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10 Electrical Installation
NOTICE
Do not connect an AC power supply to terminals -, +1, +2, B1, and B2. Failure to obey can cause
damage to the drive and peripheral devices.
*3
Remove the jumper between terminals +1 and +2 when installing a DC reactor.
*4
Models 2110 to 2415 and 4060 to 4675 have a DC reactor.
*5
Set L8-55 = 0 [Internal DB TransistorProtection = Disable] to disable the protection function of the drive
braking transistor when using an optional regenerative converter, regenerative unit, or braking unit. Keeping
L8-55 = 1 [Protection Enabled] can cause rF [Braking Resistor Fault].
*6
Set L3-04 = 0 [Stall Prevention during Decel = Disabled] when using a regenerative converter, regenerative
unit, braking unit, braking resistor, or braking resistor unit. The drive could possibly not stop within the
specified deceleration time when L3-04 = 1 [General Purpose].
*7
Set L8-01 = 1 [3% ERF DB Resistor Protection = Enabled] and set a sequence to de-energize the drive with
the fault relay output when using an ERF-type braking resistor.
*8
Self-cooling motors do not need cooling fan wiring.
*9
Connect 24 V power to terminal PS-AC while the power to the drive control circuit is ON and only the main
circuit is OFF.
*10 Encoder circuit wiring (wiring to PG-B3 option card) is not necessary for applications that do not use motor
speed feedback.
*11 Use a wire jumper between terminals SC and SP or SC and SN to set the MFDI power supply to SINK
Mode, SOURCE Mode, or External power supply.
NOTICE
Do not short circuit terminals SP and SN. Failure to obey will cause damage to the drive.
• SINK Mode: Install a jumper between terminals SC and SP.
Do not short circuit terminals SC and SN. Failure to obey will cause damage to the drive.
• SOURCE Mode: Install a jumper between terminals SC and SN.
Do not short circuit terminals SC and SP. Failure to obey will cause damage to the drive.
• External power supply: No jumper necessary between terminals SC and SN or terminals SC and SP.
*12 The maximum output current capacity for terminals +V and -V on the control circuit is 20 mA.
NOTICE
Do not install a jumper between terminals +V, -V, and AC. Failure to obey can cause damage to the
drive.
*13 DIP switches S1-1 to S1-3 set terminals A1 to A3 for voltage or current input. The default setting for S1-1
and S1-3 is voltage input ("V" side). The default setting for S1-2 is current input ("I" side).
*14 DIP switch S4 sets terminal A3 for analog or PTC input. Set DIP switch S1-3 to the "V" side, and set H3-05
= 0 [Terminal A3 Signal Level Select = 0 to 10V (Lower Limit at 0)] to set terminal A3 for PTC input with
DIP switch S4.
*15 Do not ground the control circuit terminals AC or connect them to the drive. Failure to comply may cause
malfunction or failure.
*16 Connect the positive lead from an external 24 Vdc power supply to terminal PS and the negative lead to
terminal AC. Reversing polarity can cause damage to the drive.
NOTICE
Do not connect reverse terminals PS and AC. Failure to obey will cause damage to the drive.
*17 Use multi-function analog monitor outputs with analog frequency meters, ammeters, voltmeters, and
wattmeters. Do not use monitor outputs with feedback-type signal devices.
*18 Jumper switch S5 sets terminal FM and AM for voltage or current output. The default setting for S5 is
voltage output ("V" side).
*19 Set DIP switch S2 to "ON" to enable the termination resistor in the last drive in a MEMOBUS/Modbus
network.
*20 Use only SOURCE Mode for Safe Disable input.
*21 Disconnect the wire jumpers between terminals H1 and HC and terminals H2 and HC to use the Safe Disable
input.
◆
Wire Gauge and Torque Specifications
Be sure to select the correct wires for the main circuit wiring.
Refer to the Technical Manual for main circuit wire gauges and tightening torques as specified by European
standards and UL standards.
■
Control Circuit Wire Gauges and Tightening Torques
Refer to
Table 10.1
and
circuit terminal wiring. Use crimp ferrules on the wire ends for more reliable wiring.
EN 20
Table 10.2
to select the correct wires and crimp ferrules. Use shielded wire for control
YASKAWA ELECTRIC TOEP C710617 17D YASKAWA AC Drive GA700 Initial Steps
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