Customer Supplied Control Bus Power—Frame 7
Customer connections to provide the control bus with 240V AC and 24V DC power are provided in the power bay of PowerFlex 755T frame 7 product.
240V AC Terminal Block and Control Bus Connections—Frame 7
Use terminal block TB3 to connect an external 240V AC power source to
PowerFlex®
755TM bus supplies that do not have the internal C1 control transformer option.
IMPORTANT:
Do not connect an external 240V AC control power source to 755TM bus supplies that are equipped with the internal C1 control transformer option. See the system nameplate for 240V AC input requirements to verify that an external control power supply is required.
PowerFlex 755TL and 755TR drive products come equipped with the C1 control transformer. An external control power supply is not required for these products.
Terminal Block | Frame [IP21 and IP54] | Wire Size | Strip Length | Recommended Torque |
|---|---|---|---|---|
TB3 | 7 | 6 mm² (22…8 AWG) | 12 mm (0.47 in.) | 1.6 N•m (14.2 lb•in) |
Control bus | 7 | 2 mm² (26…14 AWG) | 12 mm (0.47 in.) | — (spring type) |
24V DC Terminal Block and Control Bus Connections—Frame 7
Use terminal block TB5 to connect an external 24V DC power source. This source provides auxiliary power to the control pod and other control circuits when main power has been removed.
Terminal Block | Frame [IP21 and IP54] | Wire Size | Strip Length | Recommended Torque |
|---|---|---|---|---|
TB5 | 7 | 6 mm² (22…8 AWG) | 12 mm (0.47 in.) | 1.6 N•m (14.2 lb•in) |
Control bus | 7 | 2 mm² (26…14 AWG) | 12 mm (0.47 in.) | — (spring type) |
Product | Frame | Maximum Power Requirements [Watts] |
|---|---|---|
755TL and 755TR drives | 7 | 240 |
755TM bus supplies | 7 | 209 |
TB3 and TB5 Terminal Block Locations—Frame 7
Frame 7 Power Bay Terminal Block Location
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