Rapid-Air HT User Manual

SERVO FEED

WITH TRANSTERM

OPERATING INSTRUCTIONS

MODELS

C, S, X, HT SERIES

RAPID-AIR CORPORATION

4601 KISHWAUKEE ST. • ROCKFORD, IL 61109-2925

Phone: [phone] • Fax: [phone] • Web Site: www.rapidair.com

RAPID-AIR START UP SECTION
Transterm Standard Program Servo Feed

Congratulations on purchasing a Rapid-Air Servo. Not only did you receive a complete
servo unit but also telephone support by one of our engineering staff to guide you on
using the new servo to it’s maximum capability.

In order to maximize your learning time and trouble shoot any interface problems. We
would like to request that the following items be complete before calling us.

1. Servo unit should be completely installed and aligned to a die on the press.

2. 220 Vac electrical wiring should be in place and unit turned on.

3. All interface switches should be wired and tested.

4. Air if needed should be connected and ready to be used.

5. All servo interface questions should be directed to your distributor first then to
Rapid-Air. Please call 815-397-2578 and ask to have these questions directed to the
proper personnel.

1

TABLE OF CONTENTS

CHARTS AND DRAWINGS DIRECTORY pg. 3

INTRODUCTION pg. 4

INSTALLATION AND MECHANICAL SETUP pg. 5

INSTALLATION OF MOUNTING BRACKET pg. 6

MECHANICAL ROLL RELEASE SETUP pg. 7

ELECTRICAL CABLES AND AIR LINE pg. 8

INTERFACING FEED WITH PRESS pg. 9

PRETEST WRITE UP pg. 10

LOADING MATERIAL pg. 11

SERVO INTERFACING EXPLANATION pg. 12-13

RESET JOB PARAMETERS pg. 14

PROGRAM NUMBER DISPLAY pg. 15

PROGRAMMING PROCEDURE pg. 17

DRIVE ROLL PARALLELISM ADJ. pg. 23

TROUBLESHOOTING pg. 24

FAULT DISPLAY - FAULT CODE pg. 26-27

OPERATIONAL MAINTENANCE PROCEDURES pg. 28

PRECAUTIONS AND SAFETY pg. 30

WARRANTY pg. 31

2

CHARTS AND DRAWINGS

PLAN 100 SERIES

PLAN 200 SERIES

PLAN 300 SERIES

SERVO BRACKET SIDE 100 SERIES
200/300 SERIES - 4&8”

ELECTRICAL PANEL LAYOUT

OPERATORS TERMINAL LAYOUT

PROGRAMMING MAP

JOB INPUT SEQUENCE

MANUAL SEQUENCE

AUTOMATIC SEQUENCE

STROKES PER MINUTE VS. FEED WINDOW

PRESS-FEED AND PILOT SWITCH SETTINGS

INTERFACE SCHEMATICS - 752

SERVO PARTS BREAKDOWN

3

INTRODUCTION

The Rapid-Air servo feed carries with it the quality and reliability you have grown to
expect from a Rapid-Air product. The motion control system is a programmable
industrial computer and this advanced technology combined with a highly engineered
precision roll feed, is an unchallanged combination in the press industry.

The compact mechanical package, direct coupled with a brushless servo drive motor,
offers response and feed speed accuracy unparalleled in any other powered roll feed.
Operator interface is so simplified, a typical setup person can have the servo feed
programmed and running in a matter of minutes. A step by step prompt on the four
line 80 character display asks simple questions of the operator. Entry of feed length,
strokes per minute, % maximum speed and pilot are all that is required for a new
setup. Routine jobs can be stored, recalled, changed and saved or run with a simple 2
digit job number entry. Up to 99 jobs may be stored and recalled at will.

Operator programmed feed length, up to 999.999 inches and % max speed selection
along with full jog features, allow the operator to thread the material and inch it into
position. The inch feature enables the operator to jog the servo feed forward or
reverse at a slow rate. The operator can select jog to length or jog continuous to aid in
threading up material.

The precision mechanical roll feed unit has been designed for compactness, ease of
setup and installation. A 230 volt, 3 phase supply and an air line are all that is required
of the customer. Two cables with twist lock plugs and one or two cables for the air
valve control are supplied with the control and need only be connected to the proper
locations. The electrical controls are housed in a small cabinet which should be
mounted close to the press working area. The operator keypad and display are
mounted on top of the control area

4

INSTALLATION AND MECHANICAL SETUP OF SERVO FEED

The shipping container should contain:
1 Mechanical Servo Feed -Standard
1 Console Complete -Standard
1 Cascade Assembly -Optional (100 Series) (Standard 200-300 Series)
1 Servo Mounting Bracket -Optional
1 Guide Support Assy. -Optional

If a mounting bracket was purchased then it should be installed at this time. There are
mounting bracket prints in the back of the manual for hole location dimensions and a
bracket mounting instruction section can be found later in this section.

If a mounting bracket was not purchased then the feed should be positioned with the
centerline of the drive roller in line with the centerline of the die entrance and at the
proper pass line height to the die. Aligning the feed to the die (Parallelism) is very
important to the accuracy of the feed. Drag due to misalignment can cause short feeds
and servo faults.

If the feed is positioned as such that the material has to move unsupported from the
exit side of the feed to the die and the material being moved is allowed to droop or
buckle during a move, a short feed can occur. A guide should then be built between
the feed and the die to solve this problem.
The following chart lists the servo size with the proper bolt size.

SERVO BOLT QUANTITY
Series 100 All 3/8-16 4
Series 200 4&8” Wide 3/8-16 4
12” Wide 1/2-13 4
Series 300 All 1/2-13 4

The servo mounting bolts should not penetrate into the servo body by more
than .625".

5

INSTALLATION AND MECHANICAL SETUP OF MOUNTING BRACKET

The cast mounting bracket is available for mounting the servo feed directly to the
bolster plate of the press. There are several sets of mounting holes in the bracket to
afford the setup person an efficient means of mounting the bracket. Mounting holes
are located on the top and front for securing the bracket firmly. It is very important that
the servo bracket and the servo feed be secured and not allowed to float or vibrate.

Note: It is very important that the end of the bolster plate where the servo feed is to be
mounted, be perpendicular to the top surface of the bolster plate within +-.005 to
assure the servo feed will be aligned for proper feeding.

Align the servo feed bracket with the center line of the bolster plate and transfer the
mounting holes on the top face. There are two 1/2” holes on the smaller bracket and 3
1/2” holes on the large bracket.

Once the bracket has been aligned and secured to the bolster plate, the servo feed
can now be put in place. The slotted holes in the mounting bracket allow for accurate
alignment of the servo feed in the x-y axis. There is an elevating screw to position the
servo feed to the proper tooling pass line height.

When the servo feed has been aligned and mounted to the bracket, loosen the
elevator locking screws and position the servo to match the tooling pass line height.
This is accomplished by turning the adjusting screw provided. When the servo is
correctly positioned, tighten the elevator locking screws to prevent the unit from
moving. There are 2 locking screws on the small bracket and 3 locking screws on the
large bracket.

The unit is now assembled and the next step will be to attach the electrical and air to
the servo feed unit.

Material alignment is critical. The servo feed rolls are so precise that they will move the
material in whatever direction that they are presented to the die. The feed and die must
be in line and square to one another. The servo feed does not have the power of a
press driven roll feed so the feed will fault out if misaligned. This is a good warning
and if corrected could result in better tool life.

6

MECHANICAL ROLL RELEASE SETUP

All Rapid-Air feeds are set up to add a mechanical pilot release. If the mechanical pilot
release is used, and we recommend this for press speeds faster than 250 SPM, then
a bracket must be fabricated and attached to the press ram to actuate the pilot release
mechanism.

(Note: The roll release height adjustment screw should be backed off all the way to
prevent jamming when using the mechanical release.

The bracket should be made adjustable for tuning to the press position in which the roll
release should occur. Some attention should be given to the bracket stroke length so
that the release mechanism is not jammed into the feed during the press stroke.

The 100 series pilot release actuator has a 1” stroke to full open with an
additional .750” overtravel before bottoming out.

The series 200 and series 300 pilot release actuator has a 2” stroke to full open with an
additional .750” overtravel before bottoming out.

We do not offer any manufactured bracket to assist you because there are as many
combinations for stroke and clearance as there are presses manufactured today.

We do, however, ask that the bracket be designed to withstand considerable
resistance as the mechanism has to defeat or overcome the incoming air pressure or
roller pressure spring force depending on which servo unit you purchased.

ELECTRIC PILOT RELEASE
If an electric pilot release is used and the servo is a series 200 or series 300 then a
switch from the press has to be wired into the control box to control when the release
has to take place. If a series 100 was purchased then an optional pneumatic pilot
release has to be purchased.

OPTIONAL PILOT RELEASE #10900449 (100 series)
The optional pilot release package consists of a valve, fitting, relay and solenoid cable.
A switch signal from the press has to be wired to the control panel and an air line has
to be connected to the valve from the main shop air. The relay and solenoid cable will
have to be mounted and wired in the electric cabinet if it is to be used with the
program.

Optional Mechanical Pilot Release - 100 series #10900483
Optional Mechanical Pilot Release - 200 series #10900489
Optional Mechanical Pilot Release - 300 series #10900490

7

ELECTRICAL CABLES AND AIR LINE

230 VAC INPUT
The required in put voltage to the control is 230 Vac, 3 Ph, 60 Hz. The amperage
needed is 10 amps for the 953 control. If unsure of the amperage needed, the name
plate on the side of the Pacific Scientific drive will give the number of the control or
check the disconnect fuses for the correct fuse size.

460 VAC INPUT
If your plant has only 460 Vac power then a step down transformer is needed in order
to run the servo feed. If you purchased the transformer from Rapid-Air then all that is
needed is to connect and wire the 460 volt line to the transformer. If you did not
purchase a transformer from Rapid-Air then a transformer, 3 KVA for the 100S and
200S servos and 6KVA for the 300S servos, 460/230 VAC 3PH, 60HZ step down
transformer is needed before proceeding with the electrical portion of the installation.

The electrical control enclosure is shipped completely ready to be connected to the
mechanical feed. Connected to the bottom of the enclosure are (2) cables with keyed
screw type connectors for connection to the motor and if the series 200 or 300 was
purchased, (1 or 2) push on connectors for connection to the air valves for solenoid
actuation of the pilot release and or anti-backup valve.

Position the electrical enclosure at a convenient location near the mechanical feed and
attach the cables. The motor cables are easily identifiable by the amount of pins in the
plugs. The solenoid cables if any can now be attached and checked for proper
location when the feed is up and running.

An air line must be connected from the shop air to the air inlet of the servo feed. The
air should be at least 80 PSI continuous and should be dry filtered and lightly lubricated
for the best operation of the servo feed. The air inlet on the servo feed is a 3/8-18 NPT
pipe tap. The minimum air line size requirement is 1/2”ID hose. - (2 CFM)

8

INTERFACING SERVO FEED WITH A PRESS

The Servo Drive unit is a slave to the press therefore it needs a command from the
press to operate in the automatic mode.

The command is in the form of a normally open contact from a limit switch, cam switch
or an electronic feed interface device that can be programmed.

The contact should be commanded or activated at 270 degrees of the press stroke or
when the tooling is clear of the material and released and turned off at around 350
degrees of the press stroke. The significance of the release position is to insure that
the feed switch is released with the press top stopped. Once the program senses a
closure of the feed input, it will command a move and will complete the move
regardless of the switch position.

The air operated pilot release also has to have a signal input to operate. The pilot
signal should be set to turn on when the point of the pilot is entering the hole. This
signal then commands the air roll release to raise and release the material, letting the
pin pull the material forward into position. The release should be then commanded to
turn off at approximately 180 degrees, letting the rollers return to a holding position for
the next move.

The roll release stop adjustment screw is located at the entrance of the feed. (See
drawing for your servo) The screw is used to limit the travel of the roller during
release. Adjustment may be necessary if using air pilot release at a somewhat high
speed with the pilot release deactivating and feed switch activating at a close proximity
with each other in degrees of press stroke. To adjust, insert material into the feed,
lower rolls, adjust screw, using 3/16 hex wrench, to full in. Release rolls and adjust
screw so the material is free to be pulled in by the pilot pin. The adjustment is now
complete.
(NOTE: This adjustment does limit the manual roll release travel. If this causes a
problem back off the adjustment a little.)

The schematic in the back of this manual points out the switch or contact connections
for wiring the interface. Locate the feed and pilot signal input and wire per print. The
feed input number is (J52)TBI-2) and the pilot input number is (J52)TBI-4).

This completes the initial setup of the servo feed to the press or other device. The
servo is now ready to run as intended.

If more complete interfacing is needed, please refer to the section (interfacing ) in this
manual for an explanation of inputs and ouputs available.

9

PRETEST FOR SERVO FEED AND PRESS WITHOUT MATERIAL
Now that your servo feed unit has been mounted and the cables have been attached,
you can proceed with testing the unit. The first step is to turn on the main disconnect
switch on the electrical enclosure. Next, at the operator’s console, pull the power on­off button to the on position. The button should illuminate to indicate that there is
power to the system.

The Pacific Scientific drive performs an initial sequence to check it’s internal program.
At this time the display should show the Rapid-Air screen for 5 seconds before starting
the main setup program. If you are comfortable with programming a job then continue,
it not, please refer to the “Programming Procedure” located in this manual.

Follow the programming sequence for the operators terminal to input parameters into
job storage. Your servo feed has been fully tested before it was shipped to your facility
and this procedure is merely a test to insure that all functions are still functional and the
cables are properly seated.

Once you have programmed the required parameters, select the manual mode of
operation. If the option of air regulated upper feed roll was purchased, check that the
main air is at least 80 psi and check that the roll pressure gage is functional by
adjusting the pressure up and down, This is accomplished by turning the pressure
adjusting knob. If you did not purchase the air regulated roll option then check that you
have enough tension on the material to avoid slipping during feeding. Open and close
the feed and anti-backup rolls electrically and or manually. Visually inspect that the
rolls open and close as you press the appropriate keys on the keypad or when using
the manual levers.

Select the “inch” function (F1 on keypad) on the manual mode screen. Visually check
that the rolls rotate both forward and reverse with the corresponding key. The speed is
preset to creep the rolls at a slow speed for manual positioning of the material.

CAUTION: Do not attempt to place your fingers or any foreign material into the rolls.
Injury to the operator or damage to the servo rolls could result.

After you have verified that the rolls and air logic are operational, you can experiment
with the single cycle moves. The procedure is outlined in the programming section of
this manual.

Now, you can cycle the press and watch the rolls to verify that the signal from the
press window switch signal is functional and actuating at the proper time.

After all the checks have been made and you feel comfortable with the programming
of the servo controller, place the servo in automatic mode. Now cycle the press in
either the inch, single stroke or continous run, the servo feed should react upon the
closure of the press window and signal and simulate a feed progression of material.

10

LOADING MATERIAL INTO THE SERVO FEED

Upon the satisfactory completion of all the tests, you should be ready to load a strip of
material into the servo feed.

Step number one is to select the manual mode of operation on the operators console.
Then choose “Operate Rolls”. This will allow you to open the feed rolls and anti­backup rolls to accept the material. You could also open the rolls manually by lifting
the lever mounted on the side of the servo feed. Position the leading edge of the
material with the center of the material near the center of the entry rolls. Adjust the
edge guides on the cascade rolls to the proper width setting. Open the feed rolls and
or anti-backup rolls. Hand feed the material into the servo unit until it protrudes out of
the feed rolls and starts into the guide on the press. Close the anti-backup rolls (if
purchased) to capture the material, then close the feed rolls.

Check the roller force pressure to be sure that there is enough pressure to prevent
slippage but not too much to induce camber into the material. The pressure setting is
the amount of force necessary to move the material into the press at the speed and
feed programmed. You may find it necessary to readjust the force as you finalize the
setup procedure. The amount of force needed will vary depending on the width and
type of material being fed. Make a note of the final setting to aid in the setup of the
servo feed the next time the same material is run.

You are now ready to begin testing the complete system under power. To check the
progression, cycle the press in the single cycle mode with the servo feed in the
automatic mode. If the progression is correct, no further adjustments are necessary. If
the progression is either short or long, go to the troubleshooting chart and perform the
sequences described there for inaccurate feeding, once the feed progression has been
accuratelly set and the repeatability is satisfactory, you are ready for full automatic
mode.

11

SERVO INTERFACING EXPLANATION

A. TAUT STOCK INPUT (J52)TBI-6)
This is a normally open contact from a switch or device that monitors the loop of
material prior to the servo feed. When the material reaches a point that it trips the
switch, a taut stock has been reached. This input, when received, immediately drops
the automatic which stops the feed in progress. The material should be repositioned in
the die before restarting the automtaic sequence, as the progression was lost when the
taut stock occurred.

This input also could be used as a “No Stock” switch that would monitor whether or not
there is material available to feed.

B. ANTI-BACKUP INPUT (J52)TBI-8)
Whether the anti-backup rolls where purchased with the unit or came on the unit
standard, they can be activated to raise in the automatic cycle. The anti-backup rolls,
by design, keep the material from sliding back during the pilot operation. They can
become a hinderance if the material tend to walk to one side or the other during the
feed cycle.

The anti-backup switch can be used as a solution. If the material walking problem is
being experienced then a switch or a cam switch with a normally open contact can be
wired in from the press. Usually this switch is activated when the press is at 180
degrees or when the die is closed to be sure that the material is being held in position.
The rolls will raise for the amount of degrees that the switch is activated, letting the
material reposition itself in line with the die. It is crucial that this switch is not activated
for too long a time as when the die releases the material, the material will slide back
which will cause a misfeed. This feature has to be used in conjunction with the main
rolls being raised or it will not give the desired results as one of the rolls will be holding
the material from moving.

C. ENABLE INPUT (J4-Pin 5 & 6))
The enable input is shipped from the factory, jumpered, so that the Pac-Sci unit is
ready to work after the initialization procedure is complete.

If it is desired that the servo controls are not functional until other equipment or safety
source is activated then a normally open contact can be interfaced to this input. If at
any time during the feed cycle the input changes state then the feed will stop at this
position. If feeding stock, the reference will be lost and the stock will have to be
manually repositioned to the correct location. The automatic cycle will be dropped and
have to be restarted.

12

D. ENABLE OUPUT (J52)TB2-15)
This output must be tied to a solid state relay to interfact to the ouside world. The solid
state relay must have a D.C. coil and should have a rating of 3-30 VDC. The Rapid-Air
#69100165 is recommended for this application. This output is high whenever the
enabled input is activated.

E. END OF FEED OUTPUT (J52)TB2-13)
This output must be tied to a solid state relay to interface to the outside world. The
solid state relay must have a D.C. coil and should have a rating of 3-30 VDC. The
Rapid-Air #69100165 is recommended for this application. This output goes high at
the end of every feed and stays high for programmed amount of time before going low.
To program the time, with the main screen menu displayed, push the period on the
keypad - follow the instructions and enter the time in milli-seconds. The time entered
will add to the total feed cycle time and if programmed to last longer than the time from
the actual end of feed and the actual tripping of the feed switch then the program will
not see the feed switch being tripped. You will then get two hits per feed.

F. AUTOMATIC OUTPUT (J52)TB2-11
This output must be tied to a solid state relay to interface to the outside world. The
solid state relay must have a D.C. coil and should have a rating of 3-30 VDC. The
Rapid-Air #69100165 is recommended for this application. This output goes high
whenever automatic is selected on the program panel. Any faults will cause the
automatic ouput to go low.

G. STANDARD PROGRAM- DATA INSTRUMENTS INTERFACE (J52)TB1-14)
With the jumper in place, the standard program is active. Remove jumper, recycle
power and the Data Instruments program is active. Only the manual mode will work
with the keys at this time.

H. KEYPAD AND DISPLAY INTERFACE (RS232 PORT)
The keypad/display is the interface between the operator and the resident program.
The Pacific Scientific drive is purchased with a great many capabilities, none of which
can be used unless a program is written to utilize these capabilities. Rapid-Air put a
great deal of time making a program that is user friendly and yet gets the job done
efficiently. We took all the questions and constructive criticism and came up with a
program that would cover all the applications, yet be easy to interface and program by
a customer.

If an operator reads the programming procedure in this manual and then reads the
screen parameters listed as they are displayed and acts on them by inputting data as
needed, the servo can be up and running in a very short time.

1. Select a job number.

2. Input or review parameter for that job number.

3. Thread up material in manual mode.

4. If properly interfaced, go into automatic mode.

.

13

RESET JOB PARAMETERS

The reset job parameters routing should be used with special caution. We
incorporated it as a user function for two reasons.

The first reason is if a problem caused the displayed parameters to be garbled
because of a program glitch, then by resetting the job parameters the problem could
be cleared.

The second reason is if there were a number of different jobs in memory that were
no longer required, then by resetting the job parameters, all the job numbers would
be reset to their default values, which includes putting all zeros in the feed length
and strokes per minute area of the program.

CAUTION!! CAUTION!! CAUTION!!
Keep a hard copy record of program numbers and data associated with them for
reference if needed. If this function is used in a way other than what it was designed
for then all previous data is lost and cannot be recovered.

To enter this function, turn off the program by depressing the master stop button.
Turn on the program again and push and hold the “clear entry” key, once the
program has started the following screen will be displayed.

**DEFAULT VALUE SETUP
PRESS F1 TO RESET TO
DEFAULT VALUES, PRESS
F4 TO IGNORE CHANGES

**Once F1 has been pressed then all data that had been entered will be reset.

PROGRAM NUMBER DISPLAY
Each servo unit that is shipped has a program number assigned to it. If a problem
occurs and cannot be solved by reloading the program then you will be asked the
program number associated with this servo.

To view the program number, press and hold the “space” key during the power up
sequence. The program number will be displayed for about 30 seconds. Please
find and write down the program number in case it is needed in the future.

14

SERVO

To help you to enter a job from the keypad, let’s create an example.

We will use a feed length of three inches and want to run at 100 strokes per minute. We
have a pilot pin on the die, so pilots will have to be used. The max feed arc will be 180
degrees.

The main menu is currently displayed. First we select the job number and we will use job
#1.

1. Press F1 to select the job number.

2. Enter job number “01” - press the F4 key when finished.

3. The job number screen shows two choices:
A. F1 = program parameters. This choice is used if a job has already been
programmed and you would like to adjust the parameters that were preset for the
job.
B. F2 = feed-advisor-calc. This should be used when entering a new job number.
The two main inputs are the feed length and strokes per minute. The third input is
to enter a “1” or a “0” for pilots. We will put in a “1” for “yes for pilots”. The fourth
input is the feed arc. This is preprogrammed as 180 degrees and need not be
changed to set up a job unless specific move parameters in relation to press
stroke position is required. To move around in this screen, press the “enter” key in
the lower right corner of the key pad. Once the feed length and strokes per
minute are entered, then the F4 key to exit the screen. The program now
calculates the accel/decel and speed for the parameters entered. At this time the
“F4 key” review parameter should be used to check to be sure that you entered the
correct parameters.

4. Press “F2” to select the manual mode.
A. Press F1 to select the “inch” or jog mode. This mode will move the material
slowly forward or reverse to position the material at it’s proper location. F2 being
used for forward and F3 for reverse movement. Press F4 to leave the “inch”
mode.
B. Press F2 to select the “single feed” mode. At this time each press on the F1 key
will rotate the rolls to move the material three inches, the feed length that was
entered, at the same feed rate as the feed would move the material in the
automatic mode. Press the F4 key {exit} to leave this screen.

5. Press “F3” to select automatic cycle. In this mode the servo can be run in the batch
or continuous mode.
A. Press F1 to select the batch mode. In the batch mode, the servo will feed each
time it is commanded until the batch count reaches “0”, then the automatic cycle
drops out.
B. Press F2 to select the continuous mode. In the continuous mode, the servo will
feed each time it is commanded until the command stops or the operator presses
the “F4” return key.

15

FEED ARC

To explain how the “feed arc” is related to the servo feed calculation, we must first explain
what the feed arc is in relation to a press.

The press has a die that has two halves. The lower half is stationary and the top half is
moveable in an up and down motion which is one cycle from the full open to the full closed to
the full open again. The component that makes all of this happen is named “crankshaft”. The
crankshaft makes a 360 degree revolution for one cycle of the die from open to close to open
again. When the die is fully open, the crankshaft would be at “0” degree position. When the
die is fully closed the crankshaft is at 180 degrees or one-half of a revolution.

We ask that a switch be set at 270 degrees to activate the feed because at this position, the
die is completely clear of the material. This is also a good starting point to explain the “feed
arc” portion of the auto calculation in the Rapid Air program.

If the feed input switch was tripped at 270 degrees of the total revolution of the crankshaft and
the arc calculation was 180 degrees then the servo feed would complete it’s feed by 90
degrees of the press cycle or 180 degrees past the 270 degree mark.

The feed arc could be set at 90 degrees so the feed cycle would be complete by 360 degrees
or when the press was at the top of the stroke.

The feed arc could be set at 270 degrees so the feed cycle would be complete when the
press was at 180 degrees. This example would not work if the feed cycle started at 270
degrees as the feed would still be trying to move the material when the die was closed or
together. To use a 270 degree feed arc the feed would have to start at 230 degrees or 240
degrees to be finished moving the material before the die was closed or together. This
example could not be possible if the die had pilot pins installed in it for precise locating of the
stamped part. The cam switch drawing in the back of the manual will help you visualize the
above feed arc explanation.

In essence, the larger the feed arc number up to 270 degrees, the lower the acceleration/
deceleration rate. The smaller the feed arc the higher the acceleration/deceleration rate and
the fewer strokes per minute for a given feed length.

16

OPERATOR INPUT TERMINAL - PROGRAMMING PROCEDURE

STANDARD SOFTWARE

The intent of this section is to familiarize the operator with the program flow and what to
expect with every keypress. Each screen on the display will be reviewed with special
comments to help clarify what is being asked on the screen. The program flow is broken
down into 5 sections with the main menu being the home position. Reviewing the flow
chart in the back of this manual will help in understanding the sections.

SECTION 1 - F1=JOB ENTRY
SECTION 2 - F2=MANUAL MODE
SECTION 3 - F3= AUTOMATIC
SECTION 4 - F4=REVIEW JOB PARAMETERS
SECTION 5 - RAMP=AJDUST ACCELERATION AND DECELERATION

The first screen to be displayed on the operator terminal will look like this

RAPID-AIR CORPORATION

ROCKFORD, IL 61109
815-397-2578

After a few seconds, the display will clear and the following display will appear:

MODE SELECT F1=JOB#
F2=MAN F3=AUTO F4=REVIEW

SELECT F1=JOB #

The first step in programming the servo feed is to select a job number which will be used to
store the parameters the operator inputs or recall the parameters which have been
previously loaded into the servo controller program. When the operator selects the F1 on
the keypad, the screen will change to:

ENTER THE JOB NUMBER =XX
PRESS F4 KEY AFTER NUM ENTRY

The operator must enter a 2 digit number before proceeding to any other function. If the
job number the operator has entered has been previously stored in memory, or entering a
new job, the following display will appear:

JOB#-XXX F1=MANUALLY PROG
F2=FEED ADVISOR F4=EXIT

17

The job number screen displays (3) choices for the operator. In the first choice, F1,
Program parameters, the operator can enter or change the pilots, feed length, strokes per
minute that the press is running and speed of the material movement. In the second
choice, F2=Feed Advisor-Calc, the operator can enter or change the pilots, feed length,
strokes per minute that the press is running and feed arc (free travel of the press in which
the feed can move material without a problem) this then calculates the optimum speed of
the material movement. The third choice, F4=Exit, puts the job number entered in memory
for running at this time. If F1 or F2 was selected one of the following displays will appear:

#=00 FL=000.000 SPM=000 #=00 FL=000.000 SPM=000
VEL=000% PILOTS=0 F4=NEXT ARC=180 PILOTS=0 F4=NEXT

Input or change data at curser Input or change data at curser.
When complete press F4 to exit. When complete press F4 to exit.
Fault window will appear if feed length
is too long for SPM. Feed arc is press free
travel for feeding material. Minimum
arc=10, max=300 degrees.
The % of speed is automatically calculated.

This is the fault window that is displayed if the feed length and strokes per minute are not
within minimum parameters.

FEED PARAMETER OUT
OF RANGE. F4=NEXT

F4=Next this command returns to the previous screen so that the new paremeters can be
entered.

Pressing the F4 key at any time returns you to the main menu.

MODE SELECT F1=JOB#
F2=MAN F3=AUTO F4=REVIEW

SELECT F2=MANUAL

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In order to advance material into the die, using the servo feed, the operator has to be in the
manual mode. Pressing F2 on the keypad will cause the screen to change to the manual
mode screen. (Cycle rolls with keys) - If the keypad has keys with open rolls or close rolls
on it then the keys are active at this time and the rolls can be electrically released for
inserting the material into the servo feed.

F1=INCH F2=SINGLE FEED MODE
F3=OPERATE ROLLS F4=EXIT

Pressing the F1 key will let the operator decide the amount of travel each key press or
forward or reverse will produce. The operator can input the amount of travel from .001 to

9.999 inches. Pressing the F2 key will only let the operator make a forward movement the
amount that was programmed for the feed length of the job. Pressing F1 will display the
following screen.

JOB MODE MOVE=X.XXX
F2=FWD F3=REV F4=EXIT (MANUAL MODE)

F1=COINTINUOUS OR JOG TO LENGTH

Pressing the F4 key once will reset the program to the jog mode screen so that jog is now
active. Pressing the F4 key twice will reset the program to the manual mode screen. If the
F4 was pressed twice then the following screen is displayed.

F1=INCH F2=SINGLE FEED
F3=OPERATE ROLLS F4=EXIT

F2=SINGLE FEED

If the operator presses F2 then the following screen is displayed. The single feed mode is
active and every time the F1 key is pressed then the feed will cycle and move the distance
indicated on the feed length line.

FEED TO MOVE 000.000
F1=SINGLE FEED F4=EXIT

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Pressing F4 once resets the program to the manual mode display. Pressing the F4 key
twice resets the program to the main menu display. If the F4 key was pressed twice then
the following screen is displayed.

MODE SELECT F1=JOB#
F2=MAN F3=AUTO F4=REVIEW

F3=AUTOMATIC CYCLE

If the feed has been properly set up and tested in manual and the press has been
electrically interlocked with the feed, feed and pilot switches wired to the correct terminals.
If the F3 key was pressed then the servo will be in the auto total mode and the following
screen appears.

JOB#=XX LENGTH=000.000
AUTOMATIC CYCLE F4=EXIT

Pressing the F4 key, stops the automatic cycle and the main menu screen appears.

MODE SELECT F1=JOB#
F2=MAN F3=AUTO F4=REVIEW

When the automatic screen is displayed, all keys except the F4 key are inactive. Every
time the press cycles and trips the feed switch, the feed will cycle once per the parameters
displayed on the screen. If the feed encounters excessive material drag while feeding or
the material being moved encounters a restriction that stops the material forward
movement then a servo fault can occur. If this happens then the following screen is
displayed.

DRIVE FAULT: FOR FAULT
CHECK CONTROLLER DISPLAY

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If this screen is displayed then the control cabinet has to be opened and the Pac-Sci drive
has to be checked. To reset the fault, the master on-off switch has to be cycled which will
reset the controller. The material path should be checked for obstruction and parallelism to
the die. If all this seems to be satisfactory and another fault occurs the factory should be
consulted.

MODE SELECT F1=JOB#
F2=MAN F3=AUTO F4=REVIEW

The last section to be covered is the RAMP section. To get into this mode, press the black
pushbutton and the following screen appears.

RAMP PARAMETERS F1=ACCEL
F2=DECEL F3=TYPE F4=EXIT

F1=ACCEL

The only section that has not been covered in this write up is the ramp adjust mode. The
ramp adjusts how fast the servo motor gets up to speed and how fast it stops. This feature
is an asset that is seldom adjusted but can be a sure cure if material slippage seems to be a
problem. With the main menu screen displayed the key labeled ramp is active. Pressing
the accel key produces this display.

ACCEL MAX 75000 RMP/SEC
% MAX DECEL=000% F4=EXIT

Presing the F2 decel produces the following display.

DECEL MAX 75000 RPM?SEC
% MAX DECEL=000% F4=EXIT

The ramp usually is factory set at .015 on the series 100 drives and .035 on the series 200 &
300 drives. There is some deviation to this when the factory runs the unit, but this is a basic
starting point. Once the ramps have been set then press F3 on the keypad to display the
following screen.

ENTER=ACCEL RAMP TYPE=0
JERK=0 S_CURV=1 F4=EXIT

Although this screen has a decision to be made, we have found that for most standard
applications that entering a “0” - jerk mode gives the best running results. We ask that if
changing the ramp parameters, it is a good idea to also reconfirm the type being used-jerk
mode. Press F4 twice to get back to the main menu and then the programming procedure
section is complete.

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The only section that has not been covered in this write-up is the ramp adjust mode. The
ramp adjusts how fast the servo motor gets up to speed and how fast it stops. This feature is
an asset that is seldom adjusted but can be a sure cure if material slippage seems to be a
problem. With the main menu screen displayed the key labeled ramp is active. Pressing the
ramp key produces this display.

RAMP PARAMETER F1=ACCEL
F2=DECEL F3=TYPE F4=EXIT

PRESS F1 OR F2

Pressing the F1 or F2 keys wil produce one of the following displays. The lower the number
entered, the longer the ramp cycle. Press F1 or F2 now.

ACCEL MAX 75000 RPM/SEC DECEL MAX 75000 RPM/SEC
% MAX ACCEL=XXX% F4=NEXT % MAX DECEL=XXX% F4=NEXT

The Ramp usually is factory set at .015 on the series 100 drives and .035 on the series 200 &
300 drives. There is some deviation to this when the factory runs the unit, but this is a basic
starting point. Once the ramps have been set then press F3 on the keypad to display the
following screen.

ENTER ACCEL RAMP TYPE=X
JERK=0 S-CURVE=1 F4=NEXT

Although this screen has a decision to be made, we have found that for most standard
applications that entering a “0” jerk mode gives the best running results. We ask that if
changing the ramp parameters, it is a good idea to also reconfirm the type being used-jerk
mode. Press F4 twice to get back to the main menu and then the programming procedure
section is complete.

22

DRIVE ROLL PARALLELISM ADJUSTMENT

Every servo feed has an eccentric adjustment screw to adjust the upper roller to be in parallel
to the lower roller. The maximum adjustment is .008” on the eccentric.

The adjustment screw is located behind the belt cover and is held fast by a 10-32 socket head
cap screw. The acutal adjustment screw is a slotted eccentric pin which is turned clockwise
or counter-clockwise to raise or lower one end of the upper roll.

The parallel adjustment is factory set when the unit is manufactured but if material tracking
seems to be a problem then this could be a way of solving the problem. To test if the rolls
need adjustment, do the following.

1. Remove the front and rear roll covers.

2. Raise the anti-backup rolls. (If any) main rolls should be closed.

3. Shine a light from the rear of the feed toward the main rollers.

4. Inspect from the main rolls side to see if the rollers are parallel. If they are then the
material could be the cause of the material walking. If they are not parallel then an
adjustment has to be made.

5. To make the adjustment:
a. Remove manual roll release arm by removing roll pin.
b. Remove belt cover.
c. Locate eccentric screw and loosen 10-32 screw.
d. Turn slotted eccentric screw while viewing rolls until the rolls are parallel.
e. Tighten 10-32 screw and reassemble parts, then retry running material.
For a more accurate adjustment use a feeler gage to check the parallelism.
This completes the eccentric adjustment write-up, if there are further questions, please call
the factory.

* Before attempting to solve a possible roll parallelism problem by readjusting the rolls or
calling the factory, perform the following test.
Step 1) A 3 to 5 foot length of material should be cut from the storage loop preceeding the
servo feed.
Step 2) Lay the material next to a straight line to see if the material is cambered. If it is then
this could be the reason that the material is walking. If not, then turn the material upside
down from the way it was being fed and insert into the feed. If the material walks in the
opposite direction then the material could be to blame.

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PROBLEM CAUSE REMEDY

No power indication Disconnect off Turn disconnect on
Blown fuse Check/replace fuse
Master button in Pull button out

No display on Program fault Check lights on P.C.
operators console Faulty wiring Check plug on
console

Power on-no motion Program fault Check lights on drive
Drive fault Check lights on servo
drive readout
Program error Check parameters

No roll action No air Check air line
Low air pressure Check air regulator

Material will not Anti-backup closed Open rolls
enter rolls Feed roll adjusting Open adjustment
mechanism too close mechanism
Material too thick Check servo parameters

Material will not feed Low roller force Raise roller pressure
Oily material Clean material
Program fault Check parameters
Obstruction in die Check die

Material feeds short Accel to fast Lower accel speed
Low roller force Raise roller pressure
Oily material Clean material
Obstruction in die Check die
Feed signal to close to Move feed signal input so
pilot release rolls are closed to feed.

Material feeds long High % max speed Lower % max feed speed
Material slippery Lower % Decell
Decell set too high Lower % Decell

Material camber High roller force Lower roller pressure
Bad stock Check stock at input
for camber

TROUBLESHOOTING CHART

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TROUBLESHOOTING CHART (cont.)

PROBLEM CAUSE REMEDY

Material feeds off Edge guides not set Set edge guides
center properly
Material not centered Center material
to feed
Bad Material Try new roll of material

No automatic cycle No press signal Check limit switch
input to servo control
Controller fault Check lights on drive
Servo fault Check lights on drive
Program error Check parameters
on display

Servo squeals while Servo velocity gain Consult factory
too high
Belt too loose or tight Readjust belt tension

Fault signal on Pac-Sci Servo fault Recycle power
is displayed Material jam Check die
Power surge/failure Check/recycle power

Cannot program unit Program fault Check Pac-Sci &
from display call factory.
Data Instruments Check Data Instruments
interface jumper loose connection

Mechanical pilot release Too much overtravel Restrict travel of
sticks down mechanical actuating
arm
Broken spring Remove plate and check
springs
Needs lube Remove plate and
lubricate release bar

25

SERVO FAULT DISPLAY

The Pacific Scientific drive has a list of internal faults and displays the number of that fault on
it’s readout located on the front of the drive. Rapid Air now displays the fault on the keypad
display. If a fault occurs the screen will display the number and the name of the fault, but
there will not be an explanation accompanying the fault. This is a tool to help you to trouble
shoot if the servo fails to perform when commanded.

If a fault was displayed the servo controller will have to be turned off and restarted to clear the
fault. If the fault is still present when the Pacific Scientific unit is restarted, the fault may not
be displayed on the keypad screen as the fault will not let the internal program restart. The
control panel will have to be opened to view the fault again.

A list of probable faults and some explanation is included in this section. If more help is
required, then Rapid Air will have to be contacted.

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FAULT CODE
(Predefined Variable, Integer, Status Variable, Read-Only)

Guidelines - 0 means the drive is not faulted and not enabled, while 8 means the drive is not
faulted and enabled. Alternating 8.> means actively inhibiting CW motion and alternating

8.< means actively inhibiting CCW motion

STATUS LED VALUE FAULT MEANING

(Blinking) 1 1 Velocity feedback (VelFB) over speed

(Blinking) 2 2 Motor Over-Temp

(Blinking) 3 3 Drive Over-Temp

(Blinking) 4 4 Drive I*t

(Blinking) 5 5 1-n Fault (9x3)

(Blinking) 6 6 Control ±12 V supply under voltage

(Blinking) 7 7 Output over current or bus over voltage

(Blinking) 9 9 Not Assigned

(Blinking) A 10 Bus OV detected by DSP

(Blinking) b 11 Auxiliary +5V Low

(Blinking) C 12 Not assigned

(Blinking) D 13 Not assigned

(Solid) E* 14 Processor throughput fault

(Blinking) E* 14 Power Up Self Test Failure

(Alternating) E1 225 Bus UV, Bus Voltage VBUSTHRESH

(Alternating) E2 226 Ambient Temp Too Low

(Alternating) E3 227 Encoder commutation align failed
(Only CommSrc=1)

(Alternating) E4 228 Drive software incompatible with NV
memory version
(Alternating) E5* 229 Control Card hardware not compatible with
drive software version
(Alternating) E6 230 Drive transition from unconfigured to
configured while enabled
(Alternating) E7 231 Two AInNull events too close together

(Alternating) F1 241 Excessive Position Following Error

(Alternating) F3 243 Parameter Checksum Error (Memory Error)

*FaultReset cannot reset these faults.
See ExtFault for further information on Blinking E, Blinking 1 and Alternating F3.

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MOTOR SERVICE
The servo motor is flanged mounted and secured with four socket head cap screws. The
motor removal has to be done in a sequence as described below.

1. The manual roll release handle has to be removed. The inner roll pin holds the handle to
the shaft. Once this is removed the handle should slide off the shaft.

2. The belt guard has to be removed. It is fastened with four 1/4-20 socket head cap screws
on the 100 & 200 servos and five 5/16-18 socket head capscrews on the 300B.

3. Remove the belt tension then remove the motor.

4. Install new motor and reassemble in reverse order of the previous instructions.

5. When reinstalling the belt, the tension on the belt should be 1/64” deflection per inch
distance between the center lines of the pulleys using 1.5 to 2 lbs. force to cause the
deflection. The best way is to tension the belt and try running the servo for a few cycles. If
you get a high vibration on the belt when the feed stops then you have to readjust the belt
tension. It will have to have more or less tension to stop the vibration of the belt.

MANIFOLD ASSEMBLY
The manifold assembly was designed to give the customer easy access to the components.
The valve for the electric roll release and if supplied, the anti-backup valve is mounted on the
side of the feed. The air regulator and pressure gauge is mounted on the input side of the
feed. All can be easily replaced if needed.

ROLLER AND GEAR BOX ASSEMBLY
At this stage of disassembly, all field maintenance components are exposed and easily
accessible. No further field service should be necessary on the roller and gear box assembly
unless the gear train is suspected of a malfunction. The drive rolls should be checked for
erroneous wear pattern while they are exposed and cleaned before reassembly.

MAINTENANCE PROCEDURES

DAILY WEEKLY MONTHLY
Wipe off feed rolls Check wear pattern of rolls Check oil level

Clean any dirt from Check cables for cuts
servo unit or wear

Clean any dirt from
operators pendant

28

REASSEMBLY OF UNIT
Prior to assembly, attention must be given to three points of contact that require an
application of Moly-Cote, Lubriplate or other suitable heavy grease.
The three points are:

1. The anti-backup piston which is located at the feed entrance.

2. The main roll piston and the spiral pins in the main roller die plate. These can be seen by
viewing straight down through the center of the feed at approximately half way from the inlet
to the exit roller. The piston is positioned horizontally at the base of the feed and
approximately in the center of the feed if viewing from the gear box to the belt cover.

3. The mechanical roll release shaft located at the exit side of the feed. Three screws have
to be removed and then the keeper plate can be removed. The inner shaft should be
thoroughly greased to prevent sticking.
Do not apply excessive grease as it may fall onto the drive rollers and cause misfeeding due
to material slippage. All bearings are sealed and need no additional lubrication.

LUBRICATION
The gear box oil must be kept up to sight gauge level and changed after every 2000 hours of
use. Recommended oil is Mobil #SHC630 or equivalent. The oil reservoir capacity is 3.5 oz.
The oil can be drained by removal of the drain plug located near the base of the gear
housing cover, just below the sight gauge. The oil reservoir is filled through the pipe thread
port occupied by the air breather plug near the upper edge of the gear housing cover.

NOTE: THE ORIGINAL BREAK-IN OIL IN THE GEAR BOX SHOULD BE CHANGED AFTER
100 HOURS OF CYCLE TIME AND EXAMINED FOR CHIPS OR FOREIGN MATTER.
REPLACE THE BEAR BOX OIL PER INSTRUCTIONS.

The anti-backup rollers have been lubricated at the factory and should need no further
attention. If they are found to slip in the reverse direction, consult the factory for further
assistance.

PINCH ROLL & ANTI-BACK UP ACTUATING PISTONS
Periodically grease with lubriplate or equivalent grease to anti-backup & pinch roll actuating
piston nose where it contacts the pressure plate.

29

PRECAUTIONS & SAFETY

NEVER - Put screwdrivers or foreign materials in feed rolls

NEVER - Hold onto material as it is being fed through the servo

NEVER - Wear neckties around the servo feed rolls

NEVER - Force the rolls open by prying on them

NEVER - Modify the mechanical aspects of the servo feed

CAUTION - Contact the factory before drilling any holes in the unit

CAUTION - Wear proper eye protection when working around the servo

CAUTION - Do not wear loose clothing around the servo feed rolls

30

WARRANTY

ALL SALES BY THE COMPANY ARE MADE SUBJECT TO THE FOLLOWING TERMS

AND CONDITIONS. PLEASE READ.

WARRANTY - The Company warrants, for a period of one year from date of shipment by the
Company, that the product shipped is free from defects in material and workmanship. THIS
WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL IMPLIED WARRANTIES IN LAW,
INCLUDING MERCHANT - ABILITY. The Company obligation under this warranty is limited
to repairing or replacing, F.O.B. Madison, SD, any part or parts proved to have been
defective when shipped. In no event shall the Company be liable for special or
consequential damages. Provisions set forth in specifications are descriptive and subject to
change and are not intended as warranties.

CUSTOMER LICENSE AGREEMENT
The RAPID-AIR CORPORATION reserves the rights in it’s software. The software program
is licensed by RAPID-AIR to the original purchaser of the equipment which contains the
software for use only on the terms set forth in this license.

You may use the program only on the programmable servo computer furnished with the
system and only in conjunction with the servo feed supplied with the system.

You may not without expressed permission from Rapid-Air:
A. Copy, distribute, or document the program for others.
B. Modify or merge any portion of the program for use on non compatible hardware.
C. Make alterations to the program.

31