Trade.Information

Product Name: PMAC VME - 8 Axis +/-10V Output Controller with VME Bus Interface

Product Description

The PMAC-VME offers high performance capabilities to the robust and highly expandable VME bus format. Providing up to 8-axis of control in velocity or torque mode.

Hardware Features
20 MHz DSP56002 CPU 
128k x 24 1 wait-state battery-backed SRAM 
128k x 8 PROM memory for firmware storage 
2k x 8 EEPROM memory for setup variable backup 
Latest released firmware version 
RS-422 serial interface, VME bus interface 
4 channels axis interface circuitry, each including: 
16-bit +/-10V analog output 
3-channel (A, B, C) differential/single-ended encoder input 
4 input flags, 2 output flags 
Interface to external 16-bit serial ADC 
Display, control panel, muxed I/O, direct I/O interface ports 
Buffered expansion port 
Clock crystal with +/-100 ppm accuracy 
PID/notch/feedforward servo algorithms 
1-year warranty from date of shipment 

Software Features
Trajectory Generation Features 
- Linear interpolation mode with S-curve accel/decel 
- Circular interpolation mode with S-curve accel/decel 
- Rapid point-to-point move mode 
- Cubic B-spline interpolation mode 
- Cubic Hermite-spline (PVT) interpolation mode 
- Automatic move-until-trigger functions with hardware capture 
- Interactive jog moves 
- Optional multi-move lookahead for velocity and acceleration limiting 
Servo Features 
- Standard digital PID feedback filter 
- Velocity, acceleration, and friction feedforward 
- 2nd-order notch/low-pass filter 
- Gains changeable at any time 
- Programmable input, integrator, and output limits 
- Optional 35-term “pole-placement” servo filter 
Commutation Features 
- Sinusoidal commutation of AC servo motors 
- Vector control of AC induction motors 
- Digital current-loop closure with direct PWM output (PMAC2) 
Compensation Features 
- Position compensation tables (1D & 2D) 
- Torque compensation tables 
- Backlash compensation 
- Tool radius compensation 
Safety Features 
- Hardware and software overtravel limits 
- Amplifier enable/fault handshaking 
- Following error limits 
- Integrated current limit 
- Encoder loss detection (some versions) 
- Watchdog timer 
- Program and communications checksums 
Computational Features 
- Real-time multi-tasking operating system 
- 48-bit floating-point math for user programs 
- Trigonometric and transcendental functions 
- Automatic type-matching of different variable types 
Feedback sensor types that can be processed 
- Digital quadrature encoders 
- Sinusoidal encoders, interferometers 
- Resolvers 
- Potentiometers 
- LVDTs, RVDTs 
- Parallel-format encoders, interferometers 
- MLDTs 
- Serial absolute encoders (e.g. SSI) 
Coordination and Master/Slave Features 
- User-defined coordinate systems for automatic coordination of axes 
- Separate coordinate systems for independent motion of axes 
- Multi-motor axis support (e.g. gantries) 
- Dynamic axis transformations (e.g. offsets, rotations, mirroring) 
- Electronic gearing (no programming required) 
- Electronic cams with programmable profiles
Motion Program Features 
- High-level programming language 
- Automatic sequenced execution of moves 
- Calculations and I/O synchronous to motion 
- Axes programmed in user engineering units 
- Motion values as constants or expressions 
- Automatic coordination of multiple axes 
- Ability to execute G-code programs 
PLC Program Features 
- Execution asynchronous to programmed motion 
- I/O control as in hardware PLC 
- Executive functions for standalone applications 
- Safety and status monitoring 
- Servo gain scheduling 
- Data reporting functions 
- Access to all registers in controller

Company Details

DELTA TAU Motion Partners offer much, much more than just high performance controllers. OEMs and manufacturers can choose from an extensive menu of products and services ranging from individual components, such as motors, amplifiers and... more