

4.1 Wiring and Connecting SERVOPACKs

4.1 Wiring and Connecting SERVOPACKs
4-2
 Do not change any wiring while power is being supplied.
There is a risk of electric shock or injury.
 Wiring and inspections must be performed only by qualified engineers.
There is a risk of electric shock or product failure.
 Check all wiring and power supplies carefully.
Incorrect wiring or incorrect voltage application to the output circuits may cause short-circuit fail-
ures. If a short-circuit failure occurs as a result of any of these causes, the holding brake will not
work. This could damage the machine or cause an accident that may result in death or injury.
 Connect the AC and DC power supplies to the specified SERVOPACK terminals.
• Connect an AC power supply to the L1, L2, and L3 terminals and the L1C and L2C terminals on
the SERVOPACK.
• Connect a DC power supply to the B1/
the SERVOPACK.
There is a risk of failure or fire.
 If you use a SERVOPACK that supports the dynamic brake hardware option specifications,
connect an external dynamic brake resistor that is suitable for the machine and equipment
specifications to the specified terminals.
There is a risk of unexpected operation, machine damage, burning, or injury when an emer-
gency stop is performed.
DANGER
WARNING
and 2 terminals and the L1C and L2C terminals on