Rockwell-automation 8510 AC Spindle Drive System User Manual Manual de usuario descargar pdf (Pagina 79)

Wiring

Chapter 8

8-75

Grounding

All equipment and components of a machine or process system shall have

their chassis connected to a common earth ground point. This ground

system provides a low impedance path that helps minimize shock hazards

to personnel and damage to equipment caused by short circuits, transient

overvoltages and accidental connection of energized conductors to the

equipment chassis.

Grounding requirements, conventions and definitions are contained in the

National Electrical Code or appropriate national codes. Local codes will

usually dictate what particular rules and regulations are to be followed

concerning system safety grounds.

Wiring Clearance and Routing

Although the minimum clearance should be maintained for proper cooling,

this space may not always provide proper wiring clearance. The minimum

allowable wire bending radius may necessitate that extra space be provided

to accommodate power wiring. Consult the National Electrical Code or the

appropriate national or local code for the proper wiring method.

Signal Wiring

The 8510 inputs and outputs are all rated for +24V DC. The +24V DC

voltage source must be supplied by the user. Each input that is used

requires about 10mA of input current and all outputs are physical contact

closures.

All signal connections are made through MR series Honda connectors. The

mating connectors required for signal interfaces are as follows:

Function Number Honda Type

Standard I/O (Always Required) CN9 MR-50LF

Motor Resolver Feedback (Always Required) CN3 MR-20LF

Digital Position/Speed Input (Optional) CN10 MR-20LF

Spindle Orient Feedback (Optional) CN2 MR-20LF

Dual Winding Motor Control (Optional) CN1 MR-20LF

Three termination options are available for each of the connectors.

l) A mating connector kit that requires the user to supply the cable and

terminate directly to the Honda connector. This is a solder type

connector. A crimp connector, the MRP series, is available from the

manufacturer.

2) A termination panel that provides a prefabricated 1.5 m (5 ft.) cable

from the drive connector to a DIN rail mounted terminal block

interface module. User wiring is to the terminal block.

3) A cable assembly in varying lengths with the Honda connector wired to

one end. The other end is loose cable leads for user termination as

required.

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