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M–Traverse User Manual 0001-0122 Revision F
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1. XXXX XX XXX XXX XX XXXX X XXXXX OON DOA Character 16 ETX The return message is always terminated with the ASCII ETX character Table 3 44 ASCII to Binary ASCII Binary ASCII Binary ASCII Binary ASCII Binary Bit7 Bit 1 Bit7 Bit 1 Bit7 Bit 1 Bit7 Bit 1 0000000 1100000 0000001 1100001 0000010 1100010 000001 1 1100011 0000100 1100100 0000101 1100101 0000110 1100110 0000111 1100111 0001000 1101000 0001001 1101001 0001010 1101010 0001011 1101011 0001100 1101100 0001101 1101101 0001110 1101110 0001111 1101111 0010000 1110000 0010001 1110001 0010010 1110010 0010011 1110011 0010100 1110100 0010101 1110101 0010110 1110110 0010111 1110111 0011000 1111000 0011001 1111001 0011010 1111010 0011011 1111011 0011100 1111100 0011101 1111101 0011110 1111110 0011111 1111111 eue SNS CaO DD Voz SEA PRO Ge SS ONS SSS e C7 0 0 2 el zx sk 0 9 ter R9 JOWUOW Sp e asn ul JON esn esf ul ul JON JON esp ul JON esn esn ul ul JON JON vino Vino SAY PWOH IV annoy asn ul JON 0916 g 1292 1095 v 109 95 9918S 19 5 uedo 11020 11020 a
2. 3 36 Entering Alarm Control Parameter 3 36 Default At Home Control Parameter 3 37 Entering At Home Control Parameter 3 37 vi Table 3 34 Table 3 35 Table 3 36 Table 3 37 Table 3 38 Table 3 39 Table 3 40 Table 3 41 Table 3 42 Table 3 43 Table 3 44 Table 3 45 Default Control Parameters for Output A 3 39 Entering Control Parameters for Output A 3 39 Default Control Parameters for Output B 3 41 Entering Control Parameters for Output 3 41 Parameter Send Host 3 67 Parameter Send M Traverse Response 3 69 Control Command Send Host Transmission 3 71 Control Command Send M Traverse Response 3 73 Data Inquiry Host Transmission 3 75 Data Inquiry M Traverse Response 3 77 ASCII to Binary 3 79 Binary Monitor Parameters 2 3 80 Introduction Introducing the M Traverse Examples of M Traverse Applications INTRODUCING THE M TRAVERSE The M Traverse is a highly accurate digital position controller The M Traverse s technical
3. a 3 3 Control Parameters ee esee iater kae 3 7 Follower Mode ccr tei ana 3 8 Direct p 3 29 e E 3 30 EUAN M 3 32 Output Control niacin cae ae dee Ak 3 34 M Traverse Operation nennen nennen 3 43 Follower Modeni ruie in anaia 3 44 HOME a E 3 45 HOME Ep 3 45 t e pe 3 50 Direct Mode iuter Hee RU e coe ten 3 51 Monitor Variables des Beten Daneel 3 53 Input MOMONING A E ER 3 54 Output Monitoring ee oreet eerte 3 56 Performance Monitoring 3 58 Status o 3 60 Serial Communications essen nennen 3 63 Using Serial Communications 3 64 Communications Software Design 3 66 Troubleshooting 4 1 DIAGNOSTICS DM 4 3 Troubleshooting recte een an dag 4 13 EPROM Chip Replacement urssssnnnnnnnnnsnnnnnnnnnnnnnnnnnnnnnnnnnn mann 4 19 References 5 1 Glossaly Ma IBI Rate ii ba eran Gs 5 3 Appendix A M Traverse Specifications 5 11 Appendix B Formulas ne tttm erat 5 13 Appendix C Parameter Summary Numeric
4. N n Process CP 09 Plateau KC CP 09 Plateau 09 Ratio Sync HOME SET Home Set is one of two ways in which you can establish Home Home Seek is the other way When the Home Set input is closed it sets the current position of the Follower mechanism as Home Home Set will establish Home at any arbitrary position that you choose You can use the Jog input to position the Follower mechanism or you can position it manually Home Set enables the Drive Enable logic output which allows the Follower mechanism to hold its position at Home despite any outside force Such as gravity The Home Set is a momentary input that is edge triggered and is activated through the Home Set input J3 pin 14 16 NOTE Home must be established before the Follower mode can be used Home is identified by a Follower position of zero In the Follower mode 15 the position from which the profile traverses in the Forward direction HOME SEEK Home Seek also establishes Home Home Seek finds and sets by locating the Home Sync Sensor When the Home Seek input is closed the Follower mechanism makes a profiled move at jog speed until it aligns with the Home Sync sensor which then becomes Home Home Seek enables the Drive Enable logic output which allows the Follower mechanism to hold its position at Home despite any outside force such as gravity Home Seek is a momentary inpu
5. 4 17 EPROM Location aea a E E EEEN 4 18 M Traverse Wiring Connections without Relays 5 40 Relay Run Stop Wiring Connections 5 41 Run Stop for Regen with Armature Contactor 5 42 Run Stop for Non Regen with Armature Contactor Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 3 5 Table 3 6 Table 3 7 Table 3 8 Table 3 9 Table 3 10 Table 3 11 Table 3 12 Table 3 13 Table 3 14 Table 3 15 Table 3 16 Table 3 17 Table 3 18 Table 3 19 Table 3 20 Table 3 21 Table 3 22 Table 3 23 Table 3 24 Table 3 25 Table 3 26 Table 3 27 Table 3 28 Table 3 29 Table 3 30 Table 3 31 Table 3 32 Table 3 33 List of Tables Basic Keypad Entry 3 4 Default Control Mode Control Parameters 3 9 Entering Control Mode Control Parameters 3 9 Default Follower Scaling Control Parameters 3 11 Entering Follower Scaling Control Parameters 3 12 Default Setpoint Control Parameters 3 13 Entering Setpoint Control Parameters 3 14 Default Traverse Length Control Parameters 3 15 Entering Traverse Length Control Parameters 3 15 Default Accel Decel Length Control Parameters 3 17 Entering Accel De
6. 65 8 1797 0001 0 6 6 6 1 0 62 2 1 2 S L p p I I seDeg 09 A9g 1 8 95 6 2 6 08 uDnoJui 82 6 IA A seDeg 1292 0001 pr eDed H xipueddy 60 peppy 0c L 9H Xepu 85 6 GE G 5 seDeg 194 0001 00 292 0001 A8H JequinN UOISIA9H Burpuodssuog uoisi eH 093 jenueyy NOISIA34 XIGNAddV xoJex aseajay jenueyy sebed 5 44 SERVICE POLICY Contrex Inc recognizes that with each sale of its product there are certain product obligations This document defines the limits of such obligations and provides guidelines for the performance of related services Applicability This Service Policy shall apply to all product sales of Contrex Inc However it may be modified by mutual consent Thus whenever an accepted proposal contains wording inconsistent with this policy the proposal will prevail with respect to specific sale or series of sales involved Applicability of this policy is also somewhat limited in cases where products are sold to an OEM for resale to user See paragraph below entitled OEM Service Service Personnel Contrex Inc has a staff whose primary responsibility is service both factory service and field on site service Personnel of this department are usually available for service on a 24 hour notice To facilitate quicker handling o
7. 61 Ur Start Here HOME RETURN If Home has been established through either Home Set or Home Seek then Home Return can return the Follower mechanism to Home When the Home Return input is closed the Follower mechanism makes a profiled move at jog speed until it aligns with Home The Follower mechanism will move toward in either the reverse or forward direction depending on which direction is closer to Home When the Follower mechanism travels in the reverse direction to locate Home it ramps down at the Accel Decel rate CP 60 to zero This causes the Follower mechanism to overshoot the Home Sync sensor by a distance that is equal to the At Home Band CP 30 The M Traverse compensates with a forward triangulated Accel Decel move that aligns the Follower mechanism with Home Reverse Forward Limi u Jog Speed 61 Sensor When the Follower mechanism travels in the forward direction to locate it decelerates directly down to the position from a predetermined position that ramps the Follower directly to the position Reverse Forward I Jog Speed mit CP 61 gt NS NS m 4 Start Home Sync Sensor Home Return enables the Drive Enable logic output which allows the Follower mechanism to hold its position at Home despit
8. Tach Lead Position Follower Position Follower Engineering Units Product Rate Position Error See Appendix C MV 49 See Appendix C CP 18 See Appendix C MV 86 See Appendix C MV 46 See Appendix C MV 87 See Appendix C MV 40 See Appendix C CP 02 04 06 08 Tuning stabilizes speed error differences between the setpoint and feedback Ring Kits are flange motor mounted sensors that measure the pulses per revolution PPR of the motor shaft See Appendix C CP 32 The operating speed of the Follower The operating speed of the Lead The Run discrete input initiates the follower profiling function Run can be activated when the M Traverse is in F Stop however Run cannot be activated when the M Traverse is in Jog Home Seek or Home Return Scaling Control Parameters supply the M Traverse with the information that it needs to calculate the ratio of Follower Lines to Lead Lines using Engineering Units The M Traverse can interface with a host computer 10 Setpoints 1 2 3 4 Status Monitoring Trim Output Unipolar Bipolar through a RS422 Serial Communications Interface This interface allows the host computer to perform remote computer parameter entry status or performance monitor ing and remote control of the M Traverse See Appendix C CP 01 03 05 07 Keypad Error MV 50 Alarm Status MV 51 Control State MV 52 Invalid Profile MV 58 Line Notch Counter MV 59 Lead Job Siz
9. 1 will appear in the upper LED display Check the power line for AC voltage integrity Use MV 59 to monitor line notching CPU Watchdog Failure If a CPU watchdog failure occurs then 2 will appear in the upper LED display This failure is generally the result of EMI or high frequency noise on the power or the signal lines To prevent these failures Ground the chassis and AC power properly Only one end of the shield wire in a shielded cable should be attached to earth ground Install a power line filter on the AC line if you suspect there may be AC line noise Isolate the internal signal common J3 Pin 4 and chassis ground J2 Pin 1 Install ARC suppressors on any relay and contactors that are in close proximity to the M Traverse Keep all signal wires isolated from AC power wires Because 2 indicates that the CPU has malfunctioned it is important to restore the M Traverse default memory locations Run the Clear 7 Power Up procedure and the M Traverse will restore the factory default settings and it will also perform the power up routine To run the Clear 7 Power Up procedure Record the Control Parameters that are unique to your system Turn the power to the M Traverse off Turn the power to the M Traverse on while simultaneously pressing Clear and 7 on the keypad The M Traverse restores the factory default settings and then performs the power up routine Reenter the Control Pa
10. Dwell parameters creates a zigzag pattern Figure 1 2 illustrates a typical Web Scanning application FOLLOWER a gt HOME SYNC CONTREX FEEDBACK FREQUENCY FE EE gt G OO OO M Traverse Figure 1 2 M Traverse Web Scanning Application LEAD FREQUENCY 1 5 NOTES Installation Setup Configuration Mounting Wiring Inputs Outputs Serial Communications Calibration Motor Drive Setup M Traverse Calibration CONFIGURATION This section will show you how to re configure the M Traverse for electrical compatibility Complete these procedures prior to installation These procedures do not require power to complete The two areas that are involved in re configuring the M Traverse are the Isolator Voltage jumper and the Power Voltage switch Do not re configure the M Traverse s Frequency Input Use the default Quadrature position To re configure the Isolator Voltage jumper and the Power Voltage switch remove the back plate then carefully remove the Power Board Figure 2 1 illustrates the location of the boards LLLLIIIIIITITTTTIIIITITITE UALILLLIIEIILLLLILIITITITTITITTITTTTTEMS 5 i CPU Board Figure 2 1 Rear View of M Traverse Power Board The Isolator Voltage jumper J3 is located on the Power Board see Figure 2 2 It configures the isolated analog output for either voltage that is ranged by an internal 15 volt reference or for voltage that is auto
11. is the active control state Jog Run Follower Direct Home Return Home Seek F Stop Wait is Active MV 58 INVALID PROFILE If a profile entry has been rejected the Invalid Profile parameter will display the reason that it was rejected The M Traverse will not allow your system to enter Run if there is an invalid profile The digit that displays a number 1 is the error In the example below The process length is zero or negative is the error Lead Size or Follower Size gt 14 400 000 Process length is either zero or negative Not Used Not Used Not Used Not Used 62 MV 59 LINE NOTCH COUNTER The Line Notch Counter parameter checks the integrity of the AC line Notches on the line are caused by inductive loads e g motors contactors which cause the counter to increment if the AC line is too low soft The Line Notch Counter displays the number of line notches that have occurred on the AC line MV 80 LEAD JOB SIZE The Lead Job Size displays the total Lead encoder lines that are registered for the most recent job cycle MV 81 FOLLOWER JOB SIZE The Follower Job Size displays the total Follower encoder lines registered for the forward direction of the profile MV 84 FOLLOWER PROFILE LENGTH The Follower Profile Length displays the calculated number of forward encoder lines for the profile MV 86 PROCESS RATIO The M Traverse calculates and displays the commanded ratio of the Follower Frequency to
12. 0 Output A Polarity Output B Segment Output B Direction Output B Polarity MAX DEFAULT 30000 4095 30000 30000 32 WwW WW 50 0 3000 O ONO oL UNITS RPM DAC Bits N A N A N A Coded Coded Coded Coded Coded Coded Coded Coded Coded Coded 37 38 APPENDIX E MONITOR VARIABLE REFERENCE DESCRIPTION Tach Velocity Lead Frequency Feedback Frequency Lead Position Follower Position Follower Position E U Product Rate DAC Output Trim Output Position Error Keypad Errors Alarm Status Control State Discrete Inputs Group A Discrete Inputs Group B Discrete Inputs Group C Discrete Outputs Group A Discrete Outputs Group B Invalid Profile Line Notch Counter Com Errors Lead Job Size Foll Job Size Foll Profile Length Process Ratio Profile Ratio Batch Count Software Code Revision Software Part Number 3600 99999 99999 99999999 99999999 99999 0 0 4095 4095 99999999 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0000 0 0000 0 3600 120000 120000 536000000 536000000 999999 9999 9 4095 4095 536000000 011111 010111 110000 111111 111011 001111 111111 000001 000011 999999 11111 536000000 536000000 536000000 10 0000 10 0000 9999 Hz Hz Lines Lines E U Cycles Min DAC Bits DAC Bits Lines Coded Coded Coded Coded Coded Coded Coded Coded Coded Coded Coded Lines Lines Lines Ratio Ratio Coun
13. Parameter Error invalid parameter or message type Bit 0 1 Transmit Error parity framing overrun no STX or no ETX Note The M Traverse will only accept data if there are no errors The ASCII error code Binary code 1000000 indicates that the Host Transmission contains no errors Also see MV 74 for the ASCII Error Code for the last Response Message 74 Characters 5 6 Parameter Number These characters will always be 0 Characters 7 through 12 DATA These characters will always be 0 Characters 13 14 DATA The command function of the message that was received is returned Character 15 Data Format This character will always be 0 Character 16 ETX The return message is always terminated with the ASCII ETX character Data Inquiry Use the Data Inquiry to request the current value for Parameters i e Control Parameters or Monitor Variables Table 3 42 Data Inquiry Host Transmission DESC Devi Dev MSG Par Par Data Data Data Data Data Data Data Data Data STX 10 1s Type 10s 15 10mil imil 100th 10th 1th 100s 10s 1s Format ETX ASCII The following is a description of the Data Inquiry Host Transmission Characters Character 1 STX This is the first character in the character string None of the other characters will be recognized without this character prefix Always use the ASCII STX character to enable the M
14. The Lead Frequency is a pulse train input that the M Traverse uses to com Lead determine the Lead motor s speed and position The Lead Frequency che signal must be quadrature For signal level specifications refer to References Appendix A M Traverse Specifications Shield Figure 2 7 Lead Frequency Feedback Frequency J3 pins 6 7 8 9 The Feedback Frequency is a pulse en train input that the M Traverse uses to determine the Follower motor s speed com Feedback and position The Feedback Quad Frequency signal must be quadrature che Encoder For signal level specifications refer to References Appendix A M Traverse Specifications Figure 2 8 Feedback Frequency WARNING If the Feedback Frequency is lost the M Traverse will command a 00 Speed Out and the motor will run at 100 of the calibrated range This can cause severe injury death or it can damage your equipment Home Sync J3 pins 6 11 12 The Home Sync input identifies the location of Home for the Home Seek operation This input is operated by either a proximity switch or an optical Common sensor switch NPN output Shield Home Sync Figure 2 9 Home Sync 12 Setpoint Select A J3 pins 13 14 Setpoint Select A The Setpoint Select A and B inputs are used in conjunction with each other to select one of four M Traverse setpoints and traverse lengths The chart below displays these four setpoints Fig
15. e Figure G 2 Relay Run Stop Wiring Connections WARNING This diagram is for conceptual purposes only Use safety equipment Make wiring connections carefully Incorrect use of equipment or connections can cause injury or death Armature Lin Neutral Contactor 12 Volt Power Supply F STOP ON VOLTAGE REFERENCE SPEED COMMAND OUT ISOLATED COMMON SHIELD EXT SUPPLY DRIVE ENABLE M Traverse Figure G 3 Run Stop for Regen with Armature Contactor WARNING This diagram is for conceptual purposes only Use safety equipment Make wiring connections carefully Incorrect use of equipment or connections can cause injury or death Line Neutral F Stop Start Lice Armature M1 AUX1 Contactor 1 2 3 4 5 ISOLATED OUTPUT 6 TO DRIVE M1 AUX 1 7 VDC 8 VOLTAGE REFERENCE SIGNAL SPEED COMMAND OUT ISOLATED COMMON ISO COMMON SHIELD M Traverse Figure G 4 Run Stop for Non Regen with Armature Contactor y JO UOISIA9J JUNI Jsou 24 eu esn eJeu SI Jeym Ley 1 99 UOISIASI J jou SUOSIA BIEMYOS 29 epoo Mau peppy vy S 081 BE G 96 6 61 6 LL G 16 0 seDeg 292 0001 pr 1 1 1 1 1 1 1 1 P S OZ L ASH 96 9 05 6 12 6 81 6 1 9 9 G
16. 12 13834 HO1V8 S Y ase NHf113H SWOH a o vor L 8 LNdLNO z e EA o Aat 3335 3WOH v nd no m POr 3NOH 1V Jans Aliovany OL enlayoooy 3215 Alm LINIS 13S 3WOH O wey MI sissviio Ox woo cui 81035 cil 17 oas Z UNY Sco INANI 1 041385 A 3NOG HO1V8 opa Y STO INSHENO YH 318VN3 woo B v oa as OO eu ON 1409135 O e ONAS al S ones A A sa CL gt ol o WES i er 6 438 3W0H a EST ES avno 8 8 woo o 2 p roses 9 9 NOWWOO S 8 axe 5 A mo 9 avno v v UXH Avus xx 8 ae LI ava ax M gt 3 LNO 5 100 XNY 9QAS L 170 xnv Danz e WIRING This section contains the input output and serial communications wiring information for the M Traverse Please read this section prior to wiring the M Traverse to ensure that you make the appropriate wiring decisions NOTE The installation of this motor control must conform to area and local electrical codes See The National Electrical Code NEC Article 430 published by the National Fire Protection Association or The Canadian Electrical Code CEC Use local codes as applicable Use a minimum wire gauge of 18 AWG Use shielded cable to
17. Follower position tracking Enter 3 to enable Follower position tracking The polarity type and direction are determined by the following Control Parameters Home Sync Polarity CP 35 The Home Sync Polarity CP 35 parameter allows you to choose between rising edge polarity positive going signal or falling edge polarity negative going signal during Home Seek This feature is extremely useful when you use reflective or transmissive optical sensors for the Home sensor Enter 1 in CP 35 for a rising edge or 2 for a falling edge Refer to the diagram below Rising Edge Falling Edge Vdc Vdc 0 0 Vdc Forward Reverse Limit Polarity CP 36 The Forward Reverse Polarity Limit CP 36 parameter allows you to choose between rising edge polarity positive going signal or falling edge polarity negative going signal so that the Follower mechanism will not travel beyond the traverse length limit This feature is ex tremely useful when you use reflective or transmissive optical sensors for the Home sensor Enter 1 in CP 35 for a rising edge or 2 fora falling edge The factory default for the Polarity Control Parameters are found in Table 3 18 To modify the default parameters refer to Table 3 19 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 18 Default Polarity Control Parameters CP Parameter Name Parameter Value Table 3 19 Entering Polarity Control
18. Forward Limit Reverse Limit Not Used Home Sync Setpoint Select A Setpoint Select B MV 55 DISCRETE INPUTS GROUP C The Discrete Inputs Group C displays the status of the Home Set Home Seek Home Return and Batch Reset discrete inputs The number 1 indicates an open or logic high level The number 0 indicates a closed or logic low level shorted to common In the example below Home Seek is the open or logic high level Home Set Home Seek Home Return Batch Reset Not Used Not Used MV 56 DISCRETE OUTPUTS GROUP A The Discrete Outputs Group A displays the status of the Drive Enable Batch Done Alarm Profile Direction At Home and Output A discrete outputs The number 1 indicates an inactive or de energized logic high level The number 0 indicates an active or energized logic low level In the example below Batch Done is the inactive or de energized logic high level Drive Enable Batch Done Alarm Profile Direction At Home Output A MV 57 DISCRETE OUTPUTS GROUP B The Discrete Outputs Group B displays the status of the Output B discrete outputs The number 1 indicates an inactive or de energized logic high level The number 0 indicates an active or energized logic low level In the example below Output B is the inactive or de energized logic high level Output B Not Used Not Used Not Used Not Used Not Used MV 58 INVALID PROFILE If a profile ent
19. In the web scanning application the Setpoint param eters are the traverse length These preset parameters can be switch selected via the Setpoint Select switches which gives the operator the option of changing over the product up to four times The factory defaults for the Default Setpoint Control Parameters are found in Table 3 6 To modify the default parameters refer to Table 3 7 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 6 Default Setpoint Control Parameters CP Parameter Name Parameter Value CP 01 Setpoint 1 0 000 CP 07 Setpoint 4 0 000 Table 3 7 Entering Setpoint Control Parameters CP Parameter Name Parameter Value CP 01 Setpoint 1 In a level wind application enter your E U measurement of one laypitch In a web scanning operation enter your E U measurement for one traverse length CP 03 Setpoint 2 In a level wind application enter your E U measurement of one laypitch In a web scanning operation enter your E U measurement for one traverse length CP 05 Setpoint 3 In a level wind application enter your E U measurement of one laypitch In a web scanning operation enter your E U measurement for one traverse length CP 07 Setpoint 4 In a level wind application enter your E U measurement of one laypitch In a web scanning operation enter your E U measurement for one traverse length Traverse Length CP 02 CP 04 CP 06 CP 08 The T
20. Scaling Accel Decel and closed loop compensation PI algorithms are bypassed in the Direct mode The Direct mode is used in conjunction with the Run and the Stop controls Caution To avoid damage to your system the M Traverse must be calibrated and the motor drive set up before you enter the Direct mode Refer to nstallation Setup Calibration The Direct Analog Command CP 62 parameter uses the full 12 bit resolution of the analog Speed Command Output A value of 4095 is a 100 forward output command A value of 2048 is a 5096 forward output command 0 is a zero output command A negative value indicates a reverse output command e g 4095 is a 100 reverse command To enable the Direct mode enter 2 the Control Mode CP 14 parameter The factory default Direct Mode Control Parameters are found in Table 3 20 To modify the default parameters refer to Table 3 21 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 22 Default Direct Mode Control Parameters Parameter Name Parameter Value Direct Analog Command Control Mode Table 3 23 Entering Direct Mode Control Parameters CP Parameter Name Parameter Value CP 62 Direct Analog Cmd Enter the DAC bits of the calitrated full scale Speed Command Out at which you want your system to operate CP 14 Control Mode Enter 2 to enable the Direct Mode disables both Follower Mode options 30 JOG When
21. The Follower Position E U s parameter converts the Follower Position CP 44 into Engineering Units MV 46 PRODUCT RATE The M Traverse calculates the cycle time for the last completed profile in each direction and uses this to determine the Product Rate in profiles layers per minute MV 47 DAC OUTPUT The DAC Output displays the present level of the analog speed command output to the motor drive The DAC output displays in DAC bits A value of 4095 indicates a 100 positive output and a value of 4095 indicates a 100 negative output MV 48 TRIM OUTPUT The Trim Output is the calculated output of the compensation algorithm gain plus integral This value is displays in DAC bits A value of 4095 indicates a 100 positive output and a value of 4095 indicates a 100 negative output MV 49 POSITION ERROR The Position Error displays the difference between the current Follower position and the commanded Follower position It displays in Follower encoder lines A positive value indicates that the Follower is behind the commanded position lagging and a negative value indicates that the Follower is ahead of the commanded position leading MV 50 KEYPAD ERROR If a Control Parameter entry has been rejected Keypad Errors will display the reason that it was rejected The digit that displays a number 1 is the error In the example below Value Exceeds Maximum Limit is the error Invalid Code Parameter Value Exceeds Max
22. function during Run If you set CP 37 to 1 then the M Traverse will engage F Stop when the Forward Limit is encountered during However if you want the M Traverse to terminate the Constant Pitch Plateau decelerate to zero speed process the Forward End Dwell and then begin the reverse profile back to home when the Forward Limit is encountered then set CP 37 to 2 40 TACH FEEDBACK VELOCITY Tach is the feedback Follower displayed in RPMs The feedback is read by the M Traverse every 250 microseconds The readings are summed averaged and then displayed every 250 milliseconds MV 41 LEAD FREQUENCY The Lead Frequency displays the frequency of the Lead Frequency Input J3 pin 3 4 5 in hertz pulses per second MV 41 is averaged it is the 250 millisecond frequency calculation prior to the display update MV 42 FEEDBACK FREQUENCY The Feedback Frequency displays the frequency of the Feedback Frequency Input J3 pin 7 8 9 in hertz pulses per second MV 42 is averaged it is the 250 millisecond frequency calculation prior to the display update MV 43 LEAD POSITION The Lead Position displays the distance of the Lead relative to the beginning of the profile This value is displayed in encoder lines MV 44 FOLLOWER POSITION The Follower Position displays the distance of the Follower relative to the Home position This value is displayed in encoder lines MV 45 FOLLOWER POSITION E U s
23. high or low Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Hefer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse and do not need to be added externally 22 Auxiliary DC Power J3 pins 1 2 The 5 volt output J3 pin 1 is a DC regulated output that can be used to power encoders or other auxiliary equipment that is used in conjunction with the M Traverse The 12 volt output J3 pin 2 is a DC regulated output that can be used to power the proximity sensors or other auxiliary equipment that is used in conjunction with the M Traverse Refer to Figure 2 25 WARNING Do not exceed the maximum current output of 250 mA for 5 VDC and 200 mA for 12 VDC Exceeding the maximum current output can damage the M Traverse Diode Protect Drive Enable EXTERNAL Batch Done POWER Alarm rn Profile Dir 50V Max neice Output A Output B Common Figure 2 25 Discrete Outputs SERIAL COMMUNICATIONS NOTE The installation of this motor control must conform to area and local electrical codes See The National Electrical Code NEC Article 430 published by the National Fire Protection Association or The Canadian Electrical Code CEC Use local codes as applicable The Serial Communications interface on the M Traverse complies with EIA Standard RS 422 for
24. 09 Accel Decel Length Enter the number of encoder lines for the desired Accel Decel Length Dwell CP 10 The Dwell CP 10 parameter allows the Follower mechanism to pause at the end of the Follower profile before ramping back in the opposite direction In level wind applications this parameter is a portion of the encoder lines in one rotation of the reel Lead In web scanning applications this parameter is a portion of the encoder lines in one traverse length The Dwell parameter does not need to be an exact number the system will perform adequately with a close estimate The factory default for the Dwell Control Parameter is found in Table 3 12 To modify the default parameter refer to Table 3 13 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 12 Default Dwell Control Parameter Parameter Name Parameter Value Table 3 13 Entering Dwell Control Parameter CP Parameter Name Parameter Value CP 10 Dwell In a level wind applications enter a portion of the encoder lines in one rotation of the reel In a web scanning applications enter a portion of the encoder lines in one traverse length Other Follower Parameters The orientation edge or center of Home changes in the position and changes made on the fly are determined by the following parameters Edge Center Based Profile CP 24 The traverse length is measured from Home The Edge Ce
25. Alarm Profile Direction At Home Output A Output B 5 to 15 VDC Unipolar or Bipolar isolated output Auto range to drive reference level 12 bits resolution 500 mA max at 0 25 degrees C ambient 250 mA max at 25 50 degrees C ambient RS422 300 to 9600 Baud Full parameter access and control 115 230 10 15 VAC 50 60 Hz 0 25 Amp 0 to 55 degrees C 0 to 90 non condensing 1 2 DIN NEMA 12 panel mount 7 5 inches height 3 9 inches width 6 0 inches depth 5 pounds 6 ounces APPENDIX B FORMULAS Use the following formulas to calculate Tach MV 40 and E U setpointing MV 84 MV 86 M TRAVERSE FORMULAS Tach and Engineering Feedback Feedback Frequency X 60 Velocity RPMs PPR Follower 18 MV 86 Process Setpoint ceo X Follower Lines Ratio E U cp 15 Lead PPR Reel 16 Follower v Profile Traverse Length cro X Follower Lines E U cp 17 Length cp 15 encoder lines 13 APPENDIX C PARAMETER SUMMARY NUMERIC QUICK REFERENCE CP 01 SETPOINT 1 The Setpoint parameters are set up as pairs in conjunction with the Traverse Length parameters There are four pairs of Setpoint and Traverse Length parameters The Setpoint value is entered in Engineering Units E U s and automatically displays the decimal position that was entered in the Engineering Units CP 15 The Setpoint parameter determines how far the Follower travels based
26. M Traverse comes factory pre loaded with default Serial Communications Setup Control Parameters These Control Parameters set up the M Traverse to accommodate the RS422 Serial Communications Interface Generally the default settings are suitable for most applications and do not require modification The factory default Serial Communications Setup Control Parameters are found in Appendix E When communications have been established through the host computer these default parameters can be modified using the Serial Communications Interface CP 70 DEVICE ADDRESS The M Traverse has an access address which can be set from 1 to 32 Each individual M Traverse on a multidrop RS422 communications link needs a unique Device Address The address 00 will be globally accepted by all of the M Series Controls on the communications link however they will not send a response message back to the host computer when this global address is used CP 71 BAUD RATE There are six different baud rates data rates for the M Traverse Enter the number for the required rate as listed below 12 300 Baud 2 600 Baud 3 1200 Baud 4 2400 Baud 5 4800 Baud 6 9600 Baud CP 72 CHARACTER FORMAT The M Traverse uses three different character formats Enter the number for the required format as listed below 1 8 Data Bits No Parity One Stop Bit 2 7 Data Bits Even Parity One Stop Bit 3 8 Data Bits No Parity Two Stop Bits CP 73 CONTROL
27. M Traverse the following information Engineering Units CP 15 In a level wind application CP 15 is your Engineering Unit E U measurement of a laypitch In a web scanning application CP 15 is your E U measurement for a traverse length If your application uses the M Traverse s setpoint flexibility to change over the operation and you have more than one measurement then pick one arbitrarily However be sure to reference that same measurement consistently throughout the scaling set up In setting up the scaling you are simply allowing the M Traverse to establish a conversion of encoder lines to the E U that you prefer to use Place the decimal in the location of your desired resolution to the tens hundreds or thousands place All of the other Control Parameters or Monitor Parameters that display in E U s will automatically display the correct decimal position Lead PPR Reel CP 16 In a level wind application CP 16 is the number of Lead encoder lines that the Lead Frequency input registers as a result of one revolution of the reel In a web scanning application CP 16 is the number of Lead encoder lines that the Lead Frequency input registers when the Follower travels one traverse length When you calculate this variable be sure to consider all gear reductions belt reductions and other types of reducers Use the following procedure to check CP 16 Place the M Traverse in F Stop Activate the Home Set input clears the Lead p
28. MASK The Serial Communications can control some of the dicrete input functions Enter the number for the required functions as listed below 0 F Stop only 1 F Stop Run Home Return Home Seek Home Set 2 F Stop Batch Reset Setpoint Select 1 4 3 All of the Above MV 74 COMMUNICATIONS ERROR Serial Communications Error identifies errors in the last transmitted message that was sent to the M Traverse by the host computer The digit that displays a number 1 indicates the error In the example below Invalid Parameter Code is the error Transmit Error parity framing overrun no ETX no STX Parameter Error invalid parameter code or message type Data Error invalid data Min Max Error out of range Control Mask Error or Lockout during Run State Not Used COMMUNICATIONS SOFTWARE DESIGN The M Traverse Serial Communications Interface uses a polling technique to establish a link with the host computer All of the Control Parameters and Monitor Variables that are accessible through the M Traverse s front panel keypad are also accessible through the Serial Communications Interface The host computer sends a sixteen character record to the M Traverse to establish the link and the M Traverse responds with either a conformation or an error message Once the M Traverse responds the host computer can send additional transmissions All of the M Traverse s messages use the USA Standard Code for Information Intercha
29. Stop 2 16 5 5 Fax Cover Sheet p 5 39 Feedback Frequency 2 11 3 54 5 24 5 38 Follower Job Size 3 62 5 33 5 38 Follower Lines per Engineering Units 3 10 3 12 5 18 5 36 Follower Mode 3 8 3 44 5 5 Follower Mode Lay Adjusted Application 1 5 Follower Mode Standard Application p 1 4 Follower Position p 3 59 5 24 5 38 Follower Position E U 3 59 5 24 5 38 Follower Profile Length p 3 62 5 33 5 38 Follower Profile Parameters p 3 17 Follower Scaling Parameters p 3 10 Formulas p 5 13 Forward Limit p 2 17 Forward Limit Format p 5 24 5 36 Forward Reverse Limit Polarity p 3 27 5 23 5 36 Frequency Input p 2 3 G Gain 3 33 5 30 5 37 Glossary 5 3 H Hardwired p 5 6 High Speed Alarm p 3 36 5 18 5 36 Home Offset 3 21 3 23 5 22 5 36 Home Return 2 14 3 50 Home Seek p 2 13 3 45 Home Set 2 13 3 45 Home Sync 2 11 Home Sync Polarity 3 27 5 23 5 36 How to Replace the EPROM Chip p 4 19 Input Monitoring p 3 54 5 6 Input Power p 2 10 Input Test p 4 8 Inputs p 5 6 Integral 3 33 5 31 5 37 Introducing the M Traverse p 1 3 Invalid Profile 3 61 5 29 5 38 Isolator Voltage jumper p 2 3 J J1 pin 13 2 19 J1 pin 14 p 2 20 pin 15 2 20 J1 pin 16 p 2 20 J1 pin 17 p 2 21 J1 pin 18 2 21 J1 pin 19 2 21 J1 pins 8 9 10 11 p 2 19 J2 pins 1 2 3 p 2 10 J3 pins 1 2 p 2 22 J3 pins 13 1
30. Traverse s receive buffer Characters 2 3 Device Number These characters are the access address of the M Traverse This number identifies individual M Traverses on a multidrop system The M Traverse will accept data only if this number matches the M Traverse s address CP 70 with the exception of a 00 address The 00 address is universally accepted by all M Traverses that are on the RS422 Serial Communications Interface Character 4 Message Type This character should always be 2 76 Characters 5 6 Parameter Number This is the Control Parameter Code i e enter 16 for CP 16 Characters 7 through 14 DATA These characters should always be 0 Character 15 Data Format This character should always be 0 Character 16 ETX Always use the ASCII ETX character to terminate the character string Table 3 43 Data Inquiry M Traverse Response DESC Dev Dev Error Par Par Data Data Data Data Data Data Data Data Data STX 105 15 Code 105 15 10mil imil 100th 10th 1th 100s 105 1s Format ETX The following is a description of the Data Inquiry M Traverse Response Characters Character 1 STX This is the first character in the character string Characters 2 3 Device Number This is the two character access address for the M Traverse Character 4 Error Code If there are errors in the transmission that the M Traverse receives from
31. each end and the laypitch profile is 8 inches CP 28 will default at 9 inches for any amount above 9 inches that you enter in CP 28 because the opposite Accel Decel is 9 inches from the dwell See the diagram below for a profile representation of this example Laypitch da 9 lt Dwell ght 9 gt 29 UNIPOLAR BIPOLAR The M Traverse can interface with either single quadrant direction drives or with bi directional drives that use bipolar voltage commands positive and negative to indicate the direction Enter 1 for Unipolar operation or 2 for Bipolar operation NOTE CP 29 can not be changed during Run CP 30 AT HOME BAND The At Home Band CP 30 parameter allows for a certain amount of range in the Home position measured in encoder lines Although the Home Set and Home Seek inputs place home exactly at 0 the At Home Band parameter allows home to be located in a band that is measured in negative and positive encoder lines on each side of the 0 mark Enter the desired number of encoder lines in CP 30 NOTE The Follower mechanism must be positioned within the At Home Band before Run is entered The Follower position must also be within the At Home band to activate the At Home LED indicator front panel and the At Home discrete output CP 31 HOME OFFSET The Home Offset CP 31 parameter allows you to offset the Home position and relocate it somewhere other than the
32. forth in the instruction manual the purchaser should contact an authorized representative of Contrex Inc 8900 Zachary Lane North Maple Grove Minnesota 55369 Whether repairs will take place in the field or at the factory will be solely the prerogative of Contrex Inc If inspection reveals defects that are caused by faulty materials or workmanship Contrex Inc reserves the right to either replace the device or rebuild the device using new or refurbished warranted parts and components In either instance the device that is returned to the purchaser meets full factory standards for new device performance If there is less than 90 days remaining on the warranty period at the time of the repair the warranty will extend to 90 days after the repair Parts and services outside the scope of this warranty will be available at Contrex Inc current market price Contrex s liability for a device or it s use whether in warranty or not shall not in any instance exceed the cost of correcting the defects of the device Contrex Inc assumes no responsibility for damage to property or injuries to persons from improper use of this device No express warranties and no implied warranties whether of merchantability or otherwise except as to title other than those set forth above which are expressly made in lieu of all other warranties shall apply to any devise sold by Contrex Inc Contrex Inc reserves the right to change or i
33. it will not take you out of the test and the number of the prior key 15 will remain on the lower LED display Press Clear then Code Select only if you want to exit diagnostics Input Test 7 To Test the Discrete Inputs To enter this test press the Status key to increment or the Tach key to decrement until the number 7 is visible on the right side of the upper LED display Press Enter to start the test The lower LED display will remain blank unless an input has been shorted to common If an input has been shorted it s number will display For example if the number four appears in the display then F Stop has been shorted To test an input short that input and open all of the other inputs Input Closure Display NOT USED J3 10 10 HOME SYNC J3 12 11 SETPOINT SELECT A J3 13 12 SETPOINT SELECT B J3 15 13 HOME SET J3 16 14 HOME SEEK J4 2 15 HOME RETURN J4 3 16 BATCH RESET J4 5 17 RUN J4 6 02 WAIT J4 8 03 F STOP J4 9 04 KEYLOCK J4 11 05 FWD LIMIT J4 12 06 REV LIMIT J4 14 07 JOG FWD REV J4 15 01 JOG J4 17 00 Press Clear to exit the test Press Code Select only if you want to exit diagnostics Output Test 8 To Test the Discrete Outputs To enter this test press the Status key to increment or the Tach key to decrement until the number 8 is visible on the right side of the upper LED display Only the Help diagnostic indicato
34. mechanism is within the At Home Band CP 30 MV 58 displays 0 indicating that there is a valid Follower profile When the Follower mode has been activated the Follower mechanism will begin to move from Home in a forward direction toward the Forward Limit As the Follower mechanism travels along the Traverse Length CP 02 CP 04 CP 06 or CP 08 it accelerates for the specified Accel Decel Length CP 09 then travels the constant pitch plateau at the Process Ratio MV 86 At the end of the constant pitch plateau the Follower mechanism decelerates the specified Accel Decel Length CP 09 to Dwell CP 10 The Follower mechanism remains at zero speed for the specified Dwell then repeats the same profile in reverse If the Wait input J4 pins 7 8 is shorted to common low the Follower mechanism will pause at the closest end of the profile until the Wait input is open high The Drive Enable discrete output is active during the Follower mode Caution To avoid damage to your system the M Traverse must be calibrated and the motor drive set up before you enter the Follower mode Refer to nstallation Setup Calibration The following diagram illustrates the Follower profile Follower Lead Patio Forward i Reverse 1 f 1 1 1 Traverse Length gt Dwell Traverse Length Dwell Accel Accel i CP 10 i Accel Accel CP 10 1 Decal Constant Pitch Constant Pitch
35. millisecond frequency calculation prior to the display update MV 53 DISCRETE INPUTS GROUP A The Discrete Inputs Group A displays the status of the Jog Jog Forward Reverse Run Wait F Stop and Keypad Lockout discrete inputs The number 1 indicates an open or logic high level The number 0 indicates a closed or logic low level shorted to common In the example below Jog Forward Reverse is the open or logic high level Jog Jog Forward Reverse Run Wait F Stop Keypad Lockout MV 54 DISCRETE INPUTS GROUP B The Discrete Inputs Group B displays the status of the Forward Limit Reverse Limit Home Sync Setpoint Select A and Setpoint Select B discrete inputs The number 1 indicates an open or logic high level The number 0 indicates a closed or logic low level shorted to common In the example below Reverse Limit is the open or logic high level Forward Limit Reverse Limit Not Used Home Sync Setpoint Select A Setpoint Select B MV 55 DISCRETE INPUTS GROUP C The Discrete Inputs Group C displays the status of the Home Set Home Seek Home Return and Batch Reset discrete inputs The number 1 indicates an open or logic high level The number 0 indicates a closed or logic low level shorted to common In the example below Home Seek is the open or logic high level Home Set Home Seek Home Return Batch Reset Not Used Not Used OUTPUT MONITORING These MVs monit
36. of the reel or layer is one lead revolu tion Enter the total number that you want counted in Batch Limit CP 27 Batch PreAct Distance CP 28 The Batch PreAct Distance CP 28 parameter is used only if the Batch Format CP 26 has been set to number 1 Follower traverses CP 28 allows you to set a specific distance at which to activate the Batch Done This can be at the end dwell or any distance from dwell up to the Accel Decel Length at the opposite end from dwell If you enter a number that would go beyond the Accel Decel Length the M Traverse will automatically default to the Accel Decel Length For example your reel is 10 inches long with an Accel Decel Length of 1 inch on each end and the laypitch profile is 8 inches CP 28 will default at 9 inches for any amount above 9 inches that you enter in CP 28 because the opposite Accel Decel is 9 inches from the dwell See the diagram below for a profile representation of this example The factory defaults for the Batch Control Parameters are found in Table 3 26 To modify the default parameters refer to Table 3 27 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 28 Default Batch Control Parameters CP Parameter Name Parameter Value CP 26 Batch Format 1 CP 27 Batch Limit 0 CP 28 Batch PreAct Distance 999999 Table 3 29 Entering Batch Control Parameters CP Parameter Name Parameter Value P 26 Batch Format Ent
37. on the Lead The Follower travels the setpoint distance while the Lead travels the distance entered into CP 16 In the level wind application the Setpoint parameters are the laypitch center to center distance between windings on the reel In the web scanning application the Setpoint parameters are the traverse length These preset parameters can be set up as a Switch via the Setpoint Select switches which gives the operator the option of changing over the product up to four times CP 02 TRAVERSE LENGTH 1 The Traverse Length parameters are set up as pairs in conjunction with the Setpoint parameters There are four pairs of Setpoint and Traverse Length parameters The Traverse Length value is entered in Engineering Units E U s and the decimal position that was entered in the Engineering Units CP 15 parameter is automatically displayed The traverse length is the distance that the Follower mechanism will travel In level wind applications the traverse length is generally the length of the reel In web scanning applications the traverse length is generally the width of the web The traverse length measurement corresponds to the setpoint measurement For example in a level wind application you may have a reel that measures one foot that is wrapped with two inch hose You would enter 2 inches in Setpoint 1 CP 01 and 12 inches in Traverse Length 1 CP 02 CP 03 SETPOINT 2 The Setpoint parameters are set up as pairs in conjunction
38. segment of the Follower profile Enter 3 to activate Output B during the Dwell segment of the Follower profile reverse directions CP 95 B Polarity Enter 0 to activate Output B as Active Low Voltage Level Enter 1 to activate Output B as Active High Voltage CP 94 Output B Direction Enter 1 to activate Output B during the forward direction Enter 2 to activate Output B during the reverse direction Enter 3 to activate Output B during the forward and Level NOTES M TRAVERSE OPERATION The M Traverse Operation section addresses the six modes that control the M Traverse s operation This section explains the function of each of these modes and how to use the modes for your specific system application Diagrams are included to illustrate the profile sequences The six modes are Follower Mode Standard or Lay Adjusted Home Set Home Seek Home Return Direct Mode Jog FOLLOWER MODE WEB SCANNING OR LEVEL WIND The M Traverse is specifically designed for the precise control of reciprocating lead follower motion control applications Its primary mode of operation is the Follower mode The Run input J4 pins 6 7 activates the Follower mode when the following conditions have already been established The Control Mode CP 14 is set to the Follower mode 1 for Standard 3 for Lay Adjusted The M Traverse is either in F Stop or a position hold state The Follower
39. sensor If CP 24 is set at 1 edge based measure the distance from the sensor to the desired position of Home Enter that E U amount in CP 31 FOLLOWER LEAD DIRECTION OF WIND Sensor Edge Based Home Offset Home CP30 If CP 24 is set at 2 center based measure the distance from the sensor to the center Enter that E U amount in CP 31 The M Traverse will make a transparent internal calculation and position Home at a distance that is CP 31 minus 1 2 of the traverse length The position of Home will change to correspond with any changes in the traverse length FOLLOWER LINE FLOW Center Based Home Offset Home CP 31 Sensor NOTE Since the Home position calculations are dependent on the Traverse Length param eter CP 02 CP 14 CP 06 CP 08 and the Engineering Units parameter CP 15 those values must have already been entered prior to entering a value in CP 31 CP 32 RESUME ENABLE If you interrupt the operation F Stop the Resume Enable parameter allows you to keep track of error in both the Follower and Lead positions It also allows you to freeze the Lead position and keep track of error in the Follower position The M Traverse will adjust for the error when you resume operation Resume is disabled by entering 1 in CP 32 To keep track of error in both the Follower and Lead positions enter 2 in CP 32 T
40. should always be 0 Characters 13 14 DATA 01 F Stop 02 Not in Use 03 Run 04 Home Return 05 Home Seek 06 Home Set 07 Batch Reset 08 Setpoint Select 1 09 Setpoint Select 2 10 Setpoint Select 3 11 Setpoint Select 4 12 Not in Use 13 Not in Use 14 Not in Use 15 Not in Use Character 15 Data Format This character should always be 0 Character 16 ETX Always use the ASCII ETX character to terminate the character string 72 Table 3 41 Control Command Send M Traverse Response DESC Dev Dev Error Part Par Data Data Data Data Data Data Data Data Data STX 10s 1s Code 10s 1s 10mil 1mil 100th 10th 1th 100s 10s 1s Format ETX The following is a description of the Control Command Send M Traverse Response Characters Character 1 STX This is the first character in the character string Characters 2 3 Device Number This is the two character access address for the M Traverse Character 4 Error Code If there are errors in the transmission that the M Traverse receives from the host computer the Error Code will display them Use Table 3 42 to convert the ASCII code to binary Then the binary code can be decoded as follows Bit 7 Always 0 Bit 6 Always 1 Bit 5 Always 0 Bit 4 1 Control Mask Error Lockout during Run state Bit 3 1 Minimum Maximum Error out of range Bit 2 1 Data Error invalid data Bit 1 1
41. the Lead Frequency The commanded ratio is used during the constant pitch plateau segment of the profile MV 87 PROFILE RATIO The M Traverse displays the current commanded Follower to Lead ratio for the immediate operation during the in line profile execution MV 87 and MV 86 will be the same value during the constant pitch plateau segment of the profile MV 89 BATCH COUNT The M Traverse calculates and displays the number of completed batch counts profile completion SERIAL COMMUNICATIONS The M Traverse can interface with a host computer through RS422 Serial Communications Interface This interface allows the host computer to perform remote Control Parameter entry status or performance monitoring and remote control of the M Traverse Refer to Using Serial Communications in this section If you are using the M Host software your communications network is user ready and does not require any software programming If you are designing your own software refer to Communications Software Design in this section Once the software is installed you are ready to establish a link through the Serial Communications Interface USING SERIAL COMMUNICATIONS This section describes how to use the Serial Communications Before you can apply this section the M Traverse must be interfaced with a host computer through a RS422 Serial Communications Interface The host computer must have the M Host software or its equivalent installed The
42. the Tach key or the Tach MV 40 parameter CP 70 DEVICE ADDRESS The M Traverse has an access address which can be set from 1 to 32 Each individual M Traverse on a multidrop RS422 communications link needs a unique Device Address The address 00 will be globally accepted by all of the M Series Controls on the communications link however they will not send a response message back to the host computer when this global address is used CP 71 BAUD RATE There are six different baud rates data rates for the M Traverse Enter the number for the required rate as listed below 1 300 Baud 2 600 Baud 3 1200 Baud 4 2400 Baud 5 4800 Baud 6 9600 Baud CP 72 CHARACTER FORMAT The M Traverse uses three different character formats Enter the number for the required format as listed below 1 8 Data Bits No Parity One Stop Bit 2 7 Data Bits Even Parity One Stop Bit 3 8 Data Bits No Parity Two Stop Bits CP 73 CONTROL MASK The Serial Communications can control some of the discrete input functions Enter the number for the required functions as listed below 0 F Stop only 1 F Stop Run Home Return Home Seek Home Set 2 F Stop Batch Reset Setpoint Select 1 4 3 All of the Above MV 74 COMMUNICATIONS ERROR Serial Communications Error identifies errors in the last transmitted message that was sent to the M Traverse by the host computer The digit that displays a number 1 indicates the err
43. you activate Jog the RPM increase at the acceleration rate that you specified in the Accel Decel CP 60 parameter until the Jog Setpoint CP 61 is achieved Jog can only be entered from F Stop and when Jog is terminated the Follower mechanism returns to F Stop Jog is used when you need brief bursts of speed to align the Follower mechanism The factory default Jog Control Parameters are found in Table 3 22 To modify these default parameters refer to Table 3 23 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 24 Default Jog Control Parameters CP Parameter Name Parameter Value Accel Decel 5 0 Table 3 25 Entering Jog Control Parameters CP Parameter Name Parameter Value CP 61 Jog Setpoint Enter the RPM at which you want your system to operate when it is in Jog 60 Accel Decel Enter the number of seconds in which you want your system to accelerate from zero RPM to the Jog Setpoin speed NOTES 31 TUNING If your system is unstable or the position error is unacceptable tuning may stabilize your system or reduce the position error differences between the setpoint and feedback You can achieve a stable system using conservative values in the Tuning Control parameters however the position error may be unacceptable On the other hand aggressive values in the Tuning Control parameters may cause the system to become unstable The goal is to reduce the pos
44. 0 5 10 Support Technical See Technical Support T Tach 3 58 5 24 Tach Key p 3 3 Tach Key To Usethe p 3 4 Tach Velocity p 5 38 Technical Support ii 4 3 4 13 Test the Micro Controller p 4 4 Test Programmable Read Only Memory 4 5 Test Random Access Memory p 4 4 Test the Discrete Inputs p 4 8 Test the Discrete LED Indicator Display p 4 6 Test the Discrete Outputs p 4 9 Test the Keypad 4 7 Test the Serial Input p 4 10 Test the Speed Command Out p 4 9 Test Upper and Lower LED Display Panel Segments p 4 5 Traverse Length p 3 14 Traverse Length 1 3 15 5 14 5 36 Traverse Length 2 p 3 15 5 15 5 36 Traverse Length 3 3 15 5 15 5 36 Traverse Length 4 p 3 15 5 16 5 36 Trim Output p 3 56 5 25 5 38 Troubleshooting p 4 13 Tuning p 3 32 5 9 U Unipolar Bipolar 5 21 5 36 Upper LED Display 3 4 Using Serial Communications p 3 64 W Wait p 2 15 Warranty p 5 46 Watchdog Failure p 4 12 Web Scanning p 1 5 Wiring Examples p 5 40 Wiring Connections without Relays p 5 40 5 55
45. 09 See Appendix C CP 23 See Appendix C MV 51 See Appendix C CP 30 See Appendix C MV 89 See Appendix C CP 26 See Appendix C CP 27 See Appendix C CP 28 See Appendix C CP 71 Calibration matches the analog output of the M Traverse with the analog input of the motor drive See Appendix C CP 25 See Appendix C CP 72 A system that is controlled by manipulating the output based on error setpoint feedback A mathematical term for a control algorithm that resolves the control error feedback setpoint to zero Output Kp X Error K Error dt PI represents Proportional and Integral This is the key that is used prior to entering a Parameter Code either a Control Parameter or a Monitor Variable The Control Command Send allows the host computer to control the operating functions of the M Traverse that are associated with the Discrete inputs F Stop Run Home Control Mask Control Mode Control Parameters Control State Communications Error DAC Output Data Inquiry Dedicated Keys Device Address Digital Motor Controller Direct Analog Command Direct Mode Return Home Seek Home Set Batch Reset and Setpoint Select See Appendix C CP 73 See Appendix C CP 14 Control Parameters allow you to enter data that is unique to your system e g encoder resolution Lead to Follower ratios and modify the M Traverse for your specific needs e g maximum RPMs setpoints acceleration de
46. 10 parameter to define the Follower Profile The Follower Profile creates a smooth transition to dwell before reversing directions This takes place at the reel s end in level wind applications or at the edge of the web in web scanning applications Accel Decel Length CP 09 The Accel Decel Length CP 09 parameter allows the Follower mecha nism to ramp to either the constant pitch plateau or end dwell either gradually or rapidly This parameter is the number of encoder lines for the desired Accel Decel Length The lower the number the more rapidly the Follower mechanism ramps to the constant pitch plateau or end dwell The higher the number the more gradually the Follower mechanism ramps to the control pitch plateau or end dwell As a guideline keep in mind that you do not want the accel decel rate to exceed the load that the motor drive or mechanics can accommodate The Accel Decel Length parameter does not need to be an exact number the system will perform adequately with a close estimate The factory default for the Accel Decel Length Control Parameter is found in Table 3 10 To modify the default parameter refer to Table 3 11 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 10 Default Accel Decel Length Control Parameter Parameter Name Parameter Value Accel Decel Length 0 Table 3 11 Entering Accel Decel Length Control Parameter CP Parameter Name Parameter Value CP
47. 4 2 12 J3 pins 14 15 2 12 J3 pins 14 16 2 13 J3 pins 3 4 5 6 p 2 10 J3 pins 6 11 12 2 11 J3 pins 6 7 8 9 2 11 J4 pins 10 11 p 2 16 pins 1 2 p 2 13 J4 pins 12 13 2 17 pins 13 14 2 17 pins 15 16 2 18 J4 pins 16 17 p 2 18 pins 3 4 p 2 14 pins 4 5 p 2 14 J4 pins 6 7 2 15 J4 pins 7 8 2 15 pins 9 10 2 16 Jog p 2 18 3 30 3 52 Jog Forward Reverse p 2 18 Jog Setpoint 3 30 5 30 5 37 K Keypad Basic Entry 3 4 Keypad Error 3 60 5 25 5 38 Keypad Lockout p 2 16 Keypad Lockout Mask 5 32 5 37 Keypad Operation p 3 3 5 51 5 52 Keypad Test p 4 7 Keys Numeric 3 3 5 7 L Lay Adjusted Follower Mode p 1 5 Lead Frequency p 2 10 3 54 5 24 5 38 Lead Job Size 3 62 5 32 5 38 Lead Position 3 58 5 24 5 38 Lead PPR Reel 3 10 3 12 5 17 5 36 LED Display 5 7 Level Wind 1 4 Line Notch Counter 3 62 5 30 5 38 Lower LED Display 3 4 M Traverse Applications p 1 4 M Traverse Calibration 2 30 M Traverse Operation 3 43 Maximum RPM Follower 3 11 5 18 5 36 Mode of Operation 5 7 Monitor Variables 3 7 3 53 5 7 Motor Does Not Run p 4 13 Motor Does Not Stop p 4 13 Motor Drive Set p 2 29 Motor Runs at Wrong Speed p 4 13 Motor Runs Unstable p 4 13 Mounting p 2 7 MV 00 p 5 35 5 38 40 3 58 5 24 5 38 MV 41 3 54 5 24 5 38
48. 5 parameter is automatically displayed The traverse length is the distance that the Follower mechanism will travel In level wind applications the traverse length is generally the length of the reel In web scanning applications the traverse length is generally the width of the web The traverse length measurement corresponds to the setpoint measurement For example in a level wind application you may have a reel that measures one foot that is wrapped with two inch hose You would enter 2 inches in Setpoint 3 CP 05 and 12 inches in Traverse Length 3 CP 06 CP 07 SETPOINT 4 The Setpoint parameters are set up as pairs in conjunction with the Traverse Length parameters There are four pairs of Setpoint and Traverse Length parameters The Setpoint value is entered in Engineering Units E U s and automatically displays the decimal position that was entered in the Engineering Units CP 15 The Setpoint parameter determines how far the Follower travels based on the Lead The Follower travels the setpoint distance while the Lead travels the distance entered into CP 16 In the level wind application the Setpoint parameters are the laypitch center to center distance between windings on the reel In the web scanning application the Setpoint parameters are the traverse length These preset parameters can be set up as a Switch via the Setpoint Select switches which gives the operator the option of changing over the product up to four tim
49. 65 5 31 5 37 73 3 65 5 32 5 37 79 3 7 5 32 5 37 90 3 39 5 34 5 37 91 3 39 5 34 5 37 92 3 39 5 34 5 37 93 3 41 5 35 5 37 94 3 41 5 35 5 37 95 3 41 5 35 5 37 CPU Watchdog Failure 4 12 D DAC Output p 3 56 5 25 5 38 Data Inquiry 3 75 5 4 Data Inquiry Host Transmission p 3 75 Data Inquiry M Traverse Response 3 77 Dedicated Keys p 5 4 Device Address p 3 64 5 31 5 37 Diagnostic Testing p 4 3 Diagnostics 2 7 4 3 Diagnostics Automatic Test Routines 4 11 Digital Motor Controller p 5 4 Direct Analog Command p 3 29 5 30 5 37 Direct Mode 3 29 3 51 5 4 Discrete Inputs p 5 5 Discrete Inputs Group 3 54 5 27 5 38 Discrete Inputs Group p 3 55 5 27 5 38 Discrete Inputs Group C p 3 55 5 28 5 38 Discrete LED Display p 3 4 Discrete Outputs Group 3 56 5 28 5 38 Discrete Outputs Group p 3 57 5 29 5 38 Display Test 4 5 Drive Enable p 2 19 Dwell 3 18 5 16 5 36 E Edge Based Profile with Home Offset p 3 47 Edge Based Profile with No Home Offset p 3 46 Edge Based Profile with Reverse Rebound p 3 49 Edge Center Based 3 23 5 49 5 50 Edge Center Based Profile 3 19 5 19 5 36 Encoder Polarity Check 2 29 Engineering Units p 3 10 3 12 5 5 5 17 5 36 EPROM Chip p 5 5 EPROM Chip Replacement p 4 19 EPROM Test 4 5 F F
50. 65 5 32 5 38 Communications Software Design p 3 66 Configuration 2 3 Control Command Send p 3 71 5 3 Control Command Send Host Transmission p 3 71 Control Command Send M Traverse Response p 3 73 Control Mask 3 65 5 32 5 37 Control Mode 3 29 5 17 5 36 Control Parameter Reference List 5 36 5 37 Control Parameters p 3 7 3 53 5 4 Control State 3 61 5 26 5 38 01 3 14 5 14 5 36 02 3 15 5 14 5 36 03 3 14 5 14 5 36 04 3 15 5 15 5 36 05 3 14 5 15 5 36 06 3 15 5 15 5 36 07 3 14 5 15 5 36 08 3 15 5 16 5 36 09 3 17 5 16 5 36 10 3 18 5 16 5 36 14 3 29 5 17 5 36 15 3 12 5 17 5 36 16 3 12 5 17 5 36 17 3 12 5 18 5 36 18 3 12 5 18 5 36 19 3 12 5 18 5 36 23 3 36 5 18 5 36 24 3 23 5 19 5 36 25 3 23 5 19 5 36 26 3 35 5 20 5 36 27 3 35 5 21 28 3 35 5 21 5 36 29 2 30 5 21 5 36 30 3 23 3 37 5 21 5 36 31 3 23 5 22 5 36 32 3 26 5 23 5 36 35 5 23 5 36 36 5 23 5 36 37 5 24 5 36 60 3 30 5 30 5 36 61 3 30 5 30 5 37 5 48 CP 62 3 29 5 30 5 37 65 3 33 5 30 5 37 66 3 33 5 31 5 37 70 3 64 5 31 5 37 71 3 64 5 31 5 37 72 3
51. 8 Input POW feces iet etre tei e npe 2 10 Lead frequency 2 10 Feedback frequency 2 11 TOMES YING icc ee 2 11 Setpoint Select A 2 12 Setpoint Select B d 2 12 DS 2 13 Home S66k iere rot i HP etn FREIE 2 13 Home 2 Rinne 2 14 Batch redire aed pepe 2 14 te senec TEE ote Tees 2 15 IUE 2 15 Fe SLOP E M 2 16 Keypad Lockout reete ali 2 16 Forward ad un 2 17 Reverse Limit ie Ee e e d Peer eee ls 2 17 Jog Forward Reverse 2 18 JOG eL 2 18 Speed Command Out sse 2 19 Discrete Outputs ea 2 23 M Traverse Multidrop Installation 2 24 M Traverse Serial Communications Connections 2 25 Location of M Traverse Scale and Zero 2 28 M Traverse Front Panel 3 5 M Traverse Internal Structure 3 58 Motor Does Not Stop Flowchart 4 14 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure G 1 Figure G 2 Figure G 3 Figure G 4 Motor Does Not Run Flowchart 4 15 Motor Runs at Wrong Speed Flowchart 4 16 Motor Runs Unstable Flowchart
52. Appendix C CP 36 See Appendix C CP 65 Inputs that are wire shorted rather than using push buttons or switches See Appendix C CP 31 See Appendix C CP 35 Lead Frequency MV 41 Feedback Frequency MV 42 Discrete inputs Group A MV 53 Discrete Inputs Group B MV 54 Discrete Inputs Group C MV 55 Input Power J2 pins 1 2 3 Lead Frequency J3 pins 3 4 5 Feedback Frequency J3 pins 7 8 9 Home Sync J3 pins 11 12 Setpoint Select A J3 pins 13 14 Setpoint Select B J3 pins 14 15 Home Set J4 pins 14 16 Home Seek J4 pins 1 2 Home Return J4 pins 3 4 Batch Reset J4 pins 4 5 Run J4 pins 6 7 Wait J4 pins 7 8 F Stop J4 pins 9 10 Keypad Lockout J4 pins 10 11 Forward Limit J4 pins 12 13 Reverse Limit J4 pins 13 14 Jog Forward Reverse J4 pins 15 16 Jog J4 pins 16 17 See Appendix C CP 66 See Appendix C MV 58 Jog is used in conjunction with Home Set and Home Seek Jog Setpoint Keypad Error Lead Frequency Lead Job Size Lead Position Lead PPR Reel LED Display Line Notch Counter Max RPM Follower Mode of Operation Monitor Variables Numeric Keys to move the Follower mechanism to Home Jog can also be used when you need brief bursts of speed to align the Follower mechanism When you activate Jog the RPMs increase at the acceleration rate that you specified in Acceleration Deceleration CP 60 until the Jog Setpoint CP 61 is achieved When Jo
53. E MONITORING Performance Monitor Variables monitor the performance of the M Traverse and your system Figure 3 2 is a block diagram of the internal control structure of the M Traverse and the Performance Monitor Variables Dwell Foll Lines Accel Decel CP 10 Reel Length Setpoint CP 17 CP 09 CP 01 Traverse Lead PPR E U Length Reel CP 15 CP 02 CP 16 Feed Forward Calculation Lead Position Position Error MV 43 i MV 4 E s ho Prong oe Compensation DAC MAN Generator Routine Output MV 47 Follower Position Feedback MP 44 Frequency MV 42 RPM Calculation E U Calculation Tach Follower E U MV 40 MV 45 Figure 3 2 M Traverse Internal Structure MV 40 TACH FEEDBACK VELOCITY Tach is the feedback Follower displayed in RPMs The feedback is read by the M Traverse every 250 microseconds The readings are summed averaged and then displayed every 250 milliseconds MV 43 LEAD POSITION The Lead Position displays the distance of the Lead relative to the beginning of the profile This value is displayed in encoder lines MV 44 FOLLOWER POSITION The Follower Position displays the distance of the Follower relative to the Home position This value is displayed in encoder lines MV 45 FOLLOWER POSITION E U s The Follower Position E U s parameter converts the Follower Position CP 44 into Engineering Units MV 46 PRODUCT RATE T
54. Keys AIt Key Clear Key Discrete LED Indicator Display 2 o O O ea Figure 3 1 M Traverse Front Panel LED Parameter Value up to 6 digits Tach Key Status Key Decimal Key Enter Key Lower Display Parameter Code 2 digits Code Select Key CONTROL PARAMETERS Parameters are divided into two classifications Control Parameters CP and Monitor Variable MV The numbered code that represents the parameter is the Parameter Code The operational data is the parameter s value Control Parameter 14 Parameters Monitor Variable 40 200 Parameter Code Parameter Value This section is about Control Parameters Monitor Variables are explained in Operation Monitor Parameters The M Traverse comes factory pre loaded with a complete set of default Control Parameters values The majority of these default settings are suitable for most applications and do not require modification Control Parameters allow you to enter data that is unique to your system e g encoder resolution Lead to Follower ratios and modify the M Traverse for your specific needs e g maximum RPM setpoints acceleration deceleration ramp rates by entering a parameter value Control Parameters can be locked out so that they become inaccessible from the Keypad For details refer to References Appendix C CP 79 The M Traverse is designed to execute either
55. M Traverse User Manual 0001 0122 Revision F Technical Assistance If you have comments or questions concerning the operation of the M Traverse a member of our Technical Support Staff will be happy to assist you Ask for Technical Support 763 424 7800 or 800 342 4411 Contrex 8900 Zachary Lane North Maple Grove Minnesota 55369 Copyright 1996 Contrex MN DANGER Improper installation or improper operation of this motion control unit can cause severe injury death or damage your system Integrate this motion control unit into your system with caution Comply with the National Electrical Code and all applicable local and national codes Table of Contents Introduction 1 1 Introducing the M Traverse nennen ennemis 1 3 Examples of M Traverse Applications 1 4 Installation Setup 2 1 ConfiguatiO nsus soni cte 2 3 MOUNINO tco dote eei ette e es 2 7 HM MES 2 9 2 10 UIDUIS 2 19 Serial Communications ttn eene 2 24 eT 2 27 Motor Drive Set Up uui e tne ree bet ete orina ti lerra 2 29 Encoder Polarity Check sssssssssssseee eene 2 29 M Traverse Calibration 2 30 Operation3 1
56. MV 42 3 54 5 24 5 38 43 3 58 5 24 5 38 44 3 59 5 24 5 38 45 3 59 5 24 5 38 46 3 59 5 25 5 38 47 3 56 5 25 5 38 48 3 56 5 25 5 38 49 3 59 5 25 5 38 50 3 60 5 25 5 38 51 3 60 5 26 5 38 52 3 61 5 26 5 38 53 3 54 5 27 5 38 54 3 55 5 27 5 38 55 3 55 5 28 5 38 56 3 56 5 28 5 38 MV 57 3 57 5 29 5 38 58 3 61 5 29 5 38 59 3 62 5 30 5 38 MV 74 3 65 5 32 5 38 80 3 62 5 32 5 38 MV 81 3 62 5 33 5 38 84 3 62 5 33 5 38 86 3 62 5 33 5 38 87 3 62 5 33 5 38 89 3 62 5 33 5 38 99 5 35 5 38 Numeric Keys See Keys Numeric O Open Loop 5 8 Operating State p 5 8 Other Follower Parameters p 3 19 Output A 2 21 Output A Direction p 3 38 3 39 5 34 5 37 Output A Polarity p 3 38 3 39 5 34 5 37 Output A Segment p 3 38 3 39 5 34 5 37 Output 2 21 3 40 Output B Direction p 3 40 3 41 5 35 5 37 Output B Polarity p 3 40 3 41 5 35 5 37 Output B Segment p 3 40 3 41 5 35 5 37 Output Control p 3 34 Output Monitoring p 3 56 5 8 Output Test p 4 9 Outputs 2 19 5 8 P Parameter Code p 5 8 Parameter Code To Entera p 3 4 Parameter Send p 3 67 5 8 Parameter Send Host Transmission p 3 67 Parameter Send M Traverse Response p 3 69 Parameter Summary Refer
57. Parameters CP Parameter Name Parameter Value Home Sync Polarity Enter 1 for Rising Edge Enter 2 for Falling Edge Fwd Rev Limit Polarity Enter 1 for Rising Edge Enter 2 for Falling Edge How the Forward Limit functions is determined by the following Control Parameter Forward Limit Format CP 37 Use the Forward Limit Format CP 37 parameter to determine how the Forward Limit will function during Run If you set CP 37 to 1 then the M Traverse will engage F Stop when the Forward Limit is encoun tered during Run However if you want the M Traverse to terminate the Constant Pitch Plateau decelerate to zero speed process the Forward End Dwell and then begin the reverse profile back to Home when the Forward Limit is encountered then set CP 37 to 2 Table 3 20 Default Polarity Control Parameters Parameter Name Parameter Value Forward Limit Format Table 3 21 Entering Polarity Control Parameters CP Parameter Name Parameter Value Foward Limit Format Enter 1 to engage F Stop Enter 2 to terminate the Constant Pitch Plateau decelerate to zero process the dwell and begin the reverse profile DIRECT MODE The Direct mode is used to calibrate and troubleshoot the M Traverse In the Direct mode of operation you can set the level of the Speed Command Out directly from the M Traverse to the motor drive The Direct mode is an open loop mode of operation Therefore
58. Quick Reference 5 14 Appendix D Control Parameter Reference 5 36 Appendix E Monitor Variable 5 38 Appendix Fax Cover Sheet eese 5 39 Appendix Wiring Diagram Examples 5 40 Appendix Revision Log 5 44 SONICS poli Cy ti ee 5 45 lU Ec 5 46 a en 5 47 Figure 1 1 Figure 1 2 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Figure 2 14 Figure 2 15 Figure 2 16 Figure 2 17 Figure 2 18 Figure 2 19 Figure 2 20 Figure 2 21 Figure 2 22 Figure 2 23 Figure 2 24 Figure 2 25 Figure 2 26 Figure 2 27 Figure 2 28 Figure 3 1 Figure 3 2 Figure 4 1 List of Illustrations M Traverse Level Wind Application 1 4 M Traverse Web Scanning Application 1 5 Rear View of M Traverse 2 3 Power Board Isolator Jumper 2 4 Power Board SW1 Switch 2 5 M Traverse Mounting and Cutout Dimensions 2 6 M Traverse General Wiring Schematic 2
59. ameter CP or a Monitor Variable MV OR to enter a value for a Control Parameter Use the Enter key after each entry Use the Clear key to delete your entry A system that is controlled only by inputs without feedback The systems status such as Run F Stop or Jog within a mode of operation DAC Output MV 47 Trim Output MV 48 Discrete Outputs Group A MV 56 Discrete Outputs Group B MV 57 See Appendix C CP 91 See Appendix C CP 92 See Appendix C CP 90 See Appendix C CP 94 See Appendix C CP 95 See Appendix C CP 93 Speed Command Out J1 pins 8 9 10 11 Drive Enable J1 pin 13 Batch Done J1 pin 14 Alarm J1 pin 15 Profile Direction J1 pin 16 At Home J1 pin 17 Output A J1 pin 18 Output B J1 pin 19 Auxiliary DC Power J3 pin 1 2 Parameters are divided into two classifications Control Parameters CP and Monitor Variables MV The numbered code that represents a Parameter Use the Parameter Send to change any of the M Traverse s Control Parameters in Serial Communications Default parameter values are pre loaded in the factory Performance Monitoring Position Error PPR Follower Process Ratio Product Rate Profile Ratio Tach Traverse Length 1 2 3 4 Tuning Ring Kits Resume Enable RPM Feedback RPM Lead Run Scaling Serial Communications however you can modify Control Parameter values with operational data that is unique to your system
60. ation enter your reel length in E U s reference Setpoint 1 In a web scanning operation enter the width of your web in E U s reference Setpoint 1 CP 04 Traverse Length 2 In a level wind application enter your reel length in E U s reference Setpoint 2 In a web scanning operation enter the width of your web in E U s reference Setpoint 2 CP 06 Traverse Length 3 In a level wind application enter your reel length in E U s reference Setpoint 3 In a web scanning operation enter the width of your web in E U s reference Setpoint 3 CP 08 Traverse Length 4 In a level wind application enter your reel length in E U s reference Setpoint 4 In a web scanning operation enter the width of your web in E U s reference Setpoint 4 16 The following chart demonstrates how Setpoint and Traverse Length pairs are selected by the various positions of the Setpoint Select A and Setpoint Select B discrete inputs Setpoint Select A Closed Setpoint Select B Setpoint 1 CP 01 Setpoint 2 CP 03 Open Traverse Length 1 CP 02 Traverse Length 2 CP 04 Setpoint Select A Open Setpoint Select B Setpoint 3 CP 05 Setpoint 4 CP 07 Closed Traverse Length 3 CP 06 Traverse Length 4 CP 08 Closed shorted to common Follower Profile Parameters In addition to being part of a setpoint pair the traverse length acts in conjunction with the Accel Decel Length CP 09 parameter and the Dwell CP
61. balanced line transmissions This interface allows the host computer to perform remote computer parameter entry status or performance monitoring and remote control of the M Traverse See Operations Serial Communications for information on using Serial Communications Figures 2 26 and 2 27 illustrate a multidrop installation of the Serial Communications link and Serial Communications connections RS 232 to RS 422 Converter Figure 2 26 M Traverse Multidrop Installation RS232 to RS422 Converter RXD TXD COM M Traverse 1 1 Terminate shield only at one end of the cable 2 If you need to terminate the communication line then terminate it at the unit which is the furthest away from the converter A100 ohm 1 2 Watt resistor will usually terminate successfully Refer to EIA Standard RS 422 for more information Figure 2 27 M Traverse Serial Communications Connections CALIBRATION Calibration matches the analog output of the M Traverse with the analog input of the motor drive Calibration is accomplished in two steps The first step is to set up the motor drive The second step is to calibrate the M Traverse to the motor drive so that the speed is adjusted to the maximum operating speed The M Traverse must be properly installed prior to calibration Refer to nstallation Setup Mounting and Installation Setup Wiring MN DANGER Hazardous voltages Can cause severe injury death or damage to the equip
62. ccelerates the traversing mechanism Follower to the preset laypitch Setpoint The traversing mechanism feeds a web product such as a wire fiber optic cable or tape onto the rotating reel Lead at this laypitch then decelerates the traversing mechanism to the end of the Traverse Length At the Dwell the M Traverse assures that the web material is properly aligned on the reel before returning in the opposite direction Figure 1 1 illustrates a typical Level Wind application FOLLOWER LEAD DIRECTION OF WIND HOME SYNC CONTREX M Traverse LEAD FREQUENCY Figure 1 1 M Traverse Level Wind Application Web Scanning is another common M Traverse application The Web Scanning application frequently uses the Standard option in the Follower mode of operation however there are applications for which Web Scanning may use the Lay Adjusted option in the Follower mode of operation The M Traverse locates the start or Home position and accelerates the traversing mechanism Follower to the preset laypitch Setpoint The traversing mechanism applies a secondary product such as glue or reinforcing fiber onto the moving web Then the M Traverse decelerates the traversing mechanism to zero speed at the end of the Traverse Length At the Dwell which is usually set at zero the traversing mechanism reverses its direction and returns with a symmetric reverse profile Using zero or very low Accel Decel and
63. cel Length Control Parameters 3 17 Default Dwell Control Parameters 3 18 Entering Dwell Control Parameters 3 18 Default Control Parameters for Changes 3 23 Entering Control Parameters for Changes 3 23 Default Resume Enable Control Parameter 3 25 Entering Resume Enable Control Parameter 3 25 Default Polarity Control Parameters 3 27 Entering Polarity Control Parameters 3 27 Default Direct Mode Control Parameters 3 28 Entering Polarity Control Parameters 3 28 Default Direct Mode Control Parameters 3 29 Entering Direct Mode Control Parameters 3 29 Default Jog Control Parameters 3 30 Entering Jog Control Parameters 3 30 Default Tuning Control Parameters 3 32 Entering Tuning Control Parameters 3 33 Default Batch Control Parameters 3 35 Entering Batch Control Parameters 3 35 Default Alarm Control Parameter
64. celeration ramp rates There are Control Parameters for Direct mode the Follower mode Jog Tuning and Output Con trol The M Traverse comes factory pre loaded with a complete set of default Control Parameters See Appendix C MV 52 See Appendix C MV 74 See Appendix C MV 47 Use the Data Inquiry to request the current value for Parameters i e Control Parameters or Monitor Variables in serial communications The Setpoint Tach Batch Count and Status keys are shortcut keys that access the active Setpoint Tach Batch Count and Status variables directly rather than manually entering the Code Parameter See Appendix C CP 70 A precision motor controller that uses digital compensation technology See Appendix C CP 62 In the Direct mode of operation the analog output from the M Traverse that is connected to the motor drive can be set directly Direct mode is an open loop mode of operation Scaling Acceleration Deceleration and Closed Loop Compensation PI software are not involved in the Direct mode The Direct mode is used in conjunction with the Run and F Stop controls Discrete Inputs Discrete Inputs Group A Discrete Inputs Group B Discrete Inputs Group C Discrete Outputs Group A Discrete Outputs Group B Dwell Edge Center Based Profile Engineering Units E U EPROM Chip F Stop Feedback Frequency Follower Engineering Units Follower Job Size Follo
65. d do not need to be added externally At Home J1 pin 17 In order for this output to function Home must have already been determined using Home Set or Home Seek Once Home has been determined this output is relay activated driven low when the traverse Follower Position is within the At Home Band specified in CP 30 Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Hefer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse and do not need to be added externally Output A J1 pin 18 Output A can be set to activate at different segments of the forward and reverse profiles The parameter values set in CP 90 CP 91 and CP 92 determine the profile segment and direction of activation as well as the polarity high or low Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Hefer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse and do not need to be added externally Output B J1 pin 19 Output B can be set to activate at different segments of the forward and reverse profiles The parameter values set in CP 93 CP 94 and CP 95 determine the profile segment and direction of activation as well as the polarity
66. d from the profile length to adjust for the initial lay on the reel Enter 1 for the Follower Mode Standard Enter 2 for the Direct Mode Enter 3 for the Follower Mode Lay Adjusted CP 15 ENGINEERING UNITS In a level wind application CP 15 is your Engineering Unit E U measurement of a laypitch In a web scanning application CP 15 is your E U measurement for a traverse length If your application uses the M Traverse s setpoint flexibility to change over the operation and you have more than one measurement then pick one arbitrarily However be sure to reference that same measurement consistently throughout the scaling set up In setting up the scaling you are simply allowing the M Traverse to establish a conversion of encoder lines to the E U that you prefer to use Place the decimal in the location of your desired resolution to the tens hundreds or thousands place All of the other Control Parameters or Monitor Parameters that display in E U s will automatically display the correct decimal position CP 16 LEAD PPR REEL In a level wind application CP 16 is the number of Lead encoder lines that the Lead Frequency input registers as a result of one revolution of the reel In a web scanning application CP 16 is the number of Lead encoder lines that the Lead Frequency input registers when the Follower travels one traverse length When you calculate this variable be sure to consider all gear reductions belt reduc
67. direct control mode by entering the following on the keypad Press Code Select Enter 14 Press Enter Enter 2 Press Enter 10 11 Put the M Traverse into RUN by shorting the F STOP input J4 pins 9 and 10 and the RUN input J4 pins 6 and 7 Although the motor is now in RUN it will have zero speed until you adjust the Direct Analog Command CP 62 Gradually set the M Traverse s Direct Analog Command to 90 3686 by entering the following on the keypad Press Setpoint Enter 400 Press Enter Enter 800 Press Enter Continue to gradually increase these increments by 400 until you reach 3686 Since there are no acceleration deceleration ramps in Direct mode a sudden increase to 3686 could cause damage in some systems If the Follower is not moving in a forward direction then rewire the drive motor leads for forward operation Note Avalue of 3686 will change the direction of the motor Turn either the motor drive s max speed or the M Traverse s scale potentiometer clockwise until the drive motor s RPMs are at the maximum operating speed at which you want the system to operate Check the speed RPMs by pressing the Tach key Tach should display the RPM speed that you enter in CP 19 Put the Direct Analog Command back to 0 by entering the following on the keypad Press Setpoint Enter 0 Press Enter Disable the M Traverse s direct mode by ent
68. e The diagram below illustrates the segments of the Follower profile Follower Profile Constant Pitch Plateau Output B Direction CP 94 Use the Output B Direction CP 94 parameter to specify the direction in which Output B will operate Enter 1 in CP 94 to activate Output B during the forward direction Enter 2 in CP 94 to activate Output B during the reverse direction Enter 3 in CP 94 to activate Output B during the forward and reverse directions Output B Polarity CP 95 Use the Output B Polarity CP 95 parameter to specify the voltage polarity at which Output B will operate Enter 0 in CP 95 to activate Output B as Active Low Voltage Level Enter 1 in CP 95 to activate Output B as Active High Voltage Level The factory defaults for the Output B Control Parameters are found in Table 3 34 To modify the default parameters refer to Table 3 35 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 36 Default Control Parameters for Output B CP Parameter Name Parameter Value CP 93 Output B Segment 1 CP 94 Output B Direction 0 CP 95 Output B Polarity Table 3 37 Entering Output B Control Parameters CP Parameter Name Parameter Value CP 93 Output B Segment Enter 1 to activate Output B during the constant pitch plateau segment of the Follower profile Enter 2 to activate Output B during the constant pitch plateau and Accel Decel
69. e MV 80 Follower Job Size MV 81 Follower Profile Length MV 84 Process Ratio MV 86 Profile Ratio MV 87 Batch Count MV 89 See Appendix C MV 48 See Appendix C CP 29 APPENDIX A M TRAVERSE SPECIFICATIONS Job Space 536 000 000 Encoder Lines Maximum Accuracy 1 Encoder Line Resolution Response 1 millisecond control loop update Tuning Separately adjustable Gain and Integral parameters for stability and response Scaling Formats Direct Direct set of Speed Command Out analog Follower Ratio Setpoint calculation Setpoints Six Total 4 Engineering Units 1 Jog 1 Direct Frequency Inputs Feedback and Lead Quadrature Encoder Format Open Collector Driver Compatible NPN Internal 2 7 kOhm to 5 VDC on M Traverse 120 kHz maximum frequency Preset Select External switch selection of four preset engineering unit setpoints Discrete Inputs Vin MAX 24 0 VDC Vin LOW 0 7 Volts minimum Vin HIGH 4 3 Volts maximum Home Sync Setpoint Select A Setpoint Select B Home Set Home Seek Home Return Batch Reset Run Wait F Stop Keypad Lockout 12 Discrete Outputs Speed Command 5 VDC Supply Serial Interface Power Requirements Operating Temperature Humidity Physical Dimensions Weight Forward Limit Reverse Limit Jog Forward Reverse Jog Open Collector Driver 50 VDC max 200 mA continuous 800 mA continuous total Drive Enable Batch Done
70. e Accel Decel rate CP 60 to zero Then the M Traverse makes a forward triangulated move in the forward direction to the Home position The M Traverse uses Home Sync as the starting point and determines the Home position by subtracting is one half of the Traverse Length from Home Offset CP 31 Jog Speed CP 61 Reverse Home Offset Limit CP 31 Forward Limit 1 2Traverse Length Start Subtract one half Ws length from CP 31 Sync Sensor Example of an Edge Based Profile with Reverse Rebound Home Seek moves the Follower mechanism in the reverse direction Home Seek reaches the Reverse Limit without detecting the Home Sync sensor and immediately stops Home Seek moves the Follower mechanism in the forward direction toward the Forward Limit When Home Seek locates the Home Sync sensor it ramps down at the Accel Decel rate CP 60 to zero This causes the Follower mechanism to overshoot the Home Sync sensor The M Traverse compensates by reactivating Home Seek in the reverse direction then a forward triangulated Accel Decel move that aligns the Follower mechanism with the Home Sync senor This profile is used in both web scan and level wind applications Note If Home Seek does not detect the Home Sync sensor by the time it reaches the Forward Limit the M Traverse automatically shuts the system off F Stop Reverse Forward Limit Limit Jog Speed
71. e Band Control Parameters are found in Table 3 14 To modify the default parameters refer to Table 3 15 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Home Offset CP 31 The Home Offset parameter allows you to offset the Home position and relocate it somewhere other than the sensor If CP 24 is set at 1 edge based measure the distance from the sensor to the desired position of Home Enter that E U amount in CP 31 FOLLOWER LEAD Ex B DIRECTION OF WIND gt Sensor Edge Based Home Offset CP 31 Home If CP 24 is set at 2 center based measure the distance from the sensor to the center Enter that E U amount in CP 31 The M Traverse will make a transparent internal calculation and position Home at a distance that is CP 31 minus 1 2 of the traverse length The position of will change to correspond with any changes in the traverse length FOLLOWER LINE FLOW Center Based NOTE Since the Home position calculations are dependent on the Traverse Length CP 02 CP 04 CP 06 CP 08 parameter and the Engineer ing Units CP 15 parameter those values must have already been entered prior to entering a value in CP 31 To enter these parameters refer to the Operations Control Parameters section Table 3 14 Default Contro
72. e M Traverse s software EPROM MV 00 SOFTWARE PART NUMBER MV 00 displays the last four digits of the eight digit part number for tne M Traverse s software EPROM The first four digits are assumed to be 1000 APPENDIX D CONTROL PARAMETER REFERENCE USER DESCRIPTION MAX DEFAULT 8400150 Setpoint 1 000 000 999999 Traverse Length 1 000 000 999999 Setpoint 2 000 000 999999 Traverse Length 2 000 000 999999 Setpoint 3 000 000 999999 Traverse Length 3 000 000 999999 Setpoint 4 000 000 999999 Traverse Length 4 000 000 999999 Accel Decel Length 0 65535 Dwell 0 65535 Control Mode 1 3 Engineering Units 000 000 999999 Lead PPR Reel 999999 Foll Lines per EU 999999 PPR Follower 6000 Max RPM Follower 30000 High Speed Alarm 0 30000 Edge Ctr Based Profile 1 2 Change Activation 1 3 1 0 Lines EU PPR RPM RPM Coded Coded Coded Counts E U Coded Foll Lines E U Coded Coded Coded Coded Seconds Batch Format 2 Batch Limit 9999 Batch Preact Distance 000 000 999999 Unipolar Bipolar 1 2 At Home Band 1 60000 Home Offset 99999 999999 Resume Enable 1 Home Sync Polarity 1 Fwd Rev Limit Polarity 1 Forward Limit Format 1 Accel Decel gt continued APPENDIX D CONTINUED DESCRIPTION Jog Setpoint 0 Direct Analog Command 4095 Gain 0 Integral 0 Device Address 1 Baud Rate 1 Character Format 1 Control Mask 0 Keypad Lockout Mask 1 Output A Segment 1 Output A Direction 1 0 1 1
73. e any outside force such as gravity The Home Return is a momentary input that is edge triggered and is activated through the Home Return input J4 pin 3 4 Home Seek is internally latched and does not need to be maintained by an operator device DIRECT MODE The Direct mode is used to calibrate and troubleshoot the M Traverse In the Direct mode of operation you can set the Speed Command Out from the M Traverse that is connected to the motor drive directly The Direct mode is an open loop mode of operation Therefore Scaling Acceleration Deceleration and closed loop compensation software are not involved in the Direct mode The Direct mode is used in conjunction with the Run and F Stop controls The Run input J4 pins 6 7 activates the Direct mode when the Control Mode CP 14 parameter has been set to 2 enable Direct mode When the Direct mode has been activated the analog output level goes immediately to the DAC bits specified in the Direct Analog Command CP 62 The Direct Analog Command CP 62 parameter uses the full 12 bit resolution of the analog Speed Command Output A positive value indicates a forward direction and a negative value indicates a reverse direction The F Stop input will move the Speed Command Out to zero immediately The Drive Enable logic output is active during Run and deactivated during F Stop The Forward and Reverse Limits are also active If the Follower mechanism encounters a Forward or Rev
74. either a Control Parameter CP or a Monitor Variable MV or to enter a value for a Control Parameter Use the Clear key to delete your entry Use the Enter key after each entry to enter it in the M Traverse Alt Use the Alt key to enter a negative value In MVs 43 44 80 81 and 84 the Alt key toggles between four lower and four higher digits because some numbers exceed the six digit display panel limit Use the decimal key for values with a decimal point Clear The Clear key will delete the entry if you have not used the Enter key Tach The Tach key is a dedicated or shortcut key You can access the tach Parameters directly rather than manually entering the Parameter Code MV 40 Setpoint The Setpoint Key is a dedicated or shortcut key You can directly access the active setpoint in the Follower mode either CP 01 CP 03 CP 05 or CP 07 or the active setpoint in the Direct mode CP 62 Batch Count Key The Batch Count Key is a dedicated or shortcut key You can directly access the Batch Count parameter MV 89 Status Key The Status Key is a dedicated or shortcut key You can directly access the Alarm Status parameter MV 51 Lower LED Display The two digit Parameter Code is displayed on the Lower LED Display Upper LED Display The Parameter Code s value is displayed on the Upper LED display This value can be up to six digits Discrete LED Display There are five d
75. ence List p 5 14 Parameter Value p 5 8 Parameter Value To Entera p 3 4 Parameters p 5 8 Performance Monitoring p 3 58 5 9 Polarity Check Encoder p 2 29 Position Error p 3 59 5 25 5 38 5 53 5 54 Power Failure p 4 12 Power Voltage switch p 2 3 PPR Follower 2 30 3 11 3 12 5 18 5 36 Preset Parameters p 3 13 Process Ratio 3 62 5 33 5 38 Product Rate p 3 59 5 25 5 38 Profile Direction p 2 20 Profile Ratio 3 62 5 33 5 38 PROM Test p 4 11 Q Quadrature Position p 2 3 R RAM Test p 4 4 4 11 Relay Run Stop Wiring Connections p 5 41 Resume Enable 3 24 3 26 5 23 5 36 Reverse Limit p 2 17 Revision Log p 5 44 Ring Kits p 5 9 RPM Feedback p 5 9 RPM Lead 5 9 Run p 2 15 5 9 Run Stop for Non Regen with Armature Contactor p 5 43 Run Stop for Regen with Armature Contactor p 5 42 S Scaling p 5 9 Serial Communications p 3 63 5 9 Serial Input Test p 4 10 Service Policy p 5 45 Setpoint p 3 3 Setpoint 1 3 14 5 14 5 36 Setpoint 2 3 14 5 14 5 36 Setpoint 3 3 14 5 15 5 36 Setpoint 4 3 14 5 15 5 36 Setpoint Key See Keys Setpoint Setpoint Key To Usethe 3 4 Setpoint Select A 2 12 Setpoint Select B p 2 12 Setpoints p 3 13 Software Code Revision 5 35 5 38 Software Part Number p 5 35 5 38 Standard Application Follower mode 1 4 Status Key 3 4 Status Key To Use the 3 4 Status Monitoring p 3 6
76. er 1 in CP 26 for Follower traverses Enter 2 in CP 26 for Lead reel revolutions P 27 Batch Limit Enter the total number of Follower traverses or Lead reel revolutions that you want counted CP 28 Batch PreAct Dist Enter a specific preact distance at which to activate the Batch Done only if CP 26 is set at 1 36 The Alarm Output allows you to set a high speed RPM indication High Speed Alarm CP 23 Use the High Speed Alarm CP 23 parameter to determine the RPM level that will activate the High Speed Alarm Output When the Follower s motor RPM are at or above the value in CP 23 the High Speed Alarm Output will activate The factory default for the Default Alarm Control Parameter is found in Table 3 28 To modify the default parameter refer to Table 3 29 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 30 Default Alarm Control Parameter CP Parameter Name Parameter Value High Speed Alarm 2000 Table 3 31 Entering Alarm Control Parameter CP Parameter Name Parameter Value CP 23 High Speed Alarm Enter the RPM limit that will activate the High Speed Alarm Output The At Home Output activates in response to the At Home Band parameter At Home Band CP 30 When the Follower is within the At Home Band the At Home Output will be activated The At Home Band CP 30 parameter allows for a certain amount of range in the Home position mea
77. ering the following on the keypad Press Code Select Enter 14 Press Enter Enter 1 Press Enter Put the M Traverse in F Stop by opening the F Stop input J4 pins 9 and 10 Refer to nstallation Setup Wiring F Stop 32 NOTES Operation Keypad Operation Control Parameters CP Follower Mode Direct Mode Jog Tuning Output Conirol M Traverse Operation Follower Mode Home Set Home Seek Home Return Direct Mode Jog Monitor Variables MV Input Monitoring Output Monitoring Performance Monitoring Status Monitoring Serial Communications Using Serial Communications Communications Software Design KEYPAD OPERATION The front panel of the M Traverse is an easy to use keypad that gives you direct access to the Parameters Control Parameters and Monitor Variables by entering the Parameter Code You can also use the keypad to change the value of a Control Parameter The keypad has keys for Code Select Enter and Clear It also has numeric keys and four dedicated keys Setpoint Tach Status and Batch Count The LED display is the above the keys Refer to figure 3 1 for the location of the keys and LED display on the keypad Table 3 1 demonstrates basic keypad entry The keypad functions as follows Code Select Use the Code Select key prior to entering a Parameter Code for either a Control Parameter CP or Monitor Variable MV Numeric Use the numeric keys to enter a Parameter Code for
78. erse Limit it will immediately stop F Stop and go to zero speed with no deceleration The Follower mechanism can be moved away from either limit by any control mode that move the Follower mechanism in the opposite direction from the limit All of the setpoint Run and F Stop changes will occur without the Accel Decel ramps Caution To avoid damage to your system the M Traverse must be calibrated and the motor drive set up before you enter the Direct mode Refer to nstallation Setup Calibration JOG Jog is used in conjunction with Home Set to move the Follower mechanism to Home Jog can also be used when you need brief bursts of speed to align the Follower mechanism When you activate Jog the RPMs increase at the acceleration rate that you specified in Acceleration Deceleration CP 60 until the Jog Setpoint CP 61 is achieved When Jog is terminated the RPMs return to zero immediately with no deceleration The Jog direction is determined by the Jog Forward Reverse Input J4 pins 15 16 which controls the direction of the Speed Command Output The Drive Enable logic output is active during the Jog mode Jog J4 pins 16 17 is a maintained input When the Jog input is closed the M Traverse sends a Speed Command Out signal to the drive at the selected jog speed As a maintained input Jog is only active when the operator device is closed MONITOR VARIABLES Parameters are divided into two classifications Control Parame
79. erse Response Characters Character 1 STX This is the first character in the character string Characters 2 3 Device Number This is the two character access address for the M Traverse Character 4 Error Code If there are errors in the transmission that the M Traverse receives from the host computer the Error Code will display them Use Table 3 42 to convert the ASCII code to binary Then the binary code can be decoded as follows Bit 7 Always 0 Bit 6 Always 1 Bit 5 Always 0 Bit 4 1 Control Mask Error Lockout during Run state Bit 3 1 Minimum Maximum Error out of range Bit 2 1 Data Error invalid data Bit 1 1 Parameter Error invalid parameter or message type Bit 0 1 Transmit Error parity framing overrun no STX or no ETX Note The M Traverse will only accept data if there are no errors The ASCII error code Binary code 1000000 indicates that the Host Transmission con tains no errors Also see MV 74 for the ASCII Error Code for the last Response Message Characters 5 6 Parameter Number The Control Parameter Code is sent back to the host computer from the M Traverse Characters 7 through 14 DATA The Control Parameter Data is sent back to the host computer from the M Traverse Character 15 Data Format The Data Format is sent back to the host computer from the M Traverse Character 16 ETX The return message is always terminated w
80. es CP 08 TRAVERSE LENGTH 4 The Traverse Length CP 08 parameters are set up as pairs in conjunction with the Setpoint parameters There are four pairs of Setpoint and Traverse Length parameters The Traverse Length value is entered in Engineering Units E U s and the decimal position that was entered in the Engineering Units CP 15 parameter is automatically displayed The traverse length is the distance that the Follower mechanism will travel In level wind applications the traverse length is generally the length of the reel In web scanning applications the traverse length is generally the width of the web The traverse length measurement corresponds to the setpoint measurement For example in a level wind application you may have a reel that measures one foot that is wrapped with two inch hose You would enter 2 inches in Setpoint 4 CP 07 and 12 inches in Traverse Length 4 CP 08 09 ACCEL DECEL LENGTH The Accel Decel Length CP 09 parameter allows the Follower mechanism to ramp to either the constant pitch plateau or end dwell either gradually or rapidly In level wind applications this parameter is a portion of the encoder lines in one rotation of the reel Lead In web scanning applications this parameter is a portion of the encoder lines in one traverse length The lower the number the more rapidly the Follower mechanism ramps to the constant pitch plateau or end dwell The higher the number the more gradually t
81. es profile definition that uses engineering unit parameters dynamic profile redefinition during a run automatic profile generation batch counting unipolar bipolar drive compatibility and dynamic system monitoring There are seven discrete outputs for external control integration which includes two user specified profile position outputs Although the M Traverse has many advanced control capabilities it is easy to use The integrated keypad and display make access to the control and monitor parameters both direct and simple A Keypad Lockout function allows you to restrict access to the control parameters after you have completed the setup process The M Traverse features dedicated short cut keys for quick access to the Setpoint Batch Count Tach and Status parameters In addition to the integrated user keypad and display the M Traverse has a RS 422 serial communications port through which you can gain computer access to all of the control and monitor parameters Integrating the M Traverse s applied intelligence with your system puts precise control and perfect synchronization at your fingertips quickly easily and cost effectively 1 3 EXAMPLES OF M TRAVERSE APPLICATIONS The Level Wind is one of the M Traverse s principle applications The Level Wind application uses the Lay Adjusted option in the Follower mode of operation In a Level Wind application the M Traverse locates the start or position and a
82. f service requests either written or by phone such requests should be directed to the Contrex Inc Technical Services Department Service Charges Contrex Inc reserves the right to charge for all services performed at the customers request with the exception of factory service performed under warranty All on site service is charged at flat rate per diem rates plus expenses Any Contrex Inc product developing defects as defined in the warranty during its effective period will be repaired or replaced without charge providing it is shipped prepaid to Contrex Inc 8900 Zachary Lane North Maple Grove Minnesota 55369 Spare Parts Contrex Inc will usually have an adequate inventory of spare parts and circuit boards for all standard products However purchasers are encouraged to maintain a nominal supply of spare parts to insure immediate on site accessibility Instruction Manuals Instructions for installation maintenance and troubleshooting are included in manuals that are provided with the equipment Repairs may be performed in the field by competent customer personnel but in order to not invalidate the warranty they must be made in strict accordance with published instructions and ONLY AFTER obtaining approval of the Technical Service Department such repairs are usually limited to the replacement of circuit boards and major subassemblies not the repair of these items OEM Service In many instances Contre
83. g is terminated the RPMs return to zero immediately The Jog direction is deter mined by the Jog Forward Reverse Input J4 pins 15 16 which controls the direction of the Speed Command Output The Drive Enable discrete output is active during the Jog mode See Appendix C CP 61 See Appendix C MV 50 See Appendix C MV 41 See Appendix C MV 80 See Appendix C MV 43 See Appendix C CP 16 The two digit Parameter Code is displayed in the lower LED Display The Parameter Code s value is displayed in the upper LED display This value can be up to six digits See Appendix C MV 59 See Appendix C CP 19 The method used to operate your system for example Direct mode or Follower mode Monitor Variables MVs monitor the performance of the M Traverse and the system which the M Traverse is controlling Monitor Variables also confirm the wiring the tuning and assist with troubleshooting MVs can be accessed at any time during the M Traverse s operation including during Run Jog and F Stop There are four categories of Monitor Variables Input Monitoring Output Monitoring Performance Monitoring and Status Monitor ing Use the numeric keys to enter a Parameter Code for either Open Loop Operating State Output Monitoring Output A Direction Output A Polarity Output A Segment Output B Direction Output B Polarity Output B Segment Outputs Parameters Parameter Code Parameter Send Parameter Value a Control Par
84. hanges will occur If CP 24 is set to 2 center based then CP 25 has no effect Change Activation CP 25 can be set to 1 2 or 3 Settings 2 and 3 have a number of variables If CP 25 is set to 1 then all of the changes will occur when the Fol lower is at Home If CP 25 is set to 2 and either the Accel Decel Length or Dwell param eters are changed the changes will only occur at Home If CP 25 is set to 2 and the setpoint speed is changed either faster or slower the change will occur immediately but only if the change occurs within the new constant pitch plateau of the profile Otherwise setpoint speed changes occur at Home If CP 25 is set to 2 and the traverse length is changed the change will occur immediately but only if the longer change occurs within the old constant pitch plateau and a shorter change occurs within the new constant pitch plateau of the profile and either change is in a forward direction Otherwise traverse length changes occur at If CP 25 is set to 2 and both the traverse length and the setpoint speed are changed then use the switches to make the changes and stay within the profile parameters listed above for setpoint speed and traverse length changes When any of the changes are not within the specified plateaus of the profile then the changes will occur when the Follower mechanism reaches Home Refer to the diagrams below Trave
85. he Feedback Frequency input registers when the Follower travels one traverse length Include calculations for all gear reductions belt CP 17 Follower Lines E U In a level wind application enter the number of Follower encoder lines that the Feedback Frequency input registers as a result of one Follower laypitch reference CP 15 In a web scanning application enter the number of reductions and other types of reducers feedback encoder encoder resolution in lines CP 19 Max RPM Follower Enter the RPM of the feedback encoder shaft when the Follower is operating at maximum speed Include calculations for all gear reductions belt reductions and CP 18 PPR Follower fdbk Enter the number of pulses per revolution of the other types of reducers Preset Parameters Setpoints CP 01 CP 03 CP 05 CP 07 The Setpoint parameters are set up as pairs in conjunction with the Traverse Length parameters There are four pairs of Setpoint and Traverse Length parameters The Setpoint value is entered in Engi neering Units E U s and automatically displays the decimal position that was entered in the Engineering Units CP 15 The Setpoint parameter determines how far the Follower travels based on the Lead The Follower travels the setpoint distance while the Lead travels the distance entered into CP 17 In the level wind application the Setpoint parameters are the laypitch center to center distance between wind ings on the reel
86. he Follower mechanism ramps to the constant pitch plateau or end dwell As a guideline keep in mind that you do not want the accel decel rate to exceed the load that the motor drive or mechanics can accommodate The Accel Decel Length Parameter does not need to be an exact number the system will perform adequately with a close estimate CP 10 DWELL The Dwell CP 10 parameter allows the Follower mechanism to pause at the end of the Follower profile before ramping back in the opposite direction In level wind applications this parameter is a portion of the encoder lines in one rotation of the reel Lead In web scanning applications this parameter is a portion of the encoder lines in one traverse length The Dwell Parameter does not need to be an exact number the system will perform adequately with a close estimate CP 14 CONTROL MODE The Control Mode CP 14 parameter allows you to choose between either the Standard or the Lay Adjusted options in the Follower mode of operation You can also use Control Mode CP 14 to choose the Direct mode of operation The Direct mode is used for calibration and troubleshooting The Follower mode of operation is used to operate your system in either the Standard option or the Lay Adjusted option The calculation of the Follower profile length is the only difference between the Standard and the Lay Adjusted options In the Level Wind application that uses the Lay Adjusted option one lay pitch is subtracte
87. he M Traverse calculates the cycle time for the last completed profile in each direction and uses this to determine the Product Rate in profiles layers per minute MV 49 POSITION ERROR The Position Error displays the difference between the current Follower position and the commanded Follower position It displays in Follower encoder lines A positive value indicates that the Follower is behind the commanded position lagging and a negative value indicates that the Follower is ahead of the commanded position leading 59 60 STATUS MONITORING These MVs monitor the status of the M Traverse s modes of operation and operating states MV 50 KEYPAD ERROR If a Control Parameter entry has been rejected Keypad Errors will display the reason that it was rejected The digit that displays a number 1 is the error In the example below Value Exceeds Maximum Limit is the error Invalid Code Parameter Value Exceeds Maximum Limit Value Below Minimum Limit Keypad Lockout Enabled Lockout During Run State or Entry Timeout Not Used MV 51 ALARM STATUS The digit that displays a number 1 is the active Alarm In the example below High Speed Alarm is the active alarm Home Not Defined High Speed Alarm Forward or Reverse Limit Alarm Not Used Not At Home Not Used MV 52 CONTROL STATE The digit that displays a number 1 is the active control state of the M Traverse In the example below Run
88. he Micro Controller Register File Test 1 HELP and the number 1 are visible in the upper LED display If the panel covering the lower LEDs is closed open it now Press Enter to start the test If Micro Controller Register File is good then PP is visible in the lower LED display If Micro Controller Register File fails an EE is visible in the lower LED display The test stops immediately if a failure is detected Press Clear to remove the PP and continue to the next test Press Code Select only if you want to exit diagnostics RAM Test 2 To Test Random Access Memory To enter this test press the Status key to increment or the Tach key to decrement until the number 2 is visible on the right side of the upper LED display Press Enter to start the test If RAM is good then is visible in the lower LED display If RAM fails an EE is visible in the lower LED display The test stops immediately if a failure is detected Press Clear to remove the PP and continue to the next test Press Code Select only if you want to exit diagnostics EPROM Test 3 To Test Programmable Read Only Memory To enter this test press the Status key to increment or the Tach key to decrement until the number 3 is visible on the right side of the upper LED display Press Enter to start the test If EPROM is good then PP is visible in the lower LED disp
89. he display variations The M Traverse automatically exits the test go to the next test Press Code Select only if you want to exit diagnostics Annunciator Test 5 To Test the Discrete LED Indicator Display To enter this test press the Status key to increment or the Tach key to decrement until the number 5 is visible on the right side of the upper LED display Press Enter to start the test If they are functioning properly the discrete LED indicator displays will illuminate in this order Code Select Status Tach Setpoint Batch Count Run Control Enable Lead Sync At Home Alarm The M Traverse automatically exits the test go to the next test Press Code Select only if you want to exit diagnostics Keypad Test 46 To Test the Keypad To enter this test press the Status key to increment or the Tach key to decrement until the number 6 is visible on the right side of the upper LED display Press Enter to start the test The lower LED display remains blank until you press the keypad keys Press each of the keypad keys and verify against the follow ing list Press Display Jooc01P onm o 10 11 BATCH COUNT 12 STATUS 13 ENTER 14 CODE SELECT 15 CLEAR No display If Clear is functioning pressing Clear will take you out of the Keypad test and you may go to the next test If Clear is not functioning
90. ial factor For the timing on edge based traverse length changes refer to the Change Activation CP 25 parameter Edge Based Home 1 l 42 Traverse Length 0 Traverse Length I5 Traverse Length ld set Home as center based profile enter 2 in CP 24 All traverse length changes occur from the center and the Home position changes to compensate for traverse length changes The diagram below illustrates this profile Traverse length changes will occur automatically when the Follower mechanism is in the center of the web Center Based 12 Traverse Length Home hoy 10 Traverse Length Home 5 Traverse Length Home CP 25 CHANGE ACTIVATION The Change Activation CP 25 parameter works in conjunction with the Edge Center Based Profile CP 24 parameter When CP 24 is set to 1 edge based then CP 25 determines when changes will occur If CP 24 is set to 2 center based then CP 25 has no effect Change Activation CP 25 can be set to 1 2 or 3 Settings 2 and 3 have a number of variables If CP 25 is set to 1 then all of the changes will occur when the Follower is at Home If CP 25 is set to 2 and either the Accel Decel Length or Dwell parameters are changed the changes will only occur at If CP 25 is set to 2 and the setpoint speed is changed either faster or slower the change will occ
91. ile execution MV 87 and MV 86 will be the same value during the constant pitch plateau segment of the profile MV 89 BATCH COUNT The M Traverse calculates and displays the number of completed batch counts profile completion CP 90 OUTPUT A SEGMENT Use the Output A Segment CP 90 parameter to determine what segment of the Follower profile will activate Output A Enter 1 in CP 90 to activate Output A during the constant pitch plateau segment of the Follower profile Enter 2 in CP 90 to activate Output A during the constant pitch plateau and Accel Decel segments of the Follower profile Enter 3 in CP 90 to activate Output A during the dwell segment of the Follower profile The diagram below illustrates the segments of the Follower profile Follower Profile gt 8 Constant amp 29 Pitch 2g Plateau lt Dwell p lt 3 2 gt CP 91 OUTPUT A DIRECTION Use the Output A Direction CP 91 parameter to specify the direction in which Output A will operate Enter 1 in CP 91 to activate Output A during the forward direction Enter 2 in CP 91 to activate Output A during the reverse direction Enter 3 in CP 91 to activate Output A during the forward and reverse directions CP 92 OUTPUT A POLARITY Use the Output A Polarity CP 92 parameter to specify the voltage polarity at which Output A will operate Enter 0 in CP 92 to activate Output A as Active Low V
92. imum Limit Value Below Minimum Limit Keypad Lockout Enabled Lockout During Run State or Entry Timeout Not Used MV 51 ALARM STATUS The digit that displays a number 1 is the active Alarm In the example below High Speed Alarm is the active alarm Home Not Defined High Speed Alarm Forward or Reverse Limit Alarm Not Used Not At Home Not Used MV 52 CONTROL STATE The digit that displays a number 1 is the active control state of the M Traverse In the example below Run is the active control state Jog Run Follower Direct Home Return Home Seek F Stop Wait is Active MV 53 DISCRETE INPUTS GROUP A The Discrete Inputs Group A displays the status of the Jog Jog Forward Reverse Run Wait F Stop and Keypad Lockout discrete inputs The number 1 indicates an open or logic high level The number 0 indicates a closed or logic low level shorted to common In the example below Jog Forward Reverse is the open or logic high level Jog Jog Forward Reverse Run Wait F Stop Keypad Lockout MV 54 DISCRETE INPUTS GROUP B The Discrete Inputs Group B displays the status of the Forward Limit Reverse limit Home Sync Setpoint Select A and Setpoint Select B discrete inputs The number 1 indicates an open or logic high level The number 0 indicates a closed or logic low level shorted to common In the example below Reverse Limit is the open or logic high level
93. in 9 to common Enter Correct Jog Setpoint Problem Enter Correct Setpoint Support MV 47 is Zero NO Check Drive Wiring Problem Corrected Consult Tech Support Figure 4 2 Motor Does Not Run Flowchart Motor Runs at Wrong Speed NO CP 14 CP 14 1 fg Direct NO Yes Yes NO NO Setpoint CP 61 is correct is correct Yes Enter Correct Setpoint Yes NO Repeat MP 48 is Calibration Negative Procedure Decrease Increase Max Speed Max Speed Problem NO Consult Tech Corrected Support Figure 4 3 Motor Runs at Wrong Speed Flowchart Motor Runs Unstable Change CP 14 to 2 and Run in Direct Mode NO Motor Still Unstable Yes Check Drive Calibration Problem Corrected NO Consult Tech Support Figure 4 4 Motor Runs Unstable Flowchart 18 Eprom Location Figure 4 5 EPROM Location EPROM CHIP REPLACEMENT The EPROM Erasable Programmable Read Only Memory chip is the software for the M Traverse See Figure 4 5 for the EPROM s location on the CPU Board To replace the EPROM chip Make record of your current Control Parameter values the replacement chip contains default values that will replace your current values when you perform the Clear 7 step Turn off the power to the M Traverse Ground yourself Static electricity can damage the CPU board and
94. in the Home Seek and Home Return modes CP 62 DIRECT ANALOG COMMAND The Direct Analog Command CP 62 parameter uses the full 12 bit resolution of the analog Speed Command Output A value of 4095 is a 100 forward output command A value of 2048 is a 50 forward output command 0 is a zero output command A negative value indicates a reverse output command e g 4095 is a 100 reverse command CP 65 GAIN With Integral CP 66 set to O increase the Gain CP 65 parameter value until the system becomes unstable then decrease it slightly until the system stabilizes Larger values will increase Gain To verify the stability of the speed changes you can access Tach through either the Tach key or the Tach MV 40 parameter CP 66 INTEGRAL In systems that require greater accuracy it may be necessary to adjust the Integral CP 66 parameter value to reduce any remaining position error In systems with low inertia the position error will be reduced more quickly if you enter higher values in CP 66 An entry that is too high however can create instability or overshoot the setpoint before reaching the correct value Generally use lower entries for CP 66 on systems with a large inertia While switching between the high and low setpoints increase the Integral s default value of 1 until the position error is reduced within an acceptable time frame To verify the stability of the speed changes you can access Tach through either
95. ing 1 in CP 32 To keep track of error in both the Follower and Lead positions enter 2 in CP 32 To freeze the Lead position and keep track of error in the Follower position enter 3 in CP 32 Both the Follower and the Lead information is saved at power down If there has been no change in the mechanical position at power down then the profile can be resumed at power up If the mechanical position has changed and you resume operation the Follower could make an abrupt shift to resolve the position error This can severely injure you or damage the equipment The specific conse quences of this abrupt shift can vary depending on your use of the equipment and your system s design Install safety equipment that is appropriate for your application The factory default for the Resume Enable Control Parameter is found in Table 3 16 To modify the default parameter refer to Table 3 17 If you are uncertain how to enter a Control Parameter review the Operations Keypad section DANGER When you resume operation the Follower could make an abrupt shift This can cause severe injury or damage equipment Install safety equipment that is appropriate for your application Table 3 16 Default Resume Enable Control Parameter CP Parameter Name Parameter Value Table 3 17 Entering Resume Enable Control Parameters Parameter Name Resume Enable Parameter Value Enter 1 disable resume Enter 2 to enable Lead amp
96. is operating properly as well as to identify any M Traverse problems The diagnostic routines are run independently with the M Traverse temporarily disconnected from your system Begin diagnostics with the Clear 4 test then run tests 1 10 Use the Status key to increment through the tests and the Tach key to decrement through the tests If you need to verify the integrity of the M Traverse relative to your system refer to the Troubleshooting Troubleshooting section If any of theses tests fail or if the information in this section does not solve your problem consult Contrex Technical Support 763 424 7800 or 800 342 4411 Clear 4 Test To Begin Diagnostic Testing To begin diagnostic testing turn the M Traverse off and disconnect it from your system Turn the power on the M Traverse while simultaneously pressing Clear and 4 on the keypad The M Traverse defaults to Micro Controller Register File Test 1 The HELP diagnostic indicator is visible on the left side of the upper LED display and the number 1 indicating the test number is visible on the right side of the upper LED display If you do not see HELP and the number 1 you are not in diagnostics The example below shows the HELP diagnostic indicator and test number 1 on the LED display Help Diagnostic Indicator Test Number Micro Controller Register File Test 1 To Test the Micro Controller Clear 4 automatically defaults to t
97. iscrete LED display lights When a specific light is on it indicates the following condition The M Traverse is in Follower mode and is executing a profile Wall The Wait input J4 pin 8 is active Drive Enable The Drive Enable output J1 pin 13 is active At Home The Follower position is within the At Home band of the Home position Alarms There is an active alarm condition Table 3 1 Basic Keypad Entry To Enter a Parameter Code Press Code Select Enter a Parameter Code For a Control Parameter or Monitor Variable Press Enter within 15 seconds The Parameter Code and its current value are displayed on the LED displays To Enter a Parameter Value Follow the steps to enter a Parameter Code For Control Parameters only Monitor Enter a new value Use the numeric keys Variables can not be changed Press Enter within 15 seconds manually To Use the Tach Key Press Tach The scaled Tach Velocity is displayed MV 40 To Use the Status Key Press Status The code for the alarm status is displayed MV 51 To Use the Setpoint Key Press Setpoint The value of the active setpoint is displayed in engineering units CP 01 CP 03 CP 05 CP 07 or CP 62 To Use the Batch Count Key Press Batch Count The number of complete batch counts is displayed MV 89 Upper LED Display Setpoint Key OP te Batch Count Key Numeric
98. ith the ASCII ETX character Control Command Send The Control Command Send allows the host computer to control the operating functions of the M Traverse that are associated with the Logic inputs F Stop Run Home Return Home Seek Home Set Batch Reset and Setpoint Select Table 3 40 Control Command Send Host Transmission DESC Dev Dev MSG Par Par Data Data Data Data Data Data Data Data Data STX 10s 1s 10 15 10mil 1mil 100th 10th 1th 100s 10s 1s Format ETX The following is a description of the Control Command Send Host Transmission Character 1 STX This is the first character in the character string None of the other characters will be recognized without this character prefix Always use the ASCII STX character to enable the M Traverse s receive buffer Characters 2 3 Device Number These characters are the access address of the M Traverse This number identifies individual M Traverses on a multidrop system The M Traverse will accept data only if this number matches the M Traverse s address CP 70 with the exception of a 00 address The 00 address is universally accepted by all M Traverses that are on the RS422 Serial Communications Interface Character 4 Message Type This character should always be 1 Characters 5 6 Parameter Number These characters should always be 0 Characters 7 through 12 DATA These characters
99. ition the Batch Reset input resets the batch count to zero Batch Reset Figure 2 15 Batch Reset Run J4 pins 6 7 When the Run input is momentarily closed the M Traverse enters Run As a momentary input Run is internally latched and does not need to be maintained by an operator device NOTE Close the F Stop input prior to entering Run Wait J4 pins 7 8 When the M Traverse is in Run it checks the Wait input before it proceeds with the next profile move in either the forward or reverse direction If the Wait input is closed it will pause at the end of the profile until the wait input opens Figure 2 16 Run Figure 2 17 Wait F Stop J4 pins 9 10 F Stop is a momentary input When it is opened the Follower stops immediately zero RPM and ignores the specified deceleration rate As a momentary input F STOP is internally latched and does not need to be maintained by an operator device Keypad Lockout J4 pins 10 11 When the Keypad Lockout is closed it selectively disables the front keypad so that setpoint and other control parameters can not be changed All of the monitoring functions remain enabled Figure 2 18 F Stop Keypad Lockout Figure 2 19 Keypad Lockout Forward Limit J4 pins 12 13 When Forward Limit is closed edge triggered it prevents the follower from moving forward When the M Traverse detects a Forward Limit it will go to F Stop from Forward Jog Home Seek
100. ition error to the level that you want yet maintain the system s stability To achieve an acceptable level of position error increase the Gain CP 65 parameter until the system becomes unstable then reduce the CP 65 incrementally until the system stabilizes In systems that require greater accuracy it may be necessary to adjust the Integral CP 66 parameter to reduce any remaining position error In systems with low inertia the position error will be reduced more quickly if you enter higher values in CP 66 An entry that is too high however can create instability or overshoot the setpoint before reaching the correct value Generally use lower entries for CP 66 on systems with a large inertia The M Traverse comes factory pre loaded with a complete set of default Tuning parameters These default settings are suitable for most applications The factory defaults for the Follower Tuning Control Parameters are found in Table 3 24 To modify the default parameters refer to Table 3 25 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 26 Default Tuning Control Parameters CP Parameter Name Parameter Value CP 66 Integral Table 3 27 Entering Tuning Control Parameters Parameter Name Parameter Value With Integral CP 66 set to 0 increase the Gain parameter value until the system becomes unstable then decrease it slightly until the system stabilizes Larger values wi
101. l Parameters for Changes CP Parameter Name Parameter Value CP 24 Edge Center Based 1 CP 25 Change Activation CP 30 At Home Band 4 CP 31 Home Offset 0 Table 3 15 Entering Control Parameters for Changes CP Parameter Name Parameter Value CP 24 Edge Center Based Enter 1 for an edge based profile Enter 2 for a center based profile CP 25 Change Activation When CP 24 is set to 1 edge based then Enter 1 to activate changes when the Follower is in the Home position Enter 2 to activate changes immediately Enter 3 to activate changes when the Follower is in the end dwell position CP 30 At Home Band Enter the number of encoder lines that you want to allow on either side of the O Home Set position 31 Home Offset If CP 24 is set at 1 edge based enter the distance from the sensor to the desired position of Home If CP 24 is set at 2 center based enter the distance from the sensor to the center of the web The Resume Enable parameter allows you to specify the conditions under which you resume operation Resume Enable CP 32 If you interrupt the operation F Stop the Resume Enable CP 32 parameter allows you to keep track of error in both the Follower and Lead positions It also allows you to freeze the Lead position and keep track of error in the Follower position The M Traverse will adjust for the error when you resume operation Resume is disabled by enter
102. lay If EPROM fails an EE is visible in the lower LED display Press Clear to remove the PP and continue to the next test Press Code Select only if you want to exit diagnostics Display Test 4 To Test Upper and Lower LED Display Panel Segments To enter this test press the Status key to increment or the Tach key to decrement until the number 4 is visible on the right side of the upper LED display Press Enter to start the test NOTE The M Traverse will quickly run through all of the display variations Watch each of the display variations carefully for missing segments For example a nine with missing segments could look like a seven The M Traverse will display the following Upper LED Display Lower LED Display 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 TI AAT 7 7 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 E E E E E E E E H H H H H H H H L L L L L L L L P P P P P P PP 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 b b b b b b b b C C C C C C C C d d d d d d d d E E E E E E E E F F F F F F F F The lower LED display is blank and the upper LED display defaults back to Help and the number 4 after the M Traverse has completed t
103. ll increase Gain To verify the stability of the speed changes you can access Tach through either the Tach key or the Tach MV 40 parameter While switching between the high and low setpoints increase the Integral s default value of 1 until the position error is reduced within an acceptable time frame To verify the stability of the speed changes you can access Tach through either the Tach key or the Tach MV 40 parameter OUTPUT CONTROL Output Control is influenced by the Batch Control Parameters the Alarm Output the At Home output and Outputs A and B These parameters and outputs are discussed as follows The Batch Control Parameters allow you to make a specific amount of product and then automatically stop when that amount is reached Batch Format CP 26 Use the Batch Format CP 26 parameter to indicate which type of count that you want the Batch Counter to do You can count either Follower traverses or Lead reel revolutions Enter 1 in CP 26 to count the Follower traverses Enter 2 in CP 26 to count Lead revolutions Batch Limit CP 27 The Batch Counter is an up counter that is cleared to zero by the Batch Reset input Use the Batch Done Output to shut off the system when the Batch Count has been reached You can count either the number of Follower traverses or the number of Lead reel revolutions If you count Follower traverses each direction counts as one traverse If you count Lead revolutions each wrap
104. lution of the feedback encoder encoder resolution in lines NOTE CP 18 can not be changed during Run CP 19 MAXIMUM RPM FOLLOWER The Maximum RPM Follower CP 19 parameter is the RPMs of the feedback encoder shaft when the Follower is operating at maximum speed Although this entry does not need to be exact highly inaccurate entries will make it difficult to tune the M Traverse for precision Follower profiling When you calculate this variable be sure to consider all gear reductions belt reductions and other types of reducers NOTE CP 19 can not be changed during Run CP 23 HIGH SPEED ALARM Use the High Speed Alarm CP 23 parameter to determine the RPM level that will activate the High Speed Alarm Output When the Follower s motor RPMs are at or above the value in CP 23 the High Speed Alarm Output will activate CP 24 EDGE CENTER BASED PROFILE The traverse length is measured from Home The Edge Center Based Profile CP 24 parameter allows you to set Home relative to either the edge or the center of your reel or web The Follower mechanism moves a traverse length from that position and then returns To set Home as an edge based profile enter 1 in CP 24 All traverse length changes occur from the edge in the forward direction and the Home position does not change The diagram below illustrates this profile Traverse length changes can be made on the fly and the timing on these changes is a cruc
105. ly advanced internally embedded control software is specifically designed for the precise control of reciprocating lead follower motion applications These applications are characterized by symmetric forward and reverse follower profiles The M Traverse is often used for level winding web scanning and fabric lapping however it can be used in any operation that requires symmetrical follower profiling against a lead The M Traverse allows you to enter information that is unique to your system s operation through user friendly Control Parameters The M Traverse uses this information to calculate and determine a variety of controls and functions and frees you from complex computations When your system is engaged Run the traversing mechanism Follower accelerates from the Home position to the preset laypitch Setpoint Operating at the laypitch the traverse mechanism can precisely align a product on a reel or web then decelerate the traversing mechanism to the end of the Traverse Length before beginning the end Dwell At the Dwell the M Traverse assures that the product is properly aligned before returning in the opposite direction The M Traverse is remarkably precise within one encoder line The M Traverse accepts up to four preset pairs of Setpoint and Traverse Length parameters These parameters can be engaged with a quick flip of a switch during a product change over The M Traverse features additional advanced control that includ
106. ment Make adjustments with caution Turn the screws fully clockwise for the maximum setting Turn the screws fully counterclockwise for the minimum setting Zero Pot vorn u Scale Pot Power Board Figure 2 28 Location of M Traverse Scale and Zero Pot MOTOR DRIVE SET UP 1 Put the M Traverse in F Stop by opening the F Stop input J4 pins 9 and 10 Refer to nstallation Setup Wiring F Stop Set the drive s Acceleration and Deceleration potentiometers to their fastest rates minimum ramp time The goal is to make the drive as responsive as possible which allows the M Traverse to control the speed changes If the drive has a Zero Speed Potentiometer adjust it to eliminate any motor creep If the drive does not have a zero speed pot then adjust the zero speed pot on the M Traverse to eliminate any motor creep Figure 2 28 shows the location of the M Traverse zero speed pot If the drive has an IR Compensation Potentiometer set it at minimum Each motor drive has settings that are unique to its particular model Adjust any remaining drive settings according to the manufacture s recommendations ENCODER POLARITY CHECK Observe MV 41 while you rotate the lead encoder in the direction that is forward during normal operation Switch the lead encoder lines on J3 pins 3 and 5 if MV 41 is negative Observe MV 42 while you rotate the Follower encoder in the direction tha
107. minimize equipment malfunctions from electrical noise and terminate the shields at the receiving end only Keep the AC power wiring J2 physically separated from all other wiring on the M Traverse Failure to do so could result in additional electrical noise and cause the M Traverse to malfunction Inductive coils on relay contactors solenoids that are on the same AC power line or housed in the same enclosure should be suppressed with an RC network across the coil For the best results use resistance r values of 50 ohms and capacitance c values of 0 1 microfarads Install an AC line filter or isolation transformer to reduce excessive EMI noise such as line notches or spikes on the AC power line DANGER Hazardous voltages Can cause severe injury death or damage to the equipment The M Traverse should only be installed by a qualified electrician INPUTS NOTE The installation of this motor control must conform to area and local electrical codes See The National Electrical Code NEC Article 430 published by the National Fire Protection Association or The Canadian Electrical Code CEC Use local codes as applicable Input Power J2 pins 1 2 3 The M Traverse operates on either a 115 VAC or 230 VAC 10 15 0 25 Amps 50 60 Hz Use the separate 3 pin connector J2 for the power connection Chassis Gnd Neutral L2 L1 Figure 2 6 Input Power Lead Frequency J3 pins 3 4 5 6
108. mprove its devices without imposing any obligation upon Contrex Inc to make changes or improvements in previously manufactured devices This warranty statement is a summary of Contrex Inc s policy Further limits of liability are contained in the Contrex Inc s purchase order acknowledgments and invoices INDEX Symbols Alt 3 3 A Accel Decel 3 30 5 30 5 36 Accel Decel Length 3 17 5 16 5 36 Alarm Output p 2 20 3 36 Alarm Status 3 60 5 26 5 38 Annunciator Test 4 6 Appendix 5 11 Appendix B 5 13 Appendix C p 5 14 Appendix D p 5 36 5 37 Appendix E 5 38 Appendix F p 5 39 Appendix G p 5 40 Appendix H 5 44 Applications M Traverse p 1 4 At Home Band 3 21 3 23 3 37 5 21 5 36 At Home Output p 3 37 Auxiliary DC Power p 2 22 B Batch Control Parameters p 3 34 Batch Count 3 62 5 33 5 38 Batch Count Key 3 4 Batch Count Key To Use the p 3 4 Batch Done p 2 20 Batch Format 3 34 3 35 5 20 5 36 Batch Limit 3 34 3 35 5 21 5 36 Batch PreAct Distance p 3 34 3 35 5 21 5 36 Batch Reset 2 14 Baud Rate 3 64 5 31 5 37 C Calibration p 2 27 Calibration Definition p 5 3 Center Based Profile with Home Offset p 3 48 Change Activation p 3 23 5 19 5 36 Character Format 3 65 5 31 5 37 Clear 3 3 5 47 Clear 4 Test 4 3 Closed Loop p 5 3 Code Select Key p 3 3 Communications Error p 3
109. ng Output A Control Parameters CP Parameter Name Parameter Value CP 90 Output A Segment Enter 1 to activate Output A during the constant pitch plateau segment of the Follower profile Enter 2 to activate Output A during the constant pitch plateau and Accel Decel segment of the Follower profile Enter 3 to activate Output A during the Dwell segment of the Follower profile CP 91 Output A Direction Enter 1 to activate Output A during the forward direction Enter 2 to activate Output A during the reverse direction Enter 3 to activate Output A during the forward and reverse directions CP 92 Output A Polarity Enter 0 to activate Output A as Active Low Voltage Level Enter 1 to activate Output A as Active High Voltage Level Output B activates peripheral equipment in response to the Output B parameters This peripheral equipment can be set up to add material e g adhesive or paint during specific segments of the Follower profile Output B Segment CP 93 Use the Output B Segment CP 93 parameter to determine what segment of the Follower profile will activate Output B Enter 1 in CP 93 to activate Output B during the constant pitch plateau segment of the Follower profile Enter 2 in CP 93 to activate Output B during the constant pitch plateau and Accel Decel segments of the Follower profile Enter 3 in CP 93 to activate Output B during the dwell segment of the Follower profil
110. nge ASCII The host computer sends three types of messages Parameter Send To change CPs Control Command Send To control operating functions Data Inquiry To monitor CPs and MVs These three message types their character level descriptions in binary and ASCII as well as the M Traverse s response are outlined in the sections that follow Parameter Send Use the Parameter Send to change any of the M Traverse s Control Parameters Table 3 38 Parameter Send Host Transmission Dev Dev MSG Par Par Data Data Data Data Data Data Data Data Data DESC sTX 10s 4s 10 is 10 imil t00th th 1005 10s 1s Format ETX The following is a description of the Parameter Send Host Transmission Characters Character 1 STX This is the first character in the character string None of the other characters will be recognized without this character prefix Always use the ASCII STX character to enable the M Traverse s receive buffer Characters 2 3 Device Number These characters are the access address of the M Traverse This number identifies individual M Traverses on a multidrop system The M Traverse will accept data only if this number matches the M Traverse s address CP 70 with the exception of a 00 address The 00 address is universally accepted by all M Traverses that are on the RS422 Serial Communications Interface Character 4 Message Type This characte
111. nnoy peso 5 9015 4 annoy dojs 4 9015 9 9pjo4g an peuj euog uoreg annoy euoq yag 1 10 eAnoy g nO 0 co Sjequinw annoy e qeu3 e ug sn ul ON sn ul N as anay uedo uineu yesey yeg p sojo 4995 euoH 195 asn ul JON peso d ou S puemio4 1995 1995 peso 2 HEM uny P9S0I9 ATO eed pJeM04 pJ amp M04 BANOV peeds Bor uny uny ON peuyeq 0 OA V winjey unay P9S0I9 opo uo uonisog 04594405 pue Joyuo N 3 80 Troubleshooting Diagnostics Troubleshooting EPROM Chip Replacement DIAGNOSTICS This section describes how to use the diagnostic routines to verify that the M Traverse
112. nt the M Traverse 1 The NEMA Industrial Electrical Enclosure that will house the M Traverse must conform to the following environmental conditions Temperature 0 55 degrees C Internal NEMA enclosure temperature Humidity 0 90 RH non condensing The dimensions for the door panel cutout are 3 65 03 X 7 25 4 03 see figure 2 4 Allow two inches of clearance on all sides of the cutout for mounting clamp attachments wire routing and heat convection Insert the M Traverse through the door panel cutout until the gasket and bezel are flush with the door panel see figure 2 4 The mounting clamps can be inserted in the holes that are located either on the top and bottom or on the sides of the M Traverse Tighten the mounting screws until the M Traverse is mounted securely in the NEMA Electrical Enclosure Do not overtighten S Z qiaius al O ZH A L 3Sua du 999X9 JOU PINOUS 1 210 cil VW p jou pjnoys 1 21 5 E 092 jou 9 12101 LIWN 3sua3Aau O A amp EL 2 10 suid gr Aq peiddns eq pue Jepooue JO R NIT O zu O 1f10901 Ono 4015 3 5 6 n 8 U3MOd L 2 SISSYHO NnH O 9 2
113. nter Based Profile CP 24 parameter allows you to set relative to either the edge or the center of your reel or web The Follower mechanism moves a traverse length from that position and then returns To set Home as an edge based profile enter 1 in CP 24 All traverse length changes occur from the edge in the forward direction and the Home position does not change The diagram below illus trates this profile Traverse length changes can be made on the fly and the timing on these changes is a crucial factor For the timing on edge based traverse length changes refer to the Change Activation CP 25 parameter Edge Based Home l 42 Traverse Length 110 Traverse Length I 15 Traverse Length I set Home as center based profile enter 2 in CP 24 All traverse length changes occur from the center and the Home position changes to compensate for traverse length changes The diagram below illustrates this profile Traverse length changes will occur auto matically when the Follower mechanism is in the center of the web Center Based 12 Traverse Length Home Fg 10 Traverse Length I 5 Traverse Length Home ee 1 l Change Activation CP 25 The Change Activation CP 25 parameter works in conjunction with the Edge Center Based Profile CP 24 parameter When CP 24 is set to 1 edge based then CP 25 determines when c
114. ntrol Mode CP 14 parameter allows you to choose between either the Standard 1 or Lay Adjusted 3 option in the Follower mode of operation Both options will operate your system The calculation of the Follower profile length is the only difference between the Standard and the Lay Adjusted option In the lay adjusted option one lay pitch is subtracted from the profile length to adjust for the initial lay on the reel NOTE You can also use Control Mode CP 14 to choose the Direct mode of opera tion which is used for calibration and trouble shooting Refer to Operation Direct Mode for information on the Direct mode The factory default for the Control Mode Control Parameter is found in Table 3 2 To modify the default parameter refer to Table 3 3 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 2 Default Control Mode Control Parameter Parameter Name Parameter Value Control Mode 1 Follower Standard Table 3 3 Entering Control Mode Control Parameters CP Parameter Name Parameter Value CP 14 Control Mode Enter 1 to enable the Follower Mode Standard Enter 3 to enable the Follower Mode Lay Adjusted Follower Scaling Parameters The M Traverse allows you to use Engineering Units e g feet inches to control and monitor your system Follower Scaling is a convenient method for converting encoder lines to Engineering Units Scaling Control Parameters give the
115. o freeze the Lead position and keep track of error in the Follower position enter 3 in CP 32 When you resume operation the Follower could make an abrupt shift back to its former position which can severely injure you or damage equipment The specific consequences can vary depending on your use of the equipment and your system s design Install safety equipment that is appropriate for your application CP 35 HOME SYNC POLARITY The Home Sync Polarity CP 35 parameter allows you to choose between rising edge polarity positive going signal or falling edge polarity negative going signal during Home Seek This feature is extremely useful when you use reflective or transmissive optical sensors for the Home sensor Enter 1 in CP 35 for a rising edge or 2 for a falling edge Refer to the diagram below Rising Edge Falling Edge 4 Vdc 4 Vdc 0 Vdc 0 Vdc CP 36 FORWARD REVERSE LIMIT POLARITY The Forward Reverse Polarity Limit CP 36 parameter allows you to choose between rising edge polarity positive going signal or falling edge polarity negative going signal so that the Follower mechanism will not travel beyond the traverse length limit This feature is extremely useful when you use reflective or transmissive optical sensors for the Home sensor Enter 1 in CP 35 for a rising edge or 2 for a falling edge CP 37 FORWARD LIMIT FORMAT Use the Forward Limit Format CP 37 parameter to determine how the Forward Limit will
116. o the setpoint measurement For example in a level wind application you may have a reel that measures one foot that is wrapped with two inch hose You would enter 2 inches in Setpoint 2 CP 03 and 12 inches in Traverse Length 2 CP 04 CP 05 SETPOINT 3 The Setpoint parameters are set up as pairs in conjunction with the Traverse Length parameters There are four pairs of Setpoint and Traverse Length parameters The Setpoint value is entered in Engineering Units E U s and automatically displays the decimal position that was entered in the Engineering Units CP 15 The Setpoint parameter determines how far the Follower travels based on the Lead The Follower travels the setpoint distance while the Lead travels the distance entered into CP 16 In the level wind application the Setpoint parameters are the laypitch center to center distance between windings on the reel In the web scanning application the Setpoint parameters are the traverse length These preset parameters can be set up as a switch via the Setpoint Select switches which gives the operator the option of changing over the product up to four times CP 06 TRAVERSE LENGTH 3 The Traverse Length parameters are set up as pairs in conjunction with the Setpoint parameters There are four pairs of Setpoint and Traverse Length parameters The Traverse Length value is entered in Engineering Units E U s and the decimal position that was entered in the Engineering Units CP 1
117. oltage Level Enter 1 in CP 92 to activate Output A as Active High Voltage Level CP 93 OUTPUT B SEGMENT Use the Output B Segment CP 93 parameter to determine what segment of the Follower profile will activate Output B Enter 1 in CP 93 to activate Output B during the constant plateau segment of the Follower profile Enter 2 in CP 93 to activate Output B during the constant plateau and Accel Decel segments of the Follower profile Enter 3 in CP 93 to activate Output B during the dwell segment of the Follower profile The diagram below illustrates the segments of the Follower profile Follower Profile gt Constant 15 29 Pitch o Plateau 9 x 1 3 2 gt CP 94 OUTPUT B DIRECTION Use the Output B Direction CP 94 parameter to specify the direction in which Output B will operate Enter 1 in CP 94 to activate Output B during the forward direction Enter 2 in CP 94 to activate Output B during the reverse direction Enter 3 in CP 94 to activate Output B during the forward and reverse directions CP 95 OUTPUT B POLARITY Use the Output B Polarity CP 95 parameter to specify the voltage polarity at which Output B will operate Enter 0 in CP 95 to activate Output B as Active Low Voltage Level Enter 1 in CP 95 to activate Output B as Active High Voltage Level MV 99 SOFTWARE CODE REVISION MV 99 displays the code revision number of th
118. or In the example below Invalid Parameter Code is the error Transmit Error parity framing overrun no ETX no STX Parameter Error invalid parameter code or message type Data Error invalid data Min Max Error out of range Control Mask Error or Lockout during Run State Not Used CP 79 KEYPAD LOCKOUT MASK Keypad Lockout Mask is active when the Keypad Lockout input J4 pins 10 11 is closed The value that you enter in CP 79 determines which CPs are locked out and inaccessible to the operator Enter the number for the required format as listed below 1 All CPs are locked out Global lockout 2 All CPs except 01 08 Setpoints and Traverse Lengths are locked out MV 80 LEAD JOB SIZE The Lead Job Size displays the total Lead encoder lines that are registered for the most recent job cycle MV 81 FOLLOWER JOB SIZE The Follower Job Size displays the total Follower encoder lines registered for the forward direction of the profile MV 84 FOLLOWER PROFILE LENGTH The Follower Profile Length displays the calculated number of forward encoder lines for the profile MV 86 PROCESS RATIO The M Traverse calculates and displays the commanded ratio of the Follower Frequency to the Lead Frequency The commanded ratio is used during the constant pitch plateau segment of the profile MV 87 PROFILE RATIO The M Traverse displays the current commanded Follower to Lead ratio for the immediate operation during the in line prof
119. or Run if CP 37 is set to 1 If CP 37 is set to 2 then the M Traverse will begin a reverse profile when it detects a Forward Limit To deactivate Forward limit use any reverse command e g Reverse Jog Reverse Limit J4 pins 13 14 When Reverse Limit is closed edge triggered it prevents the follower from moving in reverse When the M Traverse detects a Reverse Limit it will go to F Stop from either Run Reverse Jog or Home Seek any reverse move To deactivate Reverse limit use any forward command e g Forward Jog Figure 2 20 Forward Limit Reverse Limit Figure 2 21 Reverse Limit 18 Jog Forward Reverse J4 pins 15 16 The Jog Forward Reverse input Jog Forward Reverse controls the direction of the Speed Command Output while it is in Jog Jog is in the forward direction when the input is open Jog is in the reverse direction when the input is closed Figure 2 22 Jog Forward Reverse Jog J4 pins 16 17 Jog is a maintained input When the Jog input is closed the M Traverse sends a Speed Command Out signal to the drive at the selected jog speed As a maintained input Jog is only active when the operator device is closed NOTE Close the F Stop input and open the Run input prior to entering Jog Figure 2 23 Jog OUTPUTS NOTE The installation of this motor control must conform to area and local electrical codes See The National Electrical Code NEC Article 430 p
120. or the M Traverse s outputs MV 47 DAC OUTPUT The DAC Output displays the present level of the analog speed command output to the motor drive The DAC output displays in DAC bits A value of 4095 indicates a 100 positive output and a value of 4095 indicates a 10096 negative output MV 48 TRIM OUTPUT The Trim Output is the calculated output of the compensation algorithm gain plus integral This value is displays in DAC bits A value of 4095 indicates a 100 positive output and a value of 4095 indicates a 100 negative output MV 56 DISCRETE OUTPUTS GROUP A The Discrete Output Group A displays the status of the Drive Enable Batch Done Alarm Profile Direction At Home and Output A discrete outputs The number 1 indicates an inactive or de energized logic high level The number 0 indicates active or energized logic low level In the example below Batch Done is the inactive or de energized logic high level Drive Enable Batch Done Alarm Profile Direction At Home Output A MV 57 DISCRETE OUTPUTS GROUP B The Discrete Outputs Group B displays the status of the Output B discrete outputs The number 1 indicates an inactive or de energized logic high level The number 0 indicates an active or energized logic low level In the example below Output B is the inactive or de energized logic high level Output B Not Used Not Used Not Used Not Used Not Used 57 PERFORMANC
121. osition to zero Place the M Traverse in F Stop Display MV 43 Lead Position Move the Lead either one revolution of the reel level wind or one traverse length web scan MV 43 should have the same value as CP 16 Follower Lines per Engineering Units CP 17 In a level wind application CP 17 is the number of Follower encoder lines that the Feedback Frequency input registers as a result of the Follower laypitch that was entered in CP 15 In a web scanning application CP 17 is the number of Follower encoder lines that the Feedback Frequency input registers when the Follower travels one traverse length When you calculate this variable be sure to consider all gear reductions belt reductions and other types of reducers Use the following procedure to check or find CP 17 Place the M Traverse in F Stop Activate the Home Set input clears the Follower position to zero Place the M Traverse in F Stop Display MV 44 Follower Position Jog the Follower either one laypitch CP 15 for level wind or one traverse length CP 15 for web scan MV 44 should have the same value as CP 17 PPR Follower CP 18 The PPR Follower CP 18 parameter is the number of pulses per revolution of the feedback encoder encoder resolution in lines Maximum RPM Follower CP 19 The Maximum RPM Follower CP 19 parameter is the RPM of the feedback encoder shaft when the Follower is operating at maximum speed Although this en
122. output is relay activated driven low when the Batch count is completed Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Refer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse and do not need to be added externally Alarm J1 pin 15 The Alarm output is relay activated driven low if the system s speed is above the speed alarm setting that has been entered in the High Speed Alarm CP 23 parameter Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Refer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse and do not need to be added externally Profile Direction J1 pin 16 The Profile Direction output indicates the commanded direction of the profile This output is relay deactivated driven high when the profile is commanded to move forward This output is relay activated driven low when the profile is commanded to move in reverse Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Refer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse an
123. owing will display briefly in the lower LED display Failure Lower LED Display 300 baud failure 03 2400 baud failure 24 9600 baud failure 96 If any failures have occurred an EE will display briefly in the lower LED display when the test has been completed The M Traverse automatically exits the test Press Code Select only if you want to exit diagnostics In addition to the diagnostic tests 1 10 that you can perform the M Traverse automatically performs two power up diagnostic routines during every power up RAM TEST Random Access Memory The M Traverse performs a pattern read write test on RAM If RAM fails error code 5 appears in the upper LED display The test will stop if a failure is detected Press Clear to continue the test IF the RAM is good the M Traverse will begin the PROM test PROM TEST Programmable Read Only Memory The M Traverse performs a checksum comparison on the PROM If the test fails error code 3 appears in the upper LED display The test stops if a failure is detected Press Clear If PROM is good exit is automatic The M Traverse will begin the initialization routines and normal operation In addition to the diagnostic and power up tests M Traverse has automatic indicators that alert you when there is a power line failure or EMI noise Power Failure If the AC power line voltage drops below the level that is specified for the M Traverse then
124. plateau segment of the Follower profile Enter 2 in CP 90 to activate Output A during the constant pitch and Accel Decel segments of the Follower profile Enter 3 in CP 90 to activate Output A during the dwell segment of the Follower profile The diagram below illustrates the segments of the Follower profile Follower Profile Constant Q Pitch 2 Plateau 9 Output A Direction CP 91 Use the Output A Direction CP 91 parameter to specify the direction in which Output A will operate Enter 1 in CP 91 to activate Output A during the forward direction Enter 2 in CP 91 to activate Output A during the reverse direction Enter 3 in CP 91 to activate Output A during the forward and reverse directions Output A Polarity CP 92 Use the Output A Polarity CP 92 parameter to specify the voltage polarity at which Output A will operate Enter 0 in CP 92 to activate Output A as Active Low Voltage Level Enter 1 in CP 92 to activate Output A as Active High Voltage Level The factory defaults for the Output A Control Parameters are found in Table 3 32 To modify the default parameters refer to Table 3 33 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 34 Default Control Parameters for Output A CP Parameter Name Parameter Value CP 90 Output A Segment 1 CP 91 Output A Direction 0 CP 92 Output A Polarity 0 Table 3 35 Enteri
125. r This profile is used in both web scan and level wind applications Reverse Forward Limit Jog Speed Limit CP 61 EN lt a d Start Here Example of an Edge Based Profile with Home Offset Home Seek moves the Follower mechanism in the reverse direction bypasses the Home Sync sensor and establishes at the Home Offset position The Home Offset position is measured in E U s and is the length away from the Home Sync sensor that has been specified in the Home Offset CP 31 parameter When Home Seek locates the Home Offset position it ramps down at the Accel Decel rate CP 60 to zero This causes the Follower mechanism to overshoot the Home Offset position The M Traverse compensates by continuing Home Seek in a forward triangulated Accel Decel move that aligns the Follower mechanism with the Home Offset and establishes Home This profile is commonly used for applications that can not establish Home at the Home Sync sensor because of interference e g the physical edge of the reel or a bracket that is in the way This profile is used in both web scan and level wind applications Reverse Jog Speed Forward Limit CP 61 Limit Home Offset TN 31 a Start Here Home Home Sync Sensor Example of a Center Based Profile with Home Offset Home Seek moves the Follower mechanism in the reverse direction detects the Home Sync sensor then ramps down at th
126. r and the number 8 will be visible on the upper LED display during this test To run this test connect the outputs to a pull up resistor and either a meter or LED or connect the outputs to a relay and either lights or sound Press Enter to start the test Press keys 1 7 to activate the outputs Press To Activate Drive Enable Batch Done Alarm Profile Dir At Home Output A Output B NOOR WD Press Clear to exit the test Press Code Select only if you want to exit diagnostics Speed Command Out Test 9 To Test the Speed Command Out To enter this test press the Status key to increment or the Tach key to decrement until the number 9 is visible on the right side of the upper LED display Use an oscilloscope to view Speed Command Analog Output J1 Pin 9 The output should ramp from 10 volts to 10 volts then back to 10 volts Press Enter to start the test Press Clear to exit the test Press Code Select only if you want to exit diagnostics Serial Input Test 10 To Test the Serial Input To enter this test press the Status key to increment or the Tach key to decrement until the number 10 is visible on the right side of the upper LED display Jumper J1 Pin 4 to J1 Pin 2 Jumper J1 Pin 5 to J1 Pin 3 Press Enter to start the test If the Serial Input is good then PP is visible in the lower LED display If the Serial Input fails one or all of the foll
127. r should always be 3 Character 5 6 Parameter Number These characters identify the Control Parameter that you want to change i e 16 CP 16 Characters 7 through 14 DATA These characters transmit the new value for a Control Parameter that you want to change The Data must be within the range specified in Appendix E Characters 7 and 8 should always be 0 and are only used with the data inquiry response Character 15 Data Format Character 15 indicates the decimal location and polarity of the data that was transmitted in characters 7 through 14 Use the following codes to indicate decimal location and polarity ode Format XXXXXX XXXXX X XXXX XX XXX XXX XX XXXX X XXXXX XXXXXX XXXXX X XXXX XX XXX XXX X XXXXX OONDORWN ADIO Character 16 ETX Always use the ASCII ETX character to terminate the record Example of Parameter Send Anew Acceleration Time of 52 3 seconds is sent to the M Traverse at address 4 ASCII character string STX0436000005230E TX Note The character string has no spaces between the characters Table 3 39 Parameter Send M Traverse Response Dev Dev Error Par Par Data Data Data Data Data Data Data Data Data DESC STX 10s 15 Code 105 1s t0mil imil 100th 10th 1th 1005 10s 1 Format ETX ASCII STX The following is a description of the Parameter Send M Trav
128. rameters that are unique to your system TROUBLESHOOTING This section contains four troubleshooting flowcharts to help you resolve four possible system operating problems The four scenarios that are addressed by the flowcharts are Motor Does Not Stop Motor Does Not Run Motor Runs at Wrong Speed Motor Runs Unstable If you need to verify the integrity of the M Traverse independently refer to the Troubleshooting Diagnostics section If the information in this section does not solve your problem consult Contrex Technical Support 763 424 8700 or 800 342 4411 13 Motor Does Not Stop MV 52 MV 52 MV 52 MV 52 ovo 000001 0010 00100 NO Run Jog Home Return L Home Seek J4 Pin 3 is shorted to common Remove wire at J1 Pin 9 J3 Pin 6 is Measure voltage with shorted to respect to J1 Pin 10 common J4 Pin 17 is shorted to common J4 Pin2 is shorted to common Voltage Yes Wiring to Drive Motor Drive Calibration is correct is correct Problem Corrected Yes Consult Tech Support Figure 4 1 Motor Does Not Stop Flowchart Corrected Consult Tech Motor Does Not Run Yes NO J4 Pin 9 is CP 61 to 14 1 14 2 Follower eooo Direct NO Yes Setpoint CP 61 is correct is correct Yes Yes Short J4 P
129. ranged by the voltage level of the motor drive The auto range voltage position is the default configuration for the Isolator Voltage jumper NOTE In most cases the default configuration will be appropriate for your application and it will not be necessary to re configure If the motor drive does not have an external voltage reference re configure the Isolator Voltage by moving the jumper from the default auto range voltage position 1 to the internal 15 volt reference position 2 Internal Reference Position Auto Range Position default Figure 2 2 Power Board Isolator Jumper The Power Voltage switch SW1 is located on the Power Board see Figure 2 3 The default configuration for the Power Voltage switch is 115 VAC NOTE In most cases the default configuration will be appropriate for your application and it will not be necessary to re configure To re configure for 230V move the switch from the 115V position left to the 230V position right 115V default 4 4 Figure 2 3 Power Board SW1 Switch CUTOU DOOR PANEL CUTOUT 7 25 03 Figure 2 4 M Traverse Mounting and Cutout Dimensions MOUNTING This section contains instructions for mounting the M Traverse in the door panel of a NEMA Industrial Electrical enclosure The M Traverse is packaged in a compact 1 2 DIN Vertical Instrument Enclosure that mounts easily in the door of your Industrial Electrical Enclosure To mou
130. raverse Length parameters are set up as pairs in conjunction with the Setpoint parameters There are four pairs of Setpoint and Traverse Length parameters The Traverse Length value is entered in Engineer ing Units E U s and the decimal position that was entered in the Engineering Units CP 15 parameter is automatically displayed The traverse length is the distance that the Follower mechanism will travel In level wind applications the traverse length is generally the length of the reel In web scanning applications the traverse length is generally the width of the web The traverse length measurement corresponds to the setpoint measurement For example in a level wind application you may have a reel that measures one foot that is wrapped with two inch hose You would enter 2 inches in Setpoint 1 CP 01 and 12 inches in Traverse Length 1 CP 02 The factory defaults for the Traverse Length Control Parameters are found in Table 3 8 To modify the default parameters refer to Table 3 9 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 8 Default Traverse Length Control Parameters CP Parameter Name Parameter Value CP 02 Traverse Length 1 0 000 CP 04 Traverse Length 2 0 000 CP 06 Traverse Length 3 0 000 CP 08 Traverse Length 4 0 000 Table 3 9 Entering Traverse length Control Parameters CP Parameter Name Parameter Value CP 02 Traverse Length 1 In a level wind applic
131. re for a smooth operation is best to specify a Dwell CP 10 parameter CP 26 BATCH FORMAT Use the Batch Format CP 26 parameter to indicate which type of count that you want the Batch Counter to do You can count either Follower traverses or Lead reel revolutions Enter 1 in CP 26 to count the Follower traverses Enter 2 in CP 26 to count Lead revolutions CP 27 BATCH LIMIT The Batch Counter is an up counter that is cleared to zero by the Batch Reset input Use the Batch Done Output to shut off the system when the Batch Count has been reached You can count either the number of Follower traverses or the number of Lead reel revolutions If you count Follower traverses each direction counts as one traverse If you count Lead revolutions each wrap of the reel or layer is one lead revolution Enter the total number that you want counted in Batch Limit CP 27 CP 28 BATCH PREACT DISTANCE The Batch PreAct Distance CP 28 parameter is used only if the Batch Format CP 26 has been set to number 1 Follower traverses CP 28 allows you to set a specific distance at which to activate the Batch Done This can be at the end dwell or any distance from dwell up to the Accel Decel Length at the opposite end from dwell If you enter a number that would go beyond the Accel Decel Length the M Traverse will automatically default to the Accel Decel Length For example your reel is 10 inches long with an Accel Decel Length of 1 inch on
132. rse Length Setpoint Changes Changes Faster T 8 Longer S I 8 9 t New New E Plateau Plateau New New Plateau Plateau If CP 25 is set to 3 the change will occur at the next forward or reverse dwell position However if there is no dwell position a setpoint change will occur at the start of the reverse plateau in the forward direction or at the start of the forward plateau in the reverse direction If the setpoint is changed to a slower speed this change will cause a spike which will momentarily cause an abrupt jolt to the Follower mechanism Therefore for a smooth operation it is best to specify a Dwell CP 10 parameter At Home Band CP 30 The At Home Band CP 30 parameter allows for a certain amount of range in the Home position measured in encoder lines Although the Home Set and Home Seek inputs place home exactly at O the At Home Band parameter allows home to be located in a band that is measured in negative and positive encoder lines on each side of the 0 mark Enter the desired number of encoder lines in CP 30 NOTE The Follower mechanism must be positioned within the At Home Band before Run is entered The Follower position must also be within the At Home band to activate the At Home LED indicator front panel and the At Home discrete output The factory defaults for the Edge Center Based Profile Home Offset Change Activation and At Hom
133. ry has been rejected the Invalid Profile parameter will display the reason that it was rejected The M Traverse will not allow your system to enter Run if there is an invalid profile The digit that displays a number 1 is the error In the example below The process length is zero or negative is the error Lead Size or Follower Size gt 14 400 000 Process length is either zero or negative Not Used Not Used Not Used Not Used MV 59 LINE NOTCH COUNTER The Line Notch Counter parameter checks the integrity of the AC line Notches on the line are caused by inductive loads e g motors contactors which cause the counter to increment if the AC line is too low soft The Line Notch Counter displays the number of line notches that have occurred on the AC line CP 60 ACCEL DECEL Accel Decel CP 60 is the number of seconds in which you want your system to accelerate from zero RPMs to the Jog Setpoint speed NOTE CP 60 can not be changed during Run CP 61 JOG SETPOINT Jog Setpoint CP 61 is the RPM at which you want your system to operate when it is in Jog When you activate Jog the RPMs increase at the acceleration rate that you specified in Accel Decel CP 60 until the Jog Setpoint CP 61 is achieved Jog can only be entered from F Stop and when Jog is terminated the Follower mechanism returns to F Stop Jog is used when you need brief bursts of speed to align the Follower mechanism The Jog Setpoint CP 61 is also used
134. sured in encoder lines Although the Home Set input places home exactly at 0 the At Home Band CP 30 allows home to be located in a band that is mea sured in negative and positive encoder lines on each side of the 0 mark The desired number of encoder lines is entered in CP 30 NOTE The Follower must be within the At Home Band before Run is entered The Follower position must also be within the At Home band to activate the front panel At Home LED indicator and the At Home discrete output The factory default for the At Home Band Control Parameter is found in Table 3 30 To modify the default parameter refer to Table 3 31 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 32 Default At Home Band Control Parameter CP Parameter Name Parameter Value Table 3 33 Entering At Home Band Control Parameter CP Parameter Name Parameter Value CP 30 At Home Band Enter the number of encoder lines that you want to allow on either side of the 0 Home Set position Output A activates peripheral equipment in response to the Output A parameters This peripheral equipment can be set up to add material e g adhesive or paint during specific segments of the Follower profile Output A Segment CP 90 Use the Output A Segment CP 90 parameter to determine what segment of the Follower profile will activate Output A Enter 1 in CP 90 to activate Output A during the constant pitch
135. t is forward during normal operation Switch the follower encoder lines on J3 pins 7 and 9 if MV 42 is negative 1 M TRAVERSE CALIBRATION Make sure that the M Traverse is still in F Stop If it is not put the M Traverse in F Stop by opening the F Stop Logic input J4 pins 9 and 10 Refer to nstallation Setup Wiring F Stop Enter the resolution PPRs of the feedback sensor in the PPR Follower CP 18 parameter by entering the following on the keypad Press Code Select Enter 18 Press Enter Enter the Pulses Per Revolution PPR of the feedback sensor Press Enter The Tach is now scaled for feedback RPMs If the M Traverse is using the drive voltage for reference J1 pin 8 then set the drive s max speed potentiometer to its minimum setting If the M Traverse is using its internal voltage for reference no connection to J1 pin 8 then set the drive s max speed potentiometer to its maximum setting and set the M Traverse s scale pot to its minimum setting fully counterclockwise Figure 2 28 shows the location of the M Traverse scale pot The M Traverse is defaulted for use with bi directional drives that use bipolar positive and negative voltage commands to indicate the direction If you are using a single quadrant direction drive then change CP 29 to unipolar operation as follows Press Code Select Enter 29 Press Enter Enter 1 Press Enter Enable the M Traverse s
136. t that is edge triggered and is activated through the Home Seek input J4 pin 1 2 Home Seek is internally latched and does not need to be maintained by an operator device NOTE Home must be established before the Follower mode can be used Home is identified by a Follower position of zero In the Follower mode 15 the position from which the profile traverses in the Forward direction Home Seek will always begin to move the Follower mechanism in the reverse direction towards the reverse limit When Home Seek locates the Home Sync sensor it ramps down at the Accel Decel rate CP 60 to zero This causes the Follower mechanism to overshoot the Home Sync sensor and the M Traverse compensates with a triangulated forward Accel Decel move that aligns the Follower mechanism with the Home Sync sensor There are a variety of profile possibilities since Home Seek can find home from any position on the traverse length The following examples will illustrate four possible Home Seek profiles Example of an Edge Based Profile with no Home Offset Home Seek moves the Follower mechanism in the reverse direction toward the reverse limit When Home Seek locates the Home Sync sensor it ramps down at the Accel Decel CP 60 rate to zero This causes the Follower mechanism to overshoot the Home Sync sensor and the M Traverse compensates with a forward triangulated Accel Decel move that aligns the Follower mechanism with the Home Sync senso
137. ters CP and Monitor Variable MV The numbered code that represents the parameter is the Parameter Code The operational data is the parameter s value Control Parameter 14 Parameters Monitor Variable 40 200 Parameter Code Parameter Value This section is about Monitor Variables Control Parameters are explained in Operation Control Parameters The M Traverse has a number of Monitor Variables MVs that monitor the performance of the M Traverse and your system help you troubleshoot for problems and confirm the wiring and tuning MVs can be accessed at any time during the M Traverse s operation including during Run Jog and F Stop Note Monitor Variables are status indicators only you can not directly affect an MV There are four categories of Monitor Variables Input Monitoring Output Monitoring Performance Monitoring Status Monitoring In the sections that follow the Monitor Variables are listed according to these categories INPUT MONITORING These MVs monitor the M Traverse s inputs MV 41 LEAD FREQUENCY The Lead Frequency displays the frequency of the Lead Frequency Input J3 pin 3 4 5 in hertz pulses per second MV 41 is averaged it is the 250 millisecond frequency calculation prior to the display update MV 42 FEEDBACK FREQUENCY The Feedback Frequency displays the frequency of the Feedback Frequency Input J3 pin 7 8 9 in hertz pulses per second MV 42 is averaged it is the 250
138. the EPROM chip Remove the back panel Pull out the CPU board Locate the EPROM chip and note the orientation of the Pin 1 Indicator Carefully pry EPROM that is being replaced from the socket Carefully install the replacement EPROM in the socket using the Pin 1 Indicator for correct placement Be careful not to bend the EPROM pins NOTE Incorrect placement can damage the EPROM Replace the CPU board Replace the back panel Press Clear and 7 and apply power to the M Traverse simultaneously The M Traverse restores the factory default settings and automatically performs the Power Up diagnostic routines Reenter your Code Parameters values 20 NOTES References Glossary Appendix A M Traverse Specifications Appendix B Formulas Appendix C Parameter Summary Numeric Quick Reference Appendix D Control Parameter Reference Appendix E Monitor Variable Reference Appendix F Fax Cover Sheet Appendix G Wiring Diagram Examples Appendix H Revision Log Service Policy Warranty Index Acceleration Deceleration Accel Decel Length Alarm High Speed Alarm Status At Home Band Batch Count Batch Format Batch Limit Batch Preact Distance Baud Rate Calibration Change Activation Character Format Closed loop Closed Loop Compensation Pl Software Code Select Key Control Command Send GLOSSARY See Appendix C CP 60 See Appendix C CP
139. the Direct mode of operation or the Follower mode of operation The values that you enter in the relevant Control Parameters determine which of the modes of operation your M Traverse is set up for The mode of operation that you use is determined by your systems operational requirements The following sections demonstrate how to enter Control Parameters for the Direct mode or the Follower mode of operation In addition Control Parameters for Jog Tuning and Output Control are addressed FOLLOWER MODE The M Traverse is a multi motor operation that is specifically designed for the precise control of reciprocating lead follower motion control applications Its primary mode of operation is the Follower mode This section discusses the set up procedures for the Follower mode of operation Refer to Introduction Examples of M Traverse Applications for an example of the Follower Mode Refer to Operation M Traverse Operation for instructions on the operation of the Follower mode Caution To avoid damage to your system the M Traverse must be calibrated and the motor drive set up before you enter the Follower mode Refer to nstallation Setup Calibration In order to set up the M Traverse for the Follower mode of operation Control Parameters must be entered for the following procedures Control Mode Parameter Follower Scaling Parameters Preset Parameters Follower Profile Parameters Other Follower Parameters Control Mode Parameter The Co
140. the host computer the Error Code will display them Use Table 3 42 to convert the ASCII code to binary Then the binary code can be decoded as follows Bit 7 Always 0 Bit 6 Always 1 Bit 5 Always 0 Bit 4 1 Control Mask Error Lockout during Run state Bit 3 1 Minimum Maximum Error out of range Bit 2 1 Data Error invalid data Bit 1 1 Parameter Error invalid parameter or message type Bit 0 1 Transmit Error parity framing overrun no STX or no ETX Note The M Traverse will only accept data if there are no errors The ASCII error code Binary code 1000000 indicates that the Host Transmission contains no errors Also see MV 74 for the ASCII Error Code for the last Response Message 78 Characters 5 6 Parameter Number The Control Parameter Code is sent back to the host computer from the M Traverse Characters 7 through 14 DATA The Control Parameter or Monitor Variable data that was requested is sent back to the host computer from the M Traverse For an interpretation of the MV 50 through MV 56 data refer to Table 3 43 For the ASCII to binary conversion refer to Table 3 42 Character 15 Data Format Character 15 indicates the decimal location and polarity of the data that was transmitted in characters 7 through 14 Use the following codes to indicate decimal location and polarity o 2 Format XXXXXX XXXXX X
141. tions and other types of reducers NOTE CP 16 can not be changed during Run Use the following procedure to check CP 16 Place the M Traverse in F Stop Activate the Home Set input clears the Lead position to zero Place the M Traverse in F Stop Display MV 43 Lead Position Move the Lead either one revolution of the reel level wind or one traverse length web scan MV 43 should have the same value as CP 16 CP 17 FOLLOWER LINES PER ENGINEERING UNITS In a level wind application CP 17 is the number of Follower encoder lines that the Feedback Frequency input registers as a result of the Follower laypitch that was entered in CP 15 Ina web scanning application CP 17 is the number of Follower encoder lines that the Feedback Frequency input registers when the Follower travels one traverse length When you calculate this variable be sure to consider all gear reductions belt reductions and other types of reducers NOTE CP 17 can not be changed during Run Use the following procedure to check or find CP 17 Place the M Traverse in F Stop Activate the Home Set input clears the Follower position to zero Place the M Traverse in F Stop Display MV 44 Follower Position Jog the Follower either one laypitch CP 15 for level wind or one traverse length CP 15 for web scan MV 4 should have same value as CP 17 CP 18 PPR FOLLOWER The PPR Follower CP 18 parameter is the number of pulses per revo
142. try does not need to be exact highly inaccurate entries will make it difficult to tune the M Traverse for precision Follower profiling When you calculate this variable be sure to consider all gear reductions belt reductions and other types of reducers The factory defaults for the Follower Scaling Control Parameters are found in Table 3 4 To modify the default parameters refer to Table 3 5 If you are uncertain how to enter a Control Parameter review the Operations Keypad section Table 3 4 Default Follower Scaling Control Parameters CP Parameter Name Parameter Value CP 15 Engineering Units 0 000 CP 16 Lead PPR Reel 1000 CP 17 Follower Lines E U 1000 CP 18 PPR Follower Feedback 19 RPM Follower 2000 Table 3 5 Entering Follower Scaling Control Parameters Parameter Name Parameter Value CP 15 Engineering Units In a level wind application enter your E U measurement of one laypitch In a web scanning operation enter your E U measurement for one traverse length CP 16 Lead PPR Reel In a level wind application enter the number of Lead encoder lines that the Lead Frequency input registers as a result of one revolution of the reel In a web scanning application enter the number of Lead encoder lines that the Lead Frequency input registers as a result of one traverse length Include calculations for all gear reductions belt reductions and other types of reducers Follower encoder lines that t
143. ts APPENDIX F FAX COVER SHEET Date Atten Contrex Technical Support From Name Ext Company Telephone Fax We have M Traverses that are used for Serial Communication Hookup Yes No Brief Description of the Problem Contrex Fax 763 424 8734 We are transmitting pages including a copy of this Cover Sheet a copy of Appendix D with the User Record completed a sketch of the system that the M Traverse is integrated with 5 39 APPENDIX G WIRING DIAGRAM EXAMPLES WARNING This diagram is for conceptual purposes only Use safety equipment Make wiring connections carefully Incorrect use of equipment or connections can cause injury or death 1 2 3 4 5 ISOLATED OUTPUT 6 TO DRIVE 7 E VDC 8 VOLTAGE REFERENCE F STOP SIGNAL 9 SPEED COMMAND OUT ISOLATED COMMON ISO COMMON SHIELD M Traverse Figure G 1 M Traverse Wiring Connections without Relays WARNING This diagram is for conceptual purposes only Use safety equipment Make wiring connections carefully Incorrect use of equipment or connections can cause injury or death Line Neutral ISOLATED OUTPUT RUN TO DRIVE KR K J VOLTAGE REFERENCE F STOP F STOP SIGNAL SPEED COMMAND OUT ISO COMMON 10 ISOLATED COMMON 11 SHIELD 12 13 14 JOG a eae ie NEN o o O M Traverse
144. ublished by the National Fire Protection Association or The Canadian Electrical Code CEC Use local codes as applicable Speed Command Out J1 pins 8 9 10 11 Speed Command Out is an isolated analog output signal that is sent to the motor drive to control the speed of the motor Wire the Speed Command Out J1 pin 9 into the Speed Signal Input of the drive If the motor drive has a potentiometer speed control remove the potentiometer connections then wire the Speed Command Output to the potentiometer wiper input and wire the Voltage Reference and Isolated Common to the other two potentiometer input connections The M Traverse s isolated common should always be connected to the drive common Drive Enable J1 pin 13 Voltage Reference V 15V Max SIGNAL INPUT Speed Command Out Isolated Common DRIVE COMMON MOTOR DRIVE Figure 2 24 Speed Command Out The Drive Enable output is activated driven low when the M Traverse is signaling speed command to the motor drive The Drive Enable output is driven high relay deactivated after Power Up and during F Stop Refer to Figure 2 25 NOTE This is an open collector relay driver For specification details see Hefer ences Appendix A M Traverse Specifications Use an external DC power supply to power the relays Free wheeling diodes are incorporated internally in the M Traverse and do not need to be added externally Batch Done J1 pin 14 The Batch Done
145. ur immediately but only if the change occurs within the new constant pitch plateau of the profile Otherwise setpoint speed changes occur at Home If CP 25 is set to 2 and the traverse length is changed the change will occur immediately but only if the longer change occurs within the old constant pitch plateau and a shorter change occurs within the new constant pitch plateau of the profile and either change is in a forward direction Otherwise traverse length changes occur at Home If CP 25 is set to 2 and both the traverse length and the setpoint speed are changed then use the switches to make the changes and stay within the profile parameters listed above for setpoint speed and traverse length changes When any of the changes are not within the specified plateaus of the profile then the changes will occur when the Follower mechanism reaches Home Refer to the diagrams below Traverse Length Setpoint Changes Changes New New p Plateau Plateau New New Plateau Plateau If CP 25 is set to 3 the change will occur at the next forward or reverse dwell position However if there is no dwell position a setpoint change will occur at the start of the reverse plateau in the forward direction or at the start of the forward plateau in the reverse direction If the setpoint is changed to a slower speed this change will cause a spike which will momentarily cause an abrupt jolt to the Follower mechanism Therefo
146. ure 2 10 Setpoint Select A Setpoint Select B J3 pins 14 15 The Setpoint Select A and B inputs are used in conjunction with each other to select one of four M Traverse setpoints and traverse lengths The chart below displays these four setpoints Figure 2 11 Setpoint Select B Setpoint Select A Open Setpoint Select A Closed Setpoint Select B Setpoint 1 Setpoint 2 Open Traverse Length 1 Traverse Length 2 Setpoint Select B Setpoint 3 Setpoint 4 Closed Traverse Length 3 Traverse Length 4 Home Set J3 pins 14 16 Home Set is a momentary input that Home Set is edge triggered When Home Set is closed it sets the current position as the new position Figure 2 12 Home Set Home Seek J4 pins 1 2 Home Seek Home Seek is a momentary input that is edge triggered When Home Seek is closed the Follower makes a sustained move at Jog speed until it reaches the Home sensor As a momentary input Home Seek is J4 internally latched and does not need to be maintained by an operator device Figure 2 13 Home Seek Home Return J4 pins 3 4 Home Return is a momentary input that is edge triggered When Home Home Return Return is closed the follower returns to the established Home position As a momentary input Home Return is internally latched and does not need to be maintained by an operator device Figure 2 14 Home Return Batch Reset J4 pins 4 5 In a closed pos
147. wer Lines Per E U Follower Mode Setpoint Select A Wait Setpoint Select B F Stop Home Set Keypad Lockout Home Seek Forward Limit Home Return Reverse Limit Batch Reset Jog Forward Reverse Run Jog See Appendix C MV 53 See Appendix C MV 54 See Appendix C MV 55 See Appendix C MV 56 See Appendix C MV 57 See Appendix C CP 10 See Appendix C CP 24 Engineering units are the units of measure that you select for your setpoint scaling e g inches feet or centimeters The EPROM Erasable Programmable Read Only Memory chip is the software for the M Traverse The F Stop discrete input brings the M Traverse s speed command analog output to an immediate Zero F Stop has priority over the other operating states See Appendix C MV 42 See Appendix C MV 45 See Appendix C MV 81 See Appendix C CP 17 A complex multi drive system This is the M Traverse s primary mode of operation The M Traverse compares the profile ratio or percentage of the Follower sensor shaft feedback and Lead sensor shaft to calculate any position error When the M Traverse finds speed error the control algorithm adjusts the motor drive s Speed Command analog output and reduces the error to zero Follower Position Follower Profile Length Fwd Rev Limit Polarity Gain Hardwired Home Offset Home Sync Polarity Input Monitoring Inputs Integral Invalid Profile Jog See Appendix C MV 44 See Appendix C MV 84 See
148. with the Traverse Length parameters There are four pairs of Setpoint and Traverse Length parameters The Setpoint value is entered in Engineering Units E U s and automatically displays the decimal position that was entered in the Engineering Units CP 15 The Setpoint parameter determines how far the Follower travels based on the Lead The Follower travels the setpoint distance while the Lead travels the distance entered into CP 16 In the level wind application the Setpoint parameters are the laypitch center to center distance between windings on the reel In the web scanning application the Setpoint parameters are the traverse length These preset parameters can be set up as a Switch via the Setpoint Select switches which gives the operator the option of changing over the product up to four times CP 04 TRAVERSE LENGTH 2 The Traverse Length parameters are set up as pairs in conjunction with the Setpoint parameters There are four pairs of Setpoint and Traverse Length parameters The Traverse Length value is entered in Engineering Units E U s and the decimal position that was entered in the Engineering Units CP 15 parameter is automatically displayed The traverse length is the distance that the Follower mechanism will travel In level wind applications the traverse length is generally the length of the reel In web scanning applications the traverse length is generally the width of the web The traverse length measurement corresponds t
149. x Inc products are sold to the original equipment manufactures or integrators for inclusion in larger systems In such cases the obligations of Contrex Inc extend only to that original purchaser It is the latter s responsibility to handle any service required by his customer the end user Such problems can usually be solved by field replacement of complete units OEM s are encouraged to buy and maintain a supply of loaners for this purpose Contrex Inc will provide factory overhaul service at nominal charges to support that OEM Users of Contrex Inc products that were acquired as components of larger systems may buy service or spare parts directly from Contrex Inc at standard prices but they must appeal through the OEM for warranty service If Contrex Inc encounters trouble in the field which appears to be the result of fault or inadequacy of the system Contrex Inc reserves the right to recover service charges from the party that authorized the service activity WARRANTY Contrex Inc guarantees this device against defects in workmanship and materials for a period of one 1 year from the date of purchase Any parts or components that fail during the warranty period will be replaced or repaired without charge This guarantee is void if the device has been damaged by improper installation or operation tampering careless handling or accident When a device fails to function in accordance with standards set
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