User Manual

5-2 Operation
5.5 Easy Coat for Windows XP (ECXP)
ECXP is Nordson ASYMTEK's proprietary conformal coating software for use in a Windows XP
environment. The software allows the user to develop program files (.ECW file extension), which contain
all the robot moves and I/O operations necessary to coat the workpiece. Refer to 5.17 Loading a Program
and 5.18 Running a Program for detailed instructions on how to load and run a dispensing program.
 NOTE A workpiece is defined as a board or substrate (PCB, PWB, etc.) or a carrier (pallet,
auer boat, lead frame, etc.) to be dispensed upon.
5.6 Dispensing Operations
All coating operations take place in a workcell. The workcell contains a robot with a coating applicator
mounted on the robot tool arm and a conveyor or adjustable tooling rails.
5.6.1 Robot Concepts
5.6.1.1 Home
The home position of the robot is a known position within the workspace defined by X, Y, and Z
coordinates. It is located at the front left of the workcell.
5.6.1.2 Robot Motion
Robot moves are specified as coordinates on the X, Y, or Z-axes. If a move combines motion in all three
axes, and the Robot Controller cannot move the robot in the Z-axis at the same time as the X and Y-axes,
then the move is performed (depending on the Safe Z Height setting) as follows:
• If the destination is higher than the starting point, the Z motion is performed first.
• If the destination is lower than the starting point, the Z motion is performed last.
5.6.2 Tool
A tool consists of one of the following: (1) coating applicator and nozzle, (2) teach camera, or (3) laser
pointer for programming.
5.6.2.1 Tool Offset
The tool offset is the X, Y, and Z distance from the robot's lower tooling pin to the tool tip (the end of the
nozzle). Robot position is calculated using the coordinates of the tooling pin plus the offset. Refer to
6.12 Robot Configuration to establish Tool Offsets.
5.6.2.2 Safe Z Height
This is the height below which the tool tip cannot go when moving in the workcell. It prevents the tool tip
from colliding with a board component, a fixture, or the conveyor. The Safe Z Height is set in the ECXP
program. Refer to 6.12 Robot Configuration to set the Safe Z Height.
5.6.3 Fixture
Fixture is defined as the location inside the work area used as a consistent and repeatable point for
positioning and queuing the product that will be coated. Refer to 6.9 Fixture Configuration.