ABB USC329AE01 3BHB002483R0001 Channel isolation module

In common with the drives, both power supply types require a separate 24V DC supply to power internal control circuits, which allows the operation of communication and diagnostic facilities to be maintained in the event of a 3-phase power failure. The supply is brought into the power supply via connector X1. 24V Power Supply Rating The 24V DC power supply required to support communications and system diagnostics is also required to supply drive cooling fans (if fitted) and motor holding brakes (if fitted). The supply should have the following specification: Output voltage 24V DC ±10%

SV-M Drives

 SV-M Drives are designed for use in multi-axis systems, where two or more drives can share a single power supply. The three higher power drives share the same package style and dimensions and can be through panel mounted. Note the same style and dimensions are also used for the NMD10 and NMD20 power supplies, which allows consistent in-line mounting of drives and supplies. Dimensions and Mounting Details All drives and power supply units can be mounted directly on to a flat surface, as shown in Figure 2-4. The recommended mounting position is upright, as shown, with a minimum of 65mm clearance above and below the drive for good ventilation.

All drives, apart from the P100

 may also be mounted with the heatsink protruding through the mounting surface as shown in Figure 2-5. This has the advantage of allowing heat dissipated by the drive to be lost externally - preventing heat build-up within equipment cabinets.All drive types will require DC bus connections from either the NMD10 or NMD20 power supplies as well as the independent 24V DC power supply connection.

Common problem

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