Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 607)

Section 11A
Connecting 1394 Digital Drive Systems
11A-2
System Module -- This is the largest module in the 1394 Digital Drive
system (left most module). It contains the following circuit boards:
- CNC Interface Board -- This board provides the interface to the
Allen-Bradley 9/230 Digital 1394 CNC. Drive commands from the
CNC are wired to this board. Feedback from the 1326 motor resolver
is passed to the CNC through this board after being converted from
the 1326 motor resolver signal into encoder type A quad B and
U/V/W. Fiber optic connection to the 9/Series fiber optic I/O ring is
provided through this board.
- CNC Wiring Board -- The 1326 motors’resolver is wired to this
board which also provides power for resolver excitation. The Drive
OK relay contacts are also available on this board for connection to
the 9/Series E-Stop string.
- Power Supply -- This supplies power to the system module as well as
the axis modules. Attach incoming AC three-phase power here.
Axis Module - Connect up to four axis modules to the 1394 system.
Axis modules convert the DC power supplied by the system module to a
variable AC voltage (460V AC input provides 460 AC out, derated
380V AC input provides 380V AC out). This voltage will have
controlled phase, amplitude and frequency for regulating the speed,
torque and direction of the 1326 AC Servomotors. The axis modules
are available in a wide range of power ratings with continuous peak
capabilities of 200% of continuous rating for short durations.
Make motor connections for power, ground, brake, and thermal sensor
to each axis module. Each motor is wired to its own axis module.
1326 motors are described in the 1394 Digital AC Multiaxis Motion
Control System Users Manual. The 1326 series of motors operate at
either 460V AC or 380V AC. Connection of these motors is made
directly to the Axis Module.
Each 1326 motor is equipped with a resolver for motor commutation.
Resolvers are connected to the Wiring Board found in the system
module. Resolver signals are converted to a A quad B and U/V/W
encoder type signal on the CNC interface board before they are sent to
the CNC.
For details/dimensions/specification/etc. on any of these components, refer
to your 1394 Digital AC Multi-Axis Motion Control System Users
Manual.