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F4000N Series Operating Manual Section 5: Point T ype & Function Reference Part # 562187N - 1 Rev . D Sep 201 2 75 © 20 12 Fisnar Inc. The value wil l be used for all lines from the current memory ad dress forward un…

F4000N Series Operating Manual

Section 5: Point Type & Function Reference

Part # 562187N-1

Rev. D Sep 2012

5. F4 (Setup Menu)

Below is a list of functions, which are found under the F4 (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.

F4000N Series Operating Manual

Section 5: Point Type & Function Reference

Part # 562187N-1

Rev. D Sep 2012

The value will be used for all lines from the current memory address forward until another

Tail Length instruction is found.

Values for the Head Time and Tail Time used when performing line dispensing are

registered by pressing the F4 (Setup) key, then selecting Line Dispense Setup. The set

values will be used by all lines from that memory address forward until new set of Line

Dispense Setup values are found.

Please see SECTION 6:Sample Programs for an example of the Line Dispense Setup

instruction.

5.3 Point Dispense Setup

Registers POINT DISPENSE SETUP values which set dispensing time and waiting time at

the end of dispensing („tail‟ time) for dots. The registered values will be used from the

current memory address forward until another POINT DISPENSE SETUP instruction is

found.

5.4 Dispense End Setup

Dispense End Setup allows the L.Length, L. Speed and H. Speed values to be registered

at a memory address. These values will effect how far and how fast the tip rises after

dispensing.

After dispensing a dot or line, it is often required to raise the tip a short distance at a slow

speed. This allows the material to cleanly break free from the tip, without „dragging‟

material where it is not wanted.

Dispenser Turns Off here

Tip continues moving to end of line

Tail Length

F4000N Series Operating Manual

Section 5: Point Type & Function Reference

Part # 562187N-1

Rev. D Sep 2012

The distance and speed that the tip raises after dispensing is controlled by the L.Length

and L.Speed settings.

After the tip raises the length specified by L.Length at the speed specified by L.Speed,

the tip will continue rising to the Z Clearance height at the speed specified by H.Speed.

The purpose of specifying a Z Clearance height is to allow the tip to raise high enough to

clear any obstacles it may encounter on the way to the next point.

Values for H.Speed, L.Speed and L. Length are registered with the Dispense End Setup

function by pressing the F4 (Setup) key, then choosing Dispense End Setup.

Once Dispense End Setup values have been registered at a memory address, all points

after that memory address will use the values specified. If Dispense End Setup values are

registered again, at a higher memory address, all points from that memory address

forward will use the new values.

Please see SECTION 6: Sample Programs for an example of the Dispense End Setup

instruction.

H. Speed 2: Tip continues rising to

Z Clearance height at H. Speed

L. Length 1: After dispensing, the tip

rises to L .Length at L. Speed

Z Clearance