Rockwell-automation 8510 AC Spindle Drive System User Manual Manual de usuario descargar pdf (Pagina 63)

Interface Signal Descriptions

Chapter 7

7-59

Figure 7.1

Suggested Regenerative “Emergency” Stop Interface

+24V DC

Coast

User Supplied

Time Delayed

Dropout Relay

0V DC

User Interlocks

Time Delayed Relay Contacts

Coast

Drive Enable

CN9-4, 8, 12 or 17

Coast to Stop

Drive Enable

CN9-1

CN9-2

User “Emergency

Stop” Control

Drive Reset – CN9-3

When On, any fault conditions that are present will be reset and the drive

will begin the initial power-up sequence. If the fault condition still exists,

the drive will immediately return to the fault shutdown condition.

If a fault occurred while the motor was running, it is possible to reset and

then restart the drive while the motor is still coasting. The drive will regain

control of the motor and either stop it or return it to the commanded

operating speed, depending on the input signals applied.

Important: Approximately 2-3 seconds after a fault occurs, the fault

message is written to the fault history in EEPROM. If the Drive Reset is

turned On while the fault message is being written to EEPROM or while

parameter value changes are being written to EEPROM, the reset

command will be ignored. After the writing to EEPROM is complete, the

Drive Reset input must be replied to reset the drive. To avoid this, do not

apply the Drive Reset input until at least 5 seconds after a fault has

occurred.

Digital Ground – CN9-4, 8, 12, 17

These terminals serve as grounding points for the digital inputs.

Forward Run and Reverse Run – CN9-5, 6

Turning either the Forward or Reverse Run inputs On will cause the motor

to run at the speed commanded by the appropriate analog or digital speed

command input.

The relationship between the direction of rotation and the Forward Run and

Reverse Run digital commands and the analog velocity input command are

shown below. Direction of rotation is determined when viewing the motor

output shaft end.

Velocity Command input voltage + Volts – Volts

Forward Run Command On Counterclockwise Clockwise

Reverse Run Command On Clockwise Counterclockwise

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