F4200N Manual - Fisnar.fr

F4200N Operating Manual
Section 5: Point Type & Function Reference
Part # 562187N
Rev. C Jun 2011
5. F4 (Setup Menu)
Below is a list of functions, which are found under the SETUP key. These functions are all
related to the setup of dispensing parameters.
5.1 Line Speed
Registers the line speed used for all lines from the current memory address forward until
another Line Speed instruction is found.
5.2 Line Dispense Setup
When dispensing high viscosity materials, there is often a delay from the moment the
dispenser is turned on until the material begins to flow. The following parameters are set
under this function: Head Time, Tail Time, Node Time and Tail Length.
The Head Time setting is a delay time used at the start of line dispensing to prevent the
tip from moving along the line path until the material is flowing. The tip will move to the
start of the line, turn on the dispenser and wait for the time period specified in the head
time setting before moving. The time value can be adjusted to ensure that the material
begins flowing at the same time as the line movement begins.
At the end of dispensing, a delay is often required after the dispenser is turned off, to allow
the barrel pressure to equalize, before moving to the next point location. This prevents
material from being „spilled‟ where it is not wanted. This time delay at the end of
dispensing is called the Tail Time.
The Node Time parameter enters a wait time that only affects the Line Passing
command. Tip will pass through line passing point and will wait at line passing point with
the dispenser activated for the time specified in the Node Time.
Usually the material continues flowing after the dispenser is off, due to pressure built in
the system. Tail Length automatically turns off the dispenser at a user defined distance
before the end of a line, preventing excess of material to be deposited at the end of the
line.
- Page 72 - © 2011 Fisnar Inc.