Command Summary - Coordinated Motion Sequence

COMMAND

VM m,n

VP m,n

CR r,Θ, ±ΔΘ

VS s,t

VA s,t

VD s,t

VR s,t

BGST

CSST

AV s,t

AMST

TN m,n

ES m,n

VT s,t

LM?

CAS or CAT

DESCRIPTION.

Specifies the axes for the planar motion where m and n represent the planar axes and p is the tangent axis.

Return coordinate of last point, where m=X,Y,Z or W.

Specifies arc segment where r is the radius, Θ is the starting angle and ΔΘ is the travel angle. Positive direction is CCW.

Specify vector speed or feedrate of sequence. Specify vector acceleration along the sequence. Specify vector deceleration along the sequence. Specify vector speed ratio

Begin motion sequence, S or T Clear sequence, S or T

Trippoint for After Relative Vector distance.

Holds execution of next command until Motion Sequence is complete. Tangent scale and offset.

Ellipse scale factor.

S curve smoothing constant for coordinated moves

Return number of available spaces for linear and circular segments in DMC-1700/1800 sequence buffer. Zero means buffer is full. 512 means buffer is empty.

Specifies which coordinate system is to be active (S or T)

Operand Summary - Coordinated Motion Sequence

OPERAND

_VPM

_AV

_LM

_CS

_VE

DESCRIPTION

The absolute coordinate of the axes at the last intersection along the sequence. Distance traveled.

Number of available spaces for linear and circular segments in DMC-1700/1800 sequence buffer. Zero means buffer is full. 512 means buffer is empty.

Segment counter - Number of the segment in the sequence, starting at zero. Vector length of coordinated move sequence.

When AV is used as an operand, _AV returns the distance traveled along the sequence.

The operands _VPX and _VPY can be used to return the coordinates of the last point specified along the path.

Example:

Traverse the path shown in Fig. 6.3. Feedrate is 20000 counts/sec. Plane of motion is XY

VM XY

Specify motion plane

VS 20000

Specify vector speed

VA 1000000

Specify vector acceleration

VD 1000000

Specify vector deceleration

VP -4000,0

Segment AB

DMC-1700/1800

Chapter 6 Programming Motion • 103

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Galil DMC-1700, DMC-1800 Command Summary Coordinated Motion Sequence, Operand Summary Coordinated Motion Sequence, Example
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DMC-1800, DMC-1700 specifications

The Galil DMC-1700 and DMC-1800 are advanced motion controllers widely recognized for their high performance and versatility in the automation and robotics industries. These controllers are designed to meet the demands of complex motion control applications, providing users with enhanced features and innovative technologies that optimize motion precision and efficiency.

One of the main features of the Galil DMC-1700 is its ability to handle up to 8 axes of motion control. This capability makes it suitable for a range of applications, from simple point-to-point movements to intricate trajectories in multi-axis systems. In contrast, the DMC-1800 extends this functionality, supporting up to 64 axes, making it ideal for large-scale automation environments.

Both models leverage Galil's powerful programming interface, which simplifies the development of motion control applications. The DMC-1700 and DMC-1800 controllers utilize a high-level programming language that supports advanced motion commands, including linear interpolation, circular interpolation, and complex motion profiles. This feature allows users to implement sophisticated motion sequences seamlessly.

In terms of connectivity, the Galil DMC series offers multiple communication options, including Ethernet, RS-232, and CAN bus, ensuring compatibility with various hardware and enabling easy integration into existing systems. The controllers also come equipped with digital and analog I/O ports, providing flexibility for sensor feedback and actuator control.

The advanced technology incorporated into both the DMC-1700 and DMC-1800 includes on-board PID control, which ensures precise motion control through closed-loop feedback. This results in improved stability and accuracy, particularly in high-speed applications. Additionally, the controllers offer extensive diagnostics and monitoring capabilities, allowing for real-time performance analysis and troubleshooting.

Another notable characteristic of these motion controllers is their compact design, which offers space-saving advantages while maintaining high processing power. Their robust construction and ability to operate in challenging environments make them suitable for a wide range of industrial applications, from CNC machining to assembly lines.

In conclusion, the Galil DMC-1700 and DMC-1800 motion controllers stand out due to their high-performance capabilities, advanced programming features, and flexibility in connectivity. With their ability to handle complex motion control tasks efficiently, these controllers are invaluable tools for engineers and manufacturers looking to enhance their automation processes. By integrating Galil's innovative motion control technology, industries can achieve greater precision, speed, and reliability in their operational workflows.
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