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GALIL DMC-1780 8-AXIS ISA MOTION CONTROL BOARD We gladly ship Worldwide* Scroll down for more Photos and details Galil motion control DMC-1780 rev C & CB-50-100 rev B 8-axis Galil motion control DMC-1780 rev C S/N's: WW-1901 and WW-1601 Galil motion control CB 50-100 rev B DMC-1780 8-axis motion controller with CB-50-100 Cable assembly to provide 100 connection for axis 5-8
Galil's DMC-1780 motion controller is fully programable and can control up to 8 axis of servo motors, stepper motors, and hydraulics.
Features:
Plug and Play
Dual communication channels including DMA and FIFO
62.5 microsecond per axis servo update rate
Binary or ASCII communication modes
Up to 8 axes of motion control
Controls servo motors, step motors, and hydraulics
12,000,000 counts/sec encoder feedback
16-bit DAC
3,000,000 steps/sec for stepper control
Non-volatile program memory
Multitasking of eight independent programs
Modes of motion: jogging, point-to point positioning, linear and circular interpolation, electronic gearing and cam, and contouring
Optoisolated inputs for home, abort, limits
8 uncommitted, optoisolated inputs (5-28 VDC) and 8 programmable outputs
8 analog inputs with 12-bit ADC ( 16-bit optional )
High-speed position capture
High speed encoder compare output
Programmable event triggers ( trip points )
I/O functions and timers for executing PLC tasks
Flash EEPROM for firm-ware updates, program, parameter and array storage
100-pin high density environmental connector minimizes EMI
Uses 32-bit specialized microcomputer and custom, submicron gate array for highest performance
Sophisticated PID filter with velocity and acceleration feedforward for optimum precision
High-speed command processing with bus interrupts
Programmable acceleration and deceleration with profile smoothing to eliminate jerk
Continuous vector feed of infinite number of linear and arc segments for smooth motion
Contour mode for profiling along computer generated paths such as parabolic or spherical profiles
Relative and absolute positioning with more than 2,000,000,000 counts per move
High-speed position latches on each axis
Error handling including programmable software limits, automatic error shut-off, amplifier enable, user-defined error subroutines, and watchdog timer
Comprehensive status reporting for position, speed, torque, error, and inputs
Modes of Motion: Independent Axis Positioning: In this mode, each axis follows its own prescribed profile. The user specifies the desired absolute position (PA) or relative position (PR), along with the acceleration rate (AC), deceleration rate (DC), and slew speed (SP). Position can be interrogated at any time using the tell position (TP) command. Jogging:The jog mode allows the user to command each motor to run at a prescribed jog speed. The user specifies the jog speed (JG), the acceleration rate (AC), and the deceleration rate (DC). On begin (BG), the motor accelerates up to the jog speed and continues at that speed until a new speed or stop command (ST) is issued. The direction of motion is specified by the sign of the JG parameter. The JG, AC, and DC parameters can be changed at any time during motion. Average speed can be interrogated at any time using the tell velocity (TV) command. Linear Interpolation: The DMC-1700 provides a linear interpolation mode for any combination of 1, 2, 3, and 4 axes. Here, motion between the axes is coordinated to maintain the prescribed vector speed (VS), acceleration rate (VA), and deceleration rate (VD) along the specified path. The path is described by incremental distances (LI) for each axis. Several LI segments can be given prior to and during motion allowing infinite paths to be followed without stopping. There is no limit to the total move length. Linear and Circular Interpolation: The DMC-1700's coordinated motion mode (VM) makes it easy to follow a two-dimensional path consisting of multiple straight-line and arc segments. Here, the user programs linear moves (VP) and circular moves (CR), in addition to the feed- rate (VS), vector acceleration (VA), and deceleration (VD). There is no limit to the number of segments that can be specified allowing long motion paths to be followed without stopping. The coordinated motion mode is useful when a constant vector speed must be maintained along a two-dimensional path, such as in engraving or adhesive applications. The vector speed can be changed at any time during motion, which is ideal for slowing down around sharp corners. The user can also command a third axis to remain tangent to the coordinated path, which is ideal for cutting tools. Motion Smoothing: To eliminate the jerk of mechanical systems, the DMC-1700 provides profile smoothing. The acceleration profile is filtered with the IT command for independent moves and the VT command for coordinated moves. Contouring:The contouring mode allows the user to bypass the DMC-1700 motion profiler and prescribe any arbitrary position trajectory Position increments (CD) over a time interval (DT) are specified for each axis. The contouring mode is useful when complex and computer-generated trajectories must be followed. An automatic data recording feature allows the DMC-1700 to "learn" a path and then follow it in the contour mode. Electronic Gearing: This mode allows up to four axes to be electronically geared to up to four masters. The master axis (GA) may rotate in both directions and the geared axes will follow at the specified ratios (GR). The gear ratio can be changed during motion. An axis can be geared and do an independent or vector move simultaneously which is useful for the precise synchronization required in flying-shear applications. The electronic gearing mode eliminates mechanical gears and is also useful for gantry apphcations where a special command (GM) tighty couples the two axes. Electronic Cam: This mode allows synchronizing up to seven axis with a master axis according to any function. The cam functions, which are specified by a table, define the required position of the followers point by point along the motion cycle. The master axis may be a driven axis or just a master encoder. It may rotate in either direction. The position of the master axis and the follower axes may be expressed in modulo form, limiting the value to one cycle. This simplifies the of points and events along the cycle. Any follower axis may be engaged or disengaged independently at specific points along a cycle. This allows selecting the engagement and disengagement points as those where the speed change of the follower is most gradual. The electronic cam is an ideal mode for periodic operation, especially those requiring varying gear ratio along the motion cycle. Such applications include flying shears, rotating knives and packaging systems. Dual Loop: The dual-loop encoder feature enables the DMC-1700 to compensate for backlash. There are two compensation methods. The continuous dual loop, which performs the correction along the move, and the sampled dual loop, which performs the correction at the final point. In both cases two encoders are used for each axis. The two are mounted on the motor and on the load. The continuous dual loop, which is activated with the instruction DV1, closes the position loop with the load encoder and derives the damping terms from the motor encoder. This method provides backlash compensation along the motion path. The sampled dual loop performs the correction at the end of the move. Sinusoidal Commutation: The DMC-1700 is available with the sinusoldal commutation option. In this mode, the controller performs a sinusoldal commutation of linear brushless motors and outputs the sinusoldal signals necessary to drive the motor phases. This method allows the use of low-cost amplifiers, thereby reducing the system cost. The initialization procedure can be customized for the users, according to the available sensors such as incremental encoders, hall sensors, absolute encoders, or resolvers. High Speed Encoder Compare: The OA command waits for an encoder to reach a specified starting position and then produces a pulse every time the encoder passes a second specified distance. This feature is useful for triggering extemal events to exact positions within 0.5 microseconds. Homing:The home (HM) command can be used to home each motor to an external mechanical reference and an encoder index signal. The home speed (SP) is programmable and the polarity of the home switch is selectable using the (CN) command. Alternative homing sequences can be created with the FE and FI commands.
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