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10 Electrical Installation
*1
Set the wiring sequence to de-energize the drive with the MFDO. If the drive outputs a fault during fault
restart when you use the fault restart function, set L5-02 = 1 [Fault Contact at Restart Select = Always
Active] to de-energize the drive. Be careful when you use a cut-off sequence. The default setting for L5-02
is 0 [Active Only when Not Restarting].
*2
When you install a DC link choke, you must remove the jumper between terminals +1 and +2.
*3
When you use a regenerative converter or regenerative unit, set L8-55 = 0 [Internal DB
TransistorProtection = Disable]. If L8-55 = 1 [Protection Enabled], the drive will detect rF [Braking
Resistor Fault].
*4
When you use a regenerative converter, regenerative unit, braking resistor, or braking resistor unit, set L3-
04 = 0 [Stall Prevention during Decel = Disabled]. If L3-04 = 1 [General Purpose], the drive could
possibly not stop in the specified deceleration time.
*5
When you use an ERF-type braking resistor, set L8-01 = 1 [3% ERF DB Resistor Protection = Enabled]
and set a wiring sequence to de-energize the drive with the MFDO.
*6
Cooling fan wiring is not necessary for self-cooling motors.
*7
Connect peripheral options to terminals -, +1, +2, B1, and B2.
WARNING
terminals B1, B2, -, +1, and +2. Do not connect an AC power supply lines to these terminals.
Incorrect wiring can cause damage to the drive and serious injury or death from fire.
*8
Connect a 24 V power supply to terminals PS-AC to operate the control circuit while the main circuit power
supply is OFF.
*9
To set the MFDI power supply (Sinking/Sourcing Mode or internal/external power supply), install or
remove a jumper between terminals SC-SP or SC-SN depending on the application.
NOTICE
you close the circuits between terminals SC-SP and terminals SC-SN at the same time, it will
cause damage to the drive.
• Sinking Mode, Internal power supply: Install the jumper to close the circuit between terminals SC-SP.
NOTICE
SN. If you close the circuits between terminals SC-SP and terminals SC-SN at the same time, it
will cause damage to the drive.
• Sourcing Mode, Internal power supply: Install the jumper to close the circuit between terminals SC-SN.
NOTICE
SP. If you close the circuits between terminals SC-SP and terminals SC-SN at the same time, it
will cause damage to the drive.
• External power supply: Remove the jumper from the MFDI terminals. It is not necessary to close the
circuit between terminals SC-SP and terminals SC-SN.
*10
WARNING
the protective ground terminal. It does not comply with technical standards and local codes and
can cause serious injury or death.
*11
The maximum output current capacity for terminal +V on the control circuit is 20 mA.
NOTICE
AC. A closed circuit between these terminals will cause damage to the drive.
*12
DIP switch S1 sets terminal A2 for voltage or current input. The default setting for S1 is current input ("I"
side).
54
Fire Hazard. Only connect factory-recommended devices or circuits to drive
Damage to Equipment. Do not close the circuit between terminals SP-SN. If
Damage to Equipment. Do not close the circuit between terminals SC-
Damage to Equipment. Do not close the circuit between terminals SC-
Electrical Shock Hazard. Do not ground the shield of the control wiring to
Damage to Equipment. Do not install a jumper between terminals +V and
YASKAWA TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
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