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Appendix B
MANUAL# 9675-1035-000-A
17
Appendix B - Spindle Drive Connection Interface
This section describes the spindle drive connections and how they are used in the typical application. Refer
to the spindle drive
. This drawing indicates the location of the
pins described below along with the location of the connector they can be found on.
B-1 Status Display
A diagnostic 7-segment LED display is provided for determining the general operating condition of the
spindle drive.
When the drive is operating normally, one of the outer six segments is lit. Each of the six outer segments
represents one of the six commutation states in a commutation cycle of a motor. A commutation cycle
consists of two poles. In a 4-pole motor, the LED will cycle through its six outer segments 2 times for one
revolution of a rotary motor. When the motor
’s current is clamped, (i.e. held to zero), or the spindle drive is
in a fault condition, one of the fault characters will be displayed as is appropriate to the fault or state.
Note
for more information on Drive status codes.
B-2 Controller Input and Output Signals
Signals that typically are connected to an external controller are described in this section. These signals
include the primary command signal interface to the spindle drive, Forward/Reverse, Wye/Delta, Hi
Gain/Lo Gain, Estop/Fault, load meter, encoder output signal, and common.
Signal
Description
SPEED CMD
Command signal analog input, reference to CMD Common.
SPINDLE
F RW R
Enable the motor in the CCW direction.
SPINDLE
REVERSE
Enable the motor in the CW direction.
WYE /
E T
Enable the motor either in WYE or DELTA mode.
HIGH /
W GAIN
Enable the motor either in HI or LO gain mode.
EST / F T
Bi-directional, functions as Emergency Stop input or Fault output.
LOAD METER
Analog output, indication of the load current on the motor.
AOut
Encoder A channel Output.
BOut
Encoder B channel Output.
ZOut
Encoder Z index Output (not used).
For the actual pin out of above signals, see
- Controller I/O Connector section
