Gram IF 4000 Manual De Uso página 304

Power Terminal Block
The drive utilizes a finger guard over the power wiring terminals. To
remove:
1. Press in and hold the locking tab.
2. Slide finger guard down and out.
Replace the finger guard when wiring is complete.
Figure 1.4 Power Terminal Block (Typical)
B Frame
R/L1 S/L2 T/L3 U/T1 V/T2
DC- DC+ BR+ BR-
(1)
Terminal Description
R/L1, S/L2 1-Phase Input
R/L1, S/L2, T/L3 3-Phase Input
U/T1 To Motor U/T1
V/T2 To Motor V/T2
W/T3 To Motor W/T3
DC Bus Inductor Connection (C Frame drives only.)
The C Frame drive is shipped with a jumper between
P2, P1
Terminals P2 and P1. Remove this jumper only when
a DC Bus Inductor will be connected. Drive will not power
up without a jumper or inductor connected.
DC+, DC- DC Bus Connection
BR+, BR- Dynamic Brake Resistor Connection
[0.75 kW (1 HP) ratings and higher]
Safety Ground - PE
(1)
Important: Terminal screws may become loose during shipment. Ensure that all
terminal screws are tightened to the recommended torque before applying power to
the drive.
C Frame
W/T3 R/L1
=
Installation/Wiring
S/L2 T/L3 U/T1 V/T2 W/T3 P2
DC- DC+ BR+ BR-
Switch any two motor
leads to change
forward direction.
1-11
P1