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5-4 Speed Compensation

Leading Trailing Speed Comp

Leading/Trailing

In the previous example, the response time of the glue gun was the same whether
turning on or turning off. While this applies to many systems, some devices have differ-
ent on/off response times. For these devices, PS-6244 controllers with the “-L” option
(Leading/Trailing Edge) provide the ability to program different speed compensation
values for the leading and trailing edges of the pulse driving the device.

Setting

If the ON and OFF response times are known, jog the line to determine

Leading/Trailing

ON and OFF setpoints at zero speed. Then enter the speed compensa-

Speed Comp

tion values through SPEED COMP programming as described in Section 3. When pro-
gramming SPEED COMP, enter the leading edge, or ON response time at the “LE”
prompt, and the trailing edge, or OFF response time at the “TE” prompt.

When setting speed compensation on a system where zero speed setpoints have
been established, always adjust the speed compensation value. Do not adjust
the individual output setpoints!

Response Times

If the response times are unknown, jog the line to determine ON and

Unknown

OFF setpoints at zero speed. Estimate both ON and OFF response times and enter
them through the SPEED COMP function. The leading edge, or “LE” value will control
the ON timing, while the trailing edge, or “TE” value will control the OFF timing. Start the
line, run product through it at a fixed speed, and adjust each speed compensation
value as required for proper gluing. This can be done while the line is in motion. Once
programmed, vary the line speed to confirm proper operation at all speeds, and fine
tune the SPEED COMP values if necessary.

Can’t Be Jogged?

If it is impossible to jog the line, run the line at a fixed speed and set the ON and OFF
setpoints as required with SPEED COMP set to zero for both the leading and trailing
edges. Write down the ON and OFF setpoints.

Next, increase the line speed and adjust the setpoints to restore proper gluing. You
might be tempted to adjust speed comp values to do this. However, since the setpoints
were adjusted at the first speed with zero compensation, any change in compensation
value now will upset the first pair of setpoints.

Once the second pair of setpoints is established, calculate separate leading and trailing
edge speed comp values as shown in Figure 27 on the next page.

Since the new speed compensation value will affect the ON and OFF setpoints already
programmed, you will need to start the line one more time and, at a constant speed,
adjust the ON and OFF setpoints for proper gluing. Once set, vary the line speed to
confirm that the speed compensation values are accurately adjusting the setpoints over
the operating speed range.

Figure 28—Simple Sensor Gating Scheme

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Содержание PLUS PS-6244 Series

Страница 1: ...Programming Installation Manual 4 99 PLµS PS 6244 Series Programmable Limit Switch PGM 1 RPM 1500 MENU POS 180 13647 Metric Rd Roscoe IL 61073 U S A 815 389 2620 FAX 815 389 3304 800 228 5487 USA Canada ...

Страница 2: ...1999 All Rights Reserved Neither this document nor any part may be reproduced or transmitted in any form or by any means without permission in writing from the publisher PLµS SLIMLINE and PLµSNET are all registered trademarks of ...

Страница 3: ...rection 3 10 Input ANDing 3 11 Input Status 3 11 Keyboard Quantity 3 12 Main Screen 3 12 Memory Tests 3 13 Motion ANDing 3 14 Motion Detection 3 15 Section 3 Programming Continued Offset 3 15 Output Status 3 16 Password 3 16 Per Channel Enable 3 17 Program Copy 3 18 Program Select Mode 3 18 Pulse Copy 3 19 Rate Setup 3 20 RPM Update Rate 3 21 Scale Factor 3 21 Setpoint Use 3 22 Setpoints 3 22 Shif...

Страница 4: ...ent and under no circumstances shall Electro Cam Corp be liable for a Any product damaged or lost in shipment Inspection for damage should be made before acceptance or signing any delivery documents releasing responsibility of the delivering car rier b Product failure or damages due to misuse abuse improper installation or abnormal condi tions of temperature dirt or other contaminants as determine...

Страница 5: ... Programmable Limit Switch uses a quadrature encoder Figure 2 in stead of a cam to indicate machine position A quadrature encoder uses optical discs to generate streams of pulses that can be processed by the PS 6244 From the encoder signals the PS 6244 can determine shaft position direction and speed The encoder is usually coupled to a machine shaft at a 1 1 ratio so that one encoder shaft rotatio...

Страница 6: ...le in two models the PS 6244 24 M17 and the PS 6244 24 X16M09 Both are described in Figure 3 Figure 3 PS 6244 Models PS 6244 24 N16M09 Controller Up to 25 Outputs PS 6244 24 M17 Controller Up to 17 Outputs The PS 6244 24 M17 has 17 total outputs Outputs 1 through 15 can accept AC or DC output modules for driving real world devices such as solenoids valves or glue guns Output 16 will accept an AC o...

Страница 7: ...rammed into one output channel the output is said to have multiple pulses Programs Suppose that 15 output channels on a cartoner are programmed with setpoints to fold and glue a certain size carton These settings could be stored as a program Then the 15 output channels could be re programmed with different setpoints for a different size carton This second set of setpoints could also be stored as a...

Страница 8: ...t signal is present Shift Register ANDing The PS 6244 includes a shift register that can turn output channels on or off up to 255 revolutions after a signal is applied to Input Terminal 16 Figure 7 The terminal is usu ally connected to a product sensor Analog Outputs PS 6244 controllers can drive up to two analog output modules whose output signal will be linearly proportional to RPM The analog si...

Страница 9: ...Wiring Guidelines Follow normal wiring practices associated with the installation of electronic controls Some guidelines are 1 Route input and output wiring away from high voltage motor drive and other high level control signals 2 Use shielded cables for encoder input transistor output and communication cir cuits Also shield module output circuits that are driving low current electronic input circ...

Страница 10: ...2 2 Installation Wiring Figure 4 Mounting Dimensions Mounting Dimensions PGM 1 RPM 1500 MENU POS 180 ...

Страница 11: ...1 TB 1 Inputs 9 16 PS 9006 0024 TB 2 Auxiliary power output PS 9006 0018 TB 3 Inputs 1 8 PS 9006 0023 TB 4 Encoder connector PS 9006 0032 TB 5 Keypad connector PS 9006 0029 TB 6 Module outputs 13 17 PS 9006 0031 TB 7 Module outputs 9 12 PS 9006 0030 TB 8 Power for controller PS 9006 0026 TB 9 Module outputs 1 4 PS 9006 0033 TB 10 Module outputs 5 8 PS 9006 0034 Top View Front View Right Side View ...

Страница 12: ...18 TB 3 Inputs 1 8 PS 9006 0023 TB 4 Encoder connector PS 9006 0032 TB 5 Keypad connector PS 9006 0029 TB 6 Module outputs 21 25 PS 9006 0028 TB 7 Module outputs 17 20 PS 9006 0027 TB 8 Power for controller PS 9006 0026 TB 9 Transistor outputs 1 8 sinking PS 9006 0019 Transistor outputs 1 8 sourcing PS 9006 0021 TB 10 Transistor outputs 9 16 sinking PS 9006 0020 Transistor outputs 9 16 sourcing PS...

Страница 13: ...orresponding functions Channel Enable 1 8 These terminals accept signals from sensors or from PLC s Each output channel on the 6244 can be ANDed with any one of these inputs so that the output is enabled only when a signal is present on the input terminal Program Select 9 13 The on off status of these terminals selects which program of setpoints is controlling the outputs Binary BCD or Gray Code f...

Страница 14: ...e supplied to the controller Each input powered from TB 2 will draw 11 mA at 24 VDC TB 2 is fused at 1 4 amp Inputs will operate with voltages from 10 to 30 VDC An external power supply can be used instead of TB 2 to power inputs A combination of mechanical and solid state devices can be used TB 1 can be wired for sourcing while TB 3 is wired for sinking and vice versa Term Function 1 8 Channel En...

Страница 15: ...f the input terminals that are on For example if input terminals 9 11 and 13 are on program number 21 would be active 16 4 1 Please Note Although the PS 6244 can store up to 48 programs only Programs 1 through 31 can be selected using binary input A value larger than 31 will select Program 31 Input Term 13 12 11 10 9 Value 16 8 4 2 1 PGM Default 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 1 0 3 0 0 0 1 1 4 0 0 ...

Страница 16: ... needed because the analog modules get the power they source from the controller The analog output signal is completely isolated Transistor Outputs PS 6244 25 models include 16 transistor outputs to drive the electronic input circuits of other control devices The outputs are limited to 30 Vdc 50 mA each and should not be used to control inductive devices such as solenoids solenoid valves or relays...

Страница 17: ...spikes Output modules act like switches they do not supply power to loads Analog Output Suppress spikes in inductive DC loads with one of the following methods Connect a zener diode across the terminals Turn off time will not be significantly affected Voltage rating of diode must be greater than the normal circuit voltage 50 VDC Zener EC 9001 5369 200 VDC Zener EC 9001 5388 Connect a reverse biase...

Страница 18: ... 24 N16M09 Please Note Outputs are rated at 30 VDC 50 mA Transistor outputs should not be used to switch inductive devices such as solenoids or relays Sinking outputs conduct to the negative terminal of TB 11 when on The power supply shown in Load with Built In Power Supply does not have to be the same voltage as the power supply connected to TB 11 ...

Страница 19: ...tor Outputs See Figure 6 for Terminal Block Locations Model PS 6244 24 P16M09 Please Note Outputs are rated at 30 VDC 50 mA Transistor outputs should not be used to switch inductive devices such as solenoids or relays Sourcing outputs conduct to the positive terminal of TB 11 when on ...

Страница 20: ...can be switched with a variety of devices including mechanical switches relay contacts and PLC DC outputs See ENABLE CODES in the programming section for details on pro gramming access If a solid state device will be activating the Programming Enable terminals that device will determine whether sourcing or sinking wiring should be used For mechanical de vices such as jumpers or key switches either...

Страница 21: ... DIP switch is set to zero the default address programmed through the COMMUNICATIONS function takes affect Whereas the DIP switches can set a maximum address of 7 the COMMUNICATIONS function can establish much higher address numbers These settings are not related to com munications with the keypads Two sets of termination switches are included on the controller One set establishes the termination ...

Страница 22: ...Termination must be off for devices in the middle of the chain Both termination switches in a pair must be in the same position Address Keypad addresses must be assigned starting with 0 and increasing sequentially The physical location of a keypad in the chain has no relationship to its address During initial programming the KEYBOARD QTY function must be used to enter the number of keypads in the ...

Страница 23: ...can be used for multi drop networks where more than one controller could be connected to the system host RS 232 RS 232 can connect only a single PS 6244 to a system host RS 232 485 Selection Use the COMMUNICATIONS function to select RS 232 or RS 485 communications Figure 15 Communications Wiring DB 9 Female Connector on Controller See Figures 5 6 for Location RS 232 Cable Wiring DB 25 Host to DB 9...

Страница 24: ...ts Insure that the coupling method used is tight enough to minimize back lash without placing excessive side load on the encoder shaft If possible select a location that shelters the encoder from accidental mechanical abuse lubricants wash down chemicals or any other liquids Encoder Wiring Use shielded cable for wiring the encoder to the PS 6244 controller Figure 16 Encoder Connector Wiring Pin Co...

Страница 25: ...ntrollers are shipped with a spare 4A fuse mounted in the test socket Rating Function ECC Part Wickmann Part 250 mA Power for Inputs TB 2 PS 9005 0250 1937 035 1 A Power for Transistor Outputs TB 11 PS 9005 0001 19370 4 A Fuse for Output Modules PS 9005 0004 19370 K Replacement TR5 Fuse Part Numbers Figure 17 TR5 Fuse Tester and Fuse Locations PS 6244 24 M17 PS 6244 24 X16M09 ...

Страница 26: ...shown below Figure 18 Transistor Chip Replacement Position Notches Like This 1A Fuse for Transistor Outputs If blown no transistor outputs will work See Figure 17 for testing Chips for Outputs 9 16 Replace 2580 first Replace 2803A if that doesn t work Chips for Outputs 1 8 Replace 2580 first Replace 2803A if that doesn t work Empty Socket Holes 2 Position Notches Like This Jumper Block Chip For Ou...

Страница 27: ...ys Input numeric values within a field ENT must be pressed to enter the value entry will flash until ENT is pressed CLR will backspace within an entry prior to pressing ENT will convert a positive number to a negative number or vice versa INC DEC Keys Increment or decrement a value within a field Hold for rapid scrolling of value Figure 19 Keypad Keys and Corresponding Functions Main Screen Shows ...

Страница 28: ...ABLE ENABLEOPTIONS SETPOINTS ANALOGOUTPUTS OFFSET DEFAULTPROGRAM SPEEDCOMP SHIFTPOSITION CHNANDINGMENU MOTIONANDING INPUTANDING TESTMENU MEMORYTESTS MOTIONDETECT PGM 1 RPM 1500 MENU POS 180 KEYBOARDQTY ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL ESC SEL MAINSCREEN PULSECOPY PROGRAMCOPY MODEL OPTIONS SHFTREGANDING ANALOGQTY PGMSELMODE Menu Tree Figure 20 PS 6244 ...

Страница 29: ...the entire menu tree shown in Figure 20 6 Connect DC input power When experimenting with the controller note that the LED on an output module will light when that output channel is turned on By hand turning the encoder shaft and watching the module LED s you can observe the effects of programming setpoint val ues Remember that on a PS 6244 24 X16M09 outputs 1 16 are transistor outputs To activate ...

Страница 30: ... Will accept either an analog or an AC DC module Analog characteristics can be programmed for Modules 1 and 2 even if no analog modules are physically mounted on the controller Programming can be done first and modules mounted later To program Offset and High RPM for Module 2 be sure ANALOG QTY is set to 2 If ANALOG QTY is set to 1 programming for Module 2 will not be available When two analog out...

Страница 31: ...C minimum signal Offset 2 10 x 4096 819 For 4 20 mA Minimum Signal 4 16 x 4096 Example For a 5 mA minimum signal Offset 5 4 16 x 4096 256 See Also OUTPUT STATUS Analog Quantity Menu Path MAIN SCREEN to CONFIG MENU HARDWARE MENU to ANALOG QTY Screen Purpose This screen displays the number of analog outputs that will be programmed into the controller The controller can have one or two analog outputs...

Страница 32: ...n can establish ad dresses ranging from 0 255 Use the numeric keys and ENT to program the address Baud Rate Use SEL to toggle between the available baud rates The baud rate must match that of the host computer Available baud rates are 4 800 9 600 19 200 38 400 Effective with Software Versions 1 97 and higher the communications screen has been revised as shown below The termination setting should b...

Страница 33: ... become the Active Program For installations where the program select inputs on TB 1 are not used the Default Program will always be the Active Program This function displays the current Default Program and allows you to select a different one Screen Programming Use the numeric keys and ENT to enter or modify the Default Program If hardware input signals are used to select the Active Program and t...

Страница 34: ... Use the SEL key to toggle between enable levels Use the numeric keys followed by ENT to assign codes Operation Each programming level can have only one code That code is stored in the controller and applies to all keypads connected to that controller If a code is entered into a keypad that has a programming enable terminal energized the access level will be the highest of the two If one keypad in...

Страница 35: ...Menu Setpoint Use View View View View Software Version View View View View Model Options View View View View Config Menu Hardware Menu Keyboard Qty Program2 Increasing Dir Program Scale Factor Fixed Analog Qty Program Pgm Sel Mode Program Display Menu Rate Setup Program Toggle RPM Program RPM Upd Rate Program Pgm Enable Menu Enable Codes Program Per Chn Enable Program Enable Options Setpoints Prog...

Страница 36: ...program ming as indicated in Figure 21 note 1 This screen lists the various items in the SETUP MENU and allows you to turn Opera tor access to those items on or off Access to the on items will be available only for those output channels that have been turned ON in PER CHN ENABLE Programming Press the Up Cursor and Down Cursor keys to select the function you wish to change Press the SEL key to turn...

Страница 37: ...umber of output channels can be ANDed to a single input terminal Input ANDing Shift Register ANDing and Motion ANDing can be combined for any given output channel When Input ANDing is activated for a channel it will apply to that channel in all pro grams Input Status Menu Path MAIN SCREEN to SETUP MENU to I O STATUS to INPUT STATUS The input status screen displays the On Off status of the DC input...

Страница 38: ...er model Machine Position is displayed only when the encoder speed is below the TOGGLE RPM speed At higher speeds Machine Position will be blank See TOGGLE RPM for programming details Entering the Menu Tree To enter the Menu Tree from the Main Screen move the cursor to MENU and press the SEL key Keyboard Quantity Menu Path MAIN SCREEN to CONFIG MENU HARDWARE MENU KEYBOARD QTY Purpose The Keyboard ...

Страница 39: ... off setpoints programmed through SETPOINTS All other settings will remain intact Function 7998 Watchdog Timer Test The Watchdog Timer monitors the operation of the controller s microprocessor and shuts the controller down if any internal malfunction is detected If the Watchdog Timer fails the controller may continue to operate However any subse quent malfunctions or noise induced irregularities m...

Страница 40: ... L2 or OFF The channel will not be Motion ANDed if the enable is OFF Programming Select a new channel by pressing the INC DEC keys or through direct numeric entry followed by ENT Press the SEL key to toggle the ANDing to L1 L2 or OFF Operation Any number of output channels can be ANDed to a single Motion Detection level Motion ANDing Input ANDing and Shift Register ANDing can be combined for any g...

Страница 41: ... SCREEN to SETUP MENU to OFFSET Purpose This screen allows the encoder position to be set to zero at the desired machine posi tion eliminating the need to mechanically adjust the encoder shaft coupling to the ma chine Position Setup In order to set the Position to match the machine position simply stop the machine at a known position and enter the desired Position value For example jog the machine...

Страница 42: ... press CLR to erase the last key you pushed Output Status Menu Path MAIN SCREEN to SETUP MENU to I O STATUS to OUTPUT STATUS Purpose This screen shows the On Off state of the output channels If any output positions have been programmed as analog outputs the On Off status will show A instead of 0 or 1 Selecting Outputs To change the set of outputs displayed press the SEL key 12345678 OUTPUT 0100100...

Страница 43: ...value of 0 then ENT to clear the enable level If a keypad is left unattended with an active password the access code will clear after five minutes of keypad inactivity and the keypad will revert to the Normal Display mode shown in Figure 21 See Also ENABLE CODE Per Channel Enable Menu Path MAIN SCREEN to CONFIG MENU to PGM ENABLES to PER CHN ENABLE Purpose This screen is used to enable Operator Le...

Страница 44: ... See Also DEFAULT PROGRAM Program Copy Menu Path MAIN SCREEN to SETUP MENU to PGM COPY Purpose Program Copy allows you to copy all of the channels and setpoints from one program to another It is often easier to copy an existing program and modify it than to enter a new program from scratch Screens The Program Copy function consists of four screens Programming Use the numeric keys and SEL to enter ...

Страница 45: ...f pulses evenly dividing the unused por tion of the segment between the pulses Screens The Pulse Copy function consists of eight screens PROGRAM Program to add pulses to Enter number then SEL to go to next screen CHANNEL Channel to add pulses to Enter number then SEL to go to next screen ON On time of leading edge of first pulse Enter number then ENT SEL to go to next screen OFF Off time of traili...

Страница 46: ...PLETE COMPLETE indicates pulses have been generated P CH 1 EDG ON 0 OF 50 Move cursor to OF and use arrow keys to review pulse setpoints Go to SETPOINTS to confirm the pulse train Each pulse is 50 increments wide separated from the next pulse by 50 increments Program PULSE COPY as follows Pulse Copy cont d Rate Setup Menu Path MAIN SCREEN to CONFIG MENU to DISPLAY RATE SETUP Purpose The Rate Setup...

Страница 47: ... Update Rate Menu Path MAIN SCREEN to CONFIG MENU to DISPLAY RPM UPD RATE Purpose The RPM Update Rate is how often the RPM display on the Main Screen is updated This rate can be programmed to be 1 Sec 2 Sec or 10 Sec Screen Press the SEL key to toggle the selection SCALE FACTOR 360 Number of increments each revolution is broken into RPM UPDATE RATE 1 S RPM Update Rate How often RPM display on main...

Страница 48: ...ts will be 1 Setpoint Use Menu Path MAIN SCREEN to SETUP MENU to SYSTEM INFO SETPOINT USE Purpose This function displays the total number of setpoint On Off pairs or pulses available for programming and the number of pulses that have been programmed Screen The number of setpoints shown as Used is the sum of all pulses that are programmed into all channels of all programs The Total value is the num...

Страница 49: ...eric keys followed by ENT or with the INC and DEC keys Pulse Modes The Pulse Mode controls how the INC and DEC keys modify setpoints There are three modes EDG edge PUL pulse and CHN channel You change the Pulse Mode by pressing the SEL key when the cursor points to the Pulse Mode In EDG mode the INC and DEC keys will affect the selected On or Off setpoint only In PUL mode both On and Off setpoints...

Страница 50: ...gister count use the numeric keys and ENT or use the INC and DEC keys ANDing an output channel with Count 0 is the same as turning Shift Register ANDing off The shift register will have no affect on channel operation Any number of output channels can be ANDed to a single shift register count Shift Register ANDing Input ANDing and Motion ANDing can be combined for any given output channel Input Win...

Страница 51: ... Speed Machine at High RPM At Zero Speed in this example the output turns on 100 increments after the Shift Position However as the machine accelerates speed compensation advances the setpoints until they overlap the Shift Position This may split the pulse between two machine cycles The portion of the pulse following the Shift Position may activate during one cycle while the portion ahead of the S...

Страница 52: ...For late products a bit will be set after the shift position and a full revolution will occur before the bit shifts to 1 In most applications programming Channel 91 to overlap the Shift Position will cause problems Software Version Menu Path MAIN SCREEN to SETUP MENU to SYSTEM INFO to SOFTWARE VERSION Purpose The Software Version screen displays the revision number of the firmware contained within...

Страница 53: ...imal point 12 ENT will result in a value of 12 0 To change output channels move the cursor to the channel number and enter a new one You may also INC or DEC the channel number Negative Speed Comp Negative values of speed compensation cause the output channel to lag its programmed machine position by the specified number of mSec It is used when an input sensor is being gated by the corresponding ou...

Страница 54: ...peed at which the Position display on the Main Screen will disappear At speeds below the Toggle RPM the Position display will be visible at speeds above the Toggle RPM the Position will not be shown This screen displays the Toggle RPM TOGGLE RPM 50 Toggle RPM Position display on main screen is not shown at speeds above Toggle RPM ...

Страница 55: ...or a second followed by one or more quick blinks off the controller is experiencing internal errors The specific error is indicated by the number of off blinks One Off Blink Corrupt RAM Two Off Blinks Checksum error indicating EPROM corruption Three Off Blinks System error Four Off Blinks System error If any of the above four patterns occur power cycle the control If the pattern occurs again remov...

Страница 56: ...mpered as shown a string of plus signs will scroll across the display When either jumper is removed the scrolling will stop Figure 22 Keypad Communications Port Test Setup CAUTION Unique key ID appears here when any key is pressed Keypad software revision Keypad software revision date Keypad checksum 15 REV 1 00 CS 024B 07APR94 Fault LED blinks ON one second OFF one second Press up or down arrow t...

Страница 57: ...ignal Z is received at which time the display will return to its pro grammed offset value Pin 7 Failure Before Startup Position display remains at zero Failure During Operation Operation will appear to be unaffected However errors in count values may accu mulate and on subsequent startup the display will remain at zero Depending on the type and timing of encoder failure the machine may continue op...

Страница 58: ... problem replace the encoder on the machine If not prepare a short encoder cable Fig 16 unplug the cable at the controller and plug the short cable with spare encoder into the controller If this solves the problem replace the cable on the machine See page 4 3 for more POS position moves opposite 1 Check INCREASING DIR for the correct direction of rotation to machine direction 2 Check encoder wirin...

Страница 59: ...n If not verify that the SETPOINTS are correctly programmed Other programming that may prevent an output from energizing in cludes MOTION ANDING INPUT ANDING and SHFT REG ANDING 3 If OUTPUT STATUS shows the output is on use a meter to see if the output terminal is energized If so check the load device and its wiring If not check the transistor output fuse Figure 18 Use the fuse tester built into t...

Страница 60: ...ctro Cam Part Main Fuse Figs 5 6 1 1 4 Amp Slo Blo Glass Bussman MDL 1 1 4 PS 9000 4114 Module Fuse 4 Amp TR 5 Wickmann 19370 K PS 9005 0004 Input Fuse Fig 17 250 mA TR 5 Wickmann 1937 035 PS 9005 0250 Output Transistor Fuse Fig 17 1 Amp TR 5 Wickmann 19370 PS 9005 0001 ...

Страница 61: ...gun might need to be triggered when the carton is one inch away so that the carton arrives under the gun just as glue begins flowing As the line speed increases and the product travels faster the lead distance from the carton to the gun must in crease in order for the gun with its fixed response time to still hit the correct spot on the product By programming speed compensation into the PS 6244 th...

Страница 62: ...ints at zero speed then entering the speed compensation value into the controller In the previous example the line would be jogged until the leading edge of the box reaches the gun at 110 of transducer rotation The glue gun output would be set to turn on at this point Then the line would be jogged until the trailing edge is under the gun at 360 and the glue gun output would be set to turn off Once...

Страница 63: ...empted to enter a speed compensation value to do this However since the setpoints were adjusted at the first speed with zero compensation any change in com pensation value now will upset the first pair of setpoints Once the second pair of setpoints is established compare them to the first pair that you wrote down Establish a ratio of degrees the setpoints advance versus the speed as shown in Figur...

Страница 64: ...alue will control the ON timing while the trailing edge or TE value will control the OFF timing Start the line run product through it at a fixed speed and adjust each speed compensation value as required for proper gluing This can be done while the line is in motion Once programmed vary the line speed to confirm proper operation at all speeds and fine tune the SPEED COMP values if necessary Can t ...

Страница 65: ...e speed compensation is required to retard the setpoints in an output channel Negative speed compensation is usually found in two situations Wrap Up As some machines increase in speed the drive train at some point between the re solver and the product wraps up or shifts with respect to the resolver If the wrap up is proportional to machine speed negative speed compensation can be used to retard an...

Страница 66: ...d be located on the machine in a position where the product is moving past the device at a constant speed See Figure 29 below for an example In the case of a glue gun if the gun is ON when the speed is changing the glue distribution may be inconsistent from carton to carton at varying machine speeds Figure 29 Product Speed Should be Constant Past Controlled Device ...

Страница 67: ... accidental alteration or erasure of the controller s programming PLµSNet II can be used to download the ASCII file to the controller to restore normal operation Programming Multiple Units If several PLµS controllers will have the same values one controller can be programmed correctly and its setpoints uploaded to a PC using PLµSNet II The programming can then be downloaded to the other PLµS contr...

Страница 68: ...ble chns 25 32 chn on off 36 1 Operator enable Setpoints 37 1 Operator enable Default program 38 1 Operator enable Speed comp 39 1 Operator enable Timed outputs 40 1 Operator enable Offsets 41 1 Operator enable Motion detection 43 1 0 1 2 0 0 0 0 0 Motion ANDing chns 1 8 chn levels 0 none 43 2 0 0 0 0 0 0 0 0 Motion ANDing chns 9 16 chn levels 0 none 43 3 0 0 0 0 0 0 0 0 Motion ANDing chns 17 24 c...

Страница 69: ...nputs 8 sinking or sourcing DC inputs optically isolated Input On State Voltage 10 30 VDC Input Current 11 mA 24 VDC Program Select Response 100 msec hardware response plus processing time Response of All Other Inputs 1 msec Outputs DC Transistor Outputs Outputs 1 through 16 are sinking optically isolated Real World Outputs Outputs 17 through 24 may be any mix of AC DC or reed relay Slimline modul...

Страница 70: ...utputs 200 VDC Part EC ODC200 1 Slimline Output Voltage 0 to 200 VDC Output Current 1 Amp cont up to 113 F 5 Amps cont 158 F 1 Second Surge 5 Amps Turn On 40 Microseconds Turn Off 140 Microseconds Off State Leakage 1 uA typical Output Voltage Drop 1 6 Volts max Operating Temp 22 to 158 F Transistor Outputs Part PS 9011 2803 ULN 2803A Output Type Current Sinking NPN Output Voltage 5 30 VDC Output C...

Страница 71: ...etup 2 Master 3 Enable Options ON for all functions Increasing Direction CCW Input ANDing OFF Keyboard Quantity 1 Motion ANDing OFF Motion Detection Lo 10 RPM Hi 3000 RPM both levels Offset 0 Per Channel Enable All channels ON Program Select Mode BIN Binary Rate 1X RPM RPM Update 1 S Shift Position 0 Shift Reg ANDing OFF Speed Comp All channels 0 Toggle RPM 20 RPM ...

Страница 72: ... Controller 4 1 Diagnostics Keypad 4 2 Dimensions 2 2 DIN Rail 2 2 DIP Switches Controller 2 13 2 14 DIP Switches Keypad 2 13 2 14 Direction of Rotation 3 10 Display Testing 4 2 ENABLE CODES 3 8 ENABLE OPTIONS 3 10 Encoder Direction 3 10 Encoder Troubleshooting 4 3 Encoder Wiring 2 16 Environment Mounting 2 1 Factory Defaults A 3 Fault LED Keypad 4 2 Function 7000 3 13 Function 7001 3 13 Function ...

Страница 73: ...SETPOINT USE 3 22 SETPOINTS 3 22 Setpoints Adding 3 22 Setpoints Always On 3 23 Setpoints Changing 3 23 Setpoints Clearing 3 13 3 23 Setpoints Defined 1 7 Setpoints Deleting 3 23 Setpoints Program Copy 3 18 Setpoints Pulse Copy 3 19 Setpoints Pulse Modes 3 23 Setpoints Pulses 3 22 SHIFT POSITION 3 23 3 25 SHIFT REG ANDing 1 8 3 24 Shift Register Clear Terminal 2 5 2 6 Shift Register Input Terminal...

Страница 74: ...______ __________________________________ 15 ____ ____ ____ ____ ___ ______ __________________________________ 16 ____ ____ ____ ____ ___ ______ __________________________________ 17 ____ ____ ____ ____ ___ ______ __________________________________ 18 ____ ____ ____ ____ ___ ______ __________________________________ 19 ____ ____ ____ ____ ___ ______ __________________________________ 20 ____ ____ ...

Страница 75: ...800 228 5487 U S A and Canada Web Site www electrocam com email ecam electrocam com PRINTED IN U S A 257 4 99 ...

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