Operating instructions

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Contents Page:

Part 4: Instructions for programming DA-Microcontrol Cl. 745-22; -23; -24

Program-Version: 745-22; -23 = 745 P08; 745-24 = 745 Q01

1. General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. Description of the Controls

2.1 Keys on the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 Internal Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.1 Display of the 745-22;-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.2 Display of the 745-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. Description of the Function Keys

3.1 Setting and Adjusting the Sewing Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2 Sewing a Seam Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.3 Setting the Piece Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.4 Selecting the Positioning Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.5 Switching the Tape Feed On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.6 Switching Tacking On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.7 Selecting the Closing Order of the Flap Clamps . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.8 Switching the Corner and Center Knives On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.9 Switching the Light Barrier On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.10 Correcting the Seam Beginning and Seam End . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.11 Correcting the Corner Knife . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.12 Tape Length when Sewing with the Light Barrier . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4. Sewing of Bias Pocket Corners (745-24)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5. Selecting the Sewing and Testing Programs

. . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6. Sewing Programs 745-22

6.1 Sewing of Simple, Dual and Asymmetrical Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.2 Sewing with Automatic Carriage Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.3 Sewing with Material Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.4 Sewing with Zipper Cutter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.5 Sewing with Zipper Cutter and Automatic Carriage Return . . . . . . . . . . . . . . . . . . . . 18

6.6 Sewing with Zipper Cutter and Material Return . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7. Sewing Programs 745-23

7.1 Sewing of Dual Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.2 Sewing of Dual Piping with Automatic Carriage Return . . . . . . . . . . . . . . . . . . . . . . 19

7.3 Sewing of Dual Piping with Material Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.4 Sewing of Dual Piping with Piping Reverser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7.5 Sewing of Dual Piping with Piping Reverser and Automatic Carriage Return . . . . . . . . . . 20

7.6 Sewing of Single Piping with Piping Reverser . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7.7 Sewing of Single Piping with Piping Reverser and Automatic Carriage Return . . . . . . . . . 21

7.8 Sewing of Asymmetrical Piping with Piping Reverser . . . . . . . . . . . . . . . . . . . . . . . 21

7.9 Sewing of Asymmetrical Piping with Piping Reverser and Automatic Carriage Return . . . . . 21

7.10 Sewing of Simple and Asymmetrical Piping without Piping Reverser . . . . . . . . . . . . . . . 22

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Summary of content (41 pages)

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Contents Page: Home Part 4: Instructions for programming DA-Microcontrol Cl. 745-22; -23; -24 Program-Version: 745-22; -23 = 745 P08; 745-24 = 745 Q01 1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. 2.1 2.2 2.3 2.3.1 2.3.2 Description of the Controls Keys on the Front Panel . . . Internal Switches . . . . . . . Display . . . . . . . . . . . . Display of the 745-22;-23 . . Display of the 745-24 . . . . . . . . . . . . . . . . . . .
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7.11 7.12 Sewing of Simple and Asymmetrical Piping without Piping Reverser with Automatic Carriage Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sewing of Simple and Asymmetrical Piping without Piping Reverser with Material Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 22 8. 8.1 8.2 8.3 Sewing Programs 745-24 Sewing of Dual Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1. General The MICROCONTROL controls of the DÜRKOPP ADLER 745-22;-23; -24 include the integrated comprehensive MULTITEST testing and monitoring system. A microcomputer assumes the control tasks, monitors the sewing process and signals operating faults and malfunctions. Special programs facilitate mechanical adjustments and make possible a rapid testing of the input and output elements without additional measuring apparatus. Errors and test results are shown in a 2 x 16 digit display.
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2. Description of the Controls 2.
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2.2 Internal Switches DIP-Schalter b417 b401 b402 on off In the control behind the display there are three pre-selector switches for setting certain machine parameters. CAUTION ! The switches are only evaluated once when the sewing unit is turned on. After changing a switch setting switch the main switch off and then on again or operate the STOP key. DIP-Switch b417: 745-22;-23 OFF ON OFF 745-24 ON b417 Function .1 .2 .3 .4 .5 .6 .7 .
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2.3 Display The Microcontrol is equipped with a 2 x 16-digit display. It shows the program number, sewing lengths, bobbin thread reserve and piece count. By operating errors or malfunctions the functions are interrupted and the cause shown by the appropriate error symbol. The operational readiness of the sewing unit is shown by having the current parameters in the display. The settings are the same as those last selected before the machine was switched off. 2.3.
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2.3.2 Display of the 745-24 With the 745-24 a symbol for the bias of the corner incisions appears in the right half of the first line of the display. Through this symbol the seamstress can establish which bias has been set for the currently selected program. The "=====" symbol, for example, denotes straight pocket corners at the seam beginning and seam end.
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3. Description of the Function Keys The values for the various functions can be set as follows: – Call up the desired function by pressing the appropriate function key. The function will be shown in the display with a blinking cursor. – Change the set value with the "+ / -" keys. – Press the same function key again. The change is completed. The unit is ready to start again. 3.1 Selecting and Changing Sewing Length With the L1, L2 and L3 keys three sewing lengths stored in memory can be selected.
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3.2 Sewing of a Seam Series With the aid of the "F" key a stored series of up to four seams can be called up. 745-22;-23:The series can be made up of any desired order of the three sewing lengths L1, L2 and L3. 745-24: The series can be made up of any desired order of the sewing lengths L1, L2, L3 and the light barrier seams LX1, LX2 and LX3. Calling up the Series – Call up the series by pressing the key "F". The series is shown in the lower display line.
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CAUTION ! The functions set with the keys only valid for the sewing program in the series mode. The settings have no effect on the sewing programm beyond the series mode. – – – 745-24: Each entry of a sewing length must be confirmed with the "Σ" key. 745-24: Programming the light barrier seam LX1, LX2 or LX3: Press the " " key until the desired light barrier seam X1, X2 or X3 appears in the display. Set the desired functions for the selected sewing lenght using the keys listed on page 9.
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3.6 Switching Tacking On/Off By pressing this key tacking is switched on and off. If the LED above the key is lit then tacking is switched on. CAUTION ! With 1.4 mm stitch length in stitch condensation tacking is generally switched off. 3.7 Selecting the Closing Order of the Flap Clamps With this key the order of the closing of the flap clamps can be set. In sewing programs P07 to P12 the order of the closing of the flap clamps cannot be set. Operating the key switches between four possibilities.
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3.9 Switching On the Light Barrier By pressing this key the light barrier is switched on. The light barrier recognizes the seam beginning and seam end on flaps. The light barrier cannot be activated in the operating modes for piping reversing and zippers. – Press the key. The lit LED above the key signals, that the light barrier is switched on. 745-22;-23: Instead of the sewing lengths L1, L2, L3, the display shows "LX".
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3.11 Correcting the Corner Knives This key calls up the correction function for the corner knives at the seam beginning (MA) and the seam end (ME). The correction can be made for the sewing lengths L1, L2, L3 as well as for the light barrier seams LX (745-22;-23) and LX1, LX2 and LX3 (745-24). – Press the function key. The set values for MA and ME will be shown in the display. – Increase or decrease the value for MA in steps by pressing the "+/-" keys.
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4. Sewing of Bias Pocket Corners (745-24) The bias pocket corners result from the offset between the left and the right seam row. The desired seam offset is programmed separately at the control unit for the seam beginning (BR,BL) and the seam end (ER,EL). If all parameters are set to the median value "10", then a straight pocket results. Parameters for the programming of the bias pocket corners: Seam beginning Seam end BR 1 ... 10 ... 20 ER 1 ... 10 ... 20 Right seam Left seam 1 ... 10 ... 20 BL 1 ...
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Display example: Straight pocket corners BL = Beginning-left needle BR = Beginning-right needle ER = End-right needle EL = End-left needle Selected sewing distance Programming the bias of the pocket corners: – – – – Simultaneously press the key for the desired sewing distance (L1, L2 or L3) and the " " key. For selecting a light barrier seam: Press the " " key until the desired light barrier seam LX1, LX2 or LX3 appears in the display. Simultaneously press the " " and the " " keys.
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5. Selecting the Sewing and Testing Programs The sewing and testing programs listed below can be selected with the "Program" preselector switch. – Set the "Program" switch to the desired program. – Switch on the main switch or press the key "STOP". The desired program is activated. – If the symbol "P?" appears in the right half of the first display line, then an illegal program number was selected. A sewing procedure running at the time the "STOP" key was operated will be cancelled.
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6. Sewing Programs 745-22 6.1 Sewing of Simple, Dual and Asymmetrical Piping – – – – – – – – – – Turn the DIP-Switch b417.7 in switch setting "OFF". Turn on main switch. "<---REF" appears in the lower display line. Step back on the left pedal. The transport clasps are raised. The transport carriage runs to its rear position. The display signals start readiness by showing the current parameters (see display example 1).
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6.4 Sewing with Zipper Cutter – – – In – – – – Turn the DIP-Switch b417.7 in switch setting "OFF". Set the "Program" switch to "04". Press the "STOP" key. The program is activated. contrast to P01: After sewing the sewn zipper is cut off. The material is generally placed at the rear positioning point. The shortest sewing length is 75 mm. The light barrier cannot be activated. 6.5 Sewing with Zipper Cutter and Automatic Carriage Return – – – Turn the DIP-Switch b417.7 in switch setting "OFF".
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7. Sewing Programs 745-23 7.1 Sewing of Dual Piping – – – – – – – – – – Turn the DIP-Switch b417.7 in switch setting "ON". Turn on main switch. "<---REF" appears in the lower display line. Step back on the left pedal. The transport clasps are raised. The transport carriage runs to its rear position. The display signals start readiness by showing the current parameters (see display example 1). The settings correspond to the last settings selected before the machine was turned off.
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7.4 Sewing of Dual Piping with Piping Reverser – – – Turn the DIP-Switch b417.7 in switch setting "ON". Set the "Program" switch to "07". Press the "STOP" key. The program is activated. In contrast to P01: – After the corner incision the pipings are reversed and the material overlaps are drawn through the incision. – The light barrier and the flap clamp cannot be activated. – Only one sewing length L1 can be activated. 7.
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7.7 Sewing of Simple Piping with Piping Reverser and Automatic Carriage Return – – – Turn the DIP-Switch b417.7 in switch setting "ON". Set the "Program" switch to "10". Press the "STOP" key. The program is activated. In contrast to P09: – After stacking the transport clasps are automatically run back to the feed area. 7.8 Sewing of Asymmetrical Piping with Piping Reverser – – – Turn the DIP-Switch b417.7 in switch setting "ON". Set the "Program" switch to "11". Press the "STOP" key.
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7.10 Sewing of Simple and Asymmetrical Piping without Piping Reverser – – – – Turn the DIP-Switch b417.7 in switch setting "ON". Set the "Program" switch to "13". Press the "STOP" key. The program is activated. The running of the program is suitable to sewing program P01. 7.11 Sewing of Simple and Asymmetrical Piping without Piping Reverser with Automatic Carriage Return – – – – Turn the DIP-Switch b417.7 in switch setting "ON". Set the "Program" switch to "14". Press the "STOP" key.
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8. Sewing Programs 745-24 8.1 Sewing of Dual Piping – – – – – – – – – Turn on main switch. "<---REF" appears in the lower display line. Step back on the left pedal. The transport clasps are raised. The transport carriage runs to its rear position. The display signals start readiness by showing the current parameters (see display example 1). The settings correspond to the last settings selected before the machine was turned off. Set the "Program" switch to "01". Press the "STOP" key.
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9. Aid Programs 9.1 Center Knife Adjustment Program P40 alters the incision of the center knife. If a higher value is selected the incision moves to the outside at the seam beginning and at the seam end. With a smaller value the incision moves in the seam. – – – Set the "Program" switch to "40". Press the "STOP" key. The program is activated. The lower left display line shows the current value for the center knife incision. Correct the set value with the "+/ -" keys. 9.
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9.4 Testing the Piping Reverser for Dual Piping (745-23) Program P43 corresponds to sewing program P07. During the reversing procedure there is a stop after each step. – – – – Set the "Program" switch to "43". Press the "STOP" key. The program is activated. After the first step of the draw-through procedure the process is stopped. By pressing the "+" key the process is continued to the next stop point. 9.
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10. Setting Programs 10.1 Testing the Positioning Procedure for Dual Piping (745-23) Program P46 serves to test the positioning procedure for dual piping. – – – – – – Set the "Program" switch to "46". Press the "STOP" key. The program is activated. A reference run is conducted. Press the pedal. The transport carriage runs to the feed station. The positioning procedure is run through as in a sewing program. Then the display shows the symbol "<---".
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10.4 Testing the Zipper Cutter (745-22) Program P52 can start a zipper cutter cutting sequence. – – – – – Set the "Program" switch to "52". Press the "STOP" key. The program is activated. Press the "Σ" key. The zipper cutter cutting sequence is started. If the transport carriage is not in its rear position, this is shown by the symbol "<---". Step back on the left pedal. The transport carriage runs to the rear. 10.
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10.6 Testing the Positioning Procedure for Simple Piping (745-23) Program P54 serves to test the positioning procedure. – – – – – – Set the "Program" switch to "54". Press the "STOP" key. The program is activated. A reference run is conducted. Press the pedal. The transport carriage runs to the feed station. The positioning procedure is run through as in a sewing program. Then the display shows the symbol "<---". Run the transport carriage into the rear position by tapping the "Σ" key.
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10.8 Setting the Material Strip Reverser (745-23) – – – – – Set the "Program" switch to "56". Press the "STOP" key. The program is activated. Press the "Σ" key. The material and piping reverser is switched on and off. If the transport carriage is not in its rear position, this is shown by the symbol "<---". Step back on the left pedal. The transport carriage runs to the rear.
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11. Testing Programs 11.1 Program Version and Check-Sum Display – – Set the "Program" switch to "00". Press the "STOP" key. Das Program ist activated. In the lower display line the program version and a check-sum appear. e.g.
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11.3 Checking the Serial Interface Program P58 checks the SIO module of the controls. – – – Plug the SIO test plug into the socket b109 on the main circuit board. The test plug links the transmitter with the receiver. This makes a loop test possible. Set the "Program" switch to "58". Press the "STOP" key. The program is activated.
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11.5 Continuity Check Program P60 checks to see if the 24V current supply supplies current when the output drivers are shut off. Then the program checks all existing output elements (including output drivers and installation) for continuity. – – Set the "Program" switch to "60". Press the "STOP" key. The program is activated.
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Key Function Symbol Indicator b814 Positioning point forward LED b815 Set counter Display b816 Minus b817 Plus b818 Center and corner knives on / off LED / LED b819 Order of closing of the flap clamps LED / LED b820 Tacking on / off LED b821 Tape feedon / off LED b822 Light barrier on LED / Display b823 Tape length when sewing with light barrier Display b824 Correction the corner knife Display b825 Correction of seam beginning and seam end Display b826 Sewing of seam s
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11.8 Selecting Input Elements CAUTION ! All input elements have been carefully set at the factory. Adjustment and correction may only be undertaken by trained service personnel. Program P63 serves for setting the input elements. – – – – – Set the "Program" switch to "63". Press the "STOP" key. The program is activated. Set the "Program" switch to the code number of the desired input element. The short designation in the circuit diagram acts as the code number (see table).
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11.9 Selecting Output Elements Caution Risk of Injury ! During the function testing of the output elements do not reach into the running machine. Program P64 checks the function of the output elements. – – – – – Output Element s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 s17 s18 s19 s20 s21 s22 s23 s24 s25 s26 s27 s28 s29 s30 s31 s32 Function Move the transport carriage at a distance of 50 mm to its rear end position by hand. Set the "Program" switch to "64". Press the "STOP" key.
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11.10 Sewing Drive: Pedal Operation After the program P65 is activated the unit can be operated with revolutions selected via the pedal. – – – – Set the "Program" switch to "65". Press the "STOP" key. The program is activated. Step forward on the pedal. The drive runs at those revolutions corresponding to the pedal position. After a few seconds the right half of the first display line shows current revolutions (actual revolutions of the machine head). Bring the pedal to the neutral position.
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11.12 Positioning the Machine Head in the 1st Needle Position Operation of the program P67 is as described under program P66. – – Set the "Program" switch to "67". Press the "STOP" key. The program is activated. In contrast to P66: – The machine head is positioned in the 1st needle position (needle down). The slots in the synchronizer for the two needle positions must be opposite each other. 11.
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12. Function Displays and Error Messages 12.1 Displays for Operating Aids Display Explanation Remedy P? 745N06 <----REF Illegal program selected Display of the program version Carriage not in rear position when switched on (reference run) Sewing sequence interrupted, run carriage to rear Run carriage to rear Entry of a new series is expected Illegal sewing length selected (e.g.
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12.
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12.3 Error Messages Display Explanation DISP-Err ERROR 0 ERROR 2 ERROR 3 ERROR 4 ERROR 5 ERROR 6 ERROR 7 ERROR 8 ERROR 9 ERR B..
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13. Step Motor Output 13.1 Programing Switches on the Front Caution Current ! The three gravity switches are not to be adjusted when under current. Before adjustment the main switch must be turned off. – – The three gravity switches for step count and current reduction must be open. The dial must be in position C. 13.2 Displays on the Front The five LEDs on the step motor card show operating status and malfunctions.