Mint NextMove PCI Manual de usuario descargar pdf (Pagina 23)

NEXTMOVE PC

High Performance

2-8 Axis PC Bus

Motion Controller

P rogrammable Functions

• 2 to 8 axis servo/vector/stepper

control.

• Fast 32 bit floating point DSP delivers

250µS update time for 4 servos.

• ISA PC bus plug-in card.

• CE compliant design.

• Dual Port RAM interface to PC.

• Digital and analog I/O.

• MINT™ or “C” programming.

• CANbus port for distributed I/O and

operator interface.

• Multi-axis interpolation across eight

axes, mixed vector/servo/stepper.

• Gearing, CAMs, flying shears and

much more.

• 512k RAM for program and data

storage.

• 25µS position capture input.

• Feed rates, and feedrate override can

be associated with interpolated moves

when used in high speed contouring.

• High speed position latch for precise

product registration.

NextMove PC is programmed in Baldor’s easy to use MINT language, or in “C”. Both the MINT programming

language and C function libraries support a wide range of motion and control functions as outlined below.

Positional Moves

Absolute & Relative moves allow high speed point to

point motion on one or all axes.

Speed, Acceleration & Deceleration can be defined

for each move type.

Trapezoidal profiled moves provide the fastest point

to point move but exert the maximum jerk and shock

on a system.

S-ramp profiled moves provide a more smooth

velocity profile that prolongs the life of machine

mechanics.

Interpolated Moves

Linear Interpolation across any eight axes, (mixed

vector/servo/stepper) allows positional moves to be

defined in terms of a linear vectors. Absolute and

relative vectored moves are supported.

Circular Interpolation across any 4 pairs of axes

simultaneously (mixed vector/servo/stepper) allows a

complete or partial arc to be defined. Absolute and

relative circular moves are supported.

Splining allows a stream of moves, defined in terms

of position, velocity and time to be blended together

into a continuous and smooth motion. This is used in

applications where path speed and continuous veloci-

ty are important.

Contouring allows a string of linear and circular

interpolated moves to be blended together into a

continuous complex path of motion.

Master/Follower

Electronic Cam replaces the traditional mechanical

cam with a servo motor and software programmable

cam profile. NextMove PC supports one cam profile

for each of the eight axes (vector/servo or stepper).

Any axis may be defined as a Master input to a cam

and multiple master/cam relationships are supported.

Electronic Gearbox & Clutch enable two motor

shafts to be linked together in precise synchronization

with a software programmable gear ratio. NextMove

PC allows any axis to be geared to any master. Any

axis may be defined as the master. Multiple

master/gear relationships are supported

Flying Shear allows operations to be performed at

regular intervals on a continuously moving web.

Acceleration, synchronization and return stroke are

linked by software to the movement of the product.

PC Communications

Dual Port RAM is used to communicate program,

data and control commands between the PC and

NextMove card. This provides a very high speed and

efficient method of transferring information without

over burdening the PC and NextMove processors.

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