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CT340 and CT641

High Performance Low Cost Controller

for Rotating Cutters and Printing Rolls



Precision controller for Rotating Cutters and Printing Rolls



Easy parameter setting and immediately ready to work
with minimum commissioning time



High accuracy due to high feedback frequency range
(300 kHz with TTL encoders and 200 kHz with HTL encoders)



Extremely smooth motion by optimized S-shape profiles



High dynamic response by means of short cycle time, therefore accurate
cutting results also during change of line speed



Most compact unit including operator panel for direct access and
RS232 interface for remote access



PROFIBUS DP interface available (option)

Operating Instructions

Содержание CT340

Страница 1: ...issioning time High accuracy due to high feedback frequency range 300 kHz with TTL encoders and 200 kHz with HTL encoders Extremely smooth motion by optimized S shape profiles High dynamic response by...

Страница 2: ...nd also all country specific and application specific safety standards When this unit is used with applications where failure or maloperation could cause damage to a machine or hazard to the operating...

Страница 3: ...ter Values on the Numeric Level 14 5 5 Code Protection against Unauthorized Keypad Access 15 5 6 Return from the Programming Levels and Time Out Function 15 5 7 Reset all Parameters to Factory Default...

Страница 4: ...s 4 power transistor outputs alert CT641 Front size 96 x 96 mm 3 780 x 3 780 Cutting length setting by keypad or by front thumbwheel switches Analogue output 14 bits 4 power transistor outputs alert a...

Страница 5: ...485 interface For PROFIBUS applications our PB251 gateway is available Therefore the user has multiple possibilities for remote control of all batch and cutting parameters via operator terminals PC or...

Страница 6: ...1 K4 TxD RS232 Ana out 10V Ana out 20 mA RxD RS232 PROG X1 X2 5 A A B B 5 A A B B Cont1 Cont2 Cont3 Cont4 Reset Start Immediate Cut Cutting Pulse etc RxD TxD GND RS232 24 V DC Power supply Com K1 K4 K...

Страница 7: ...Analogue output 10V 0 10V Slave speed reference 17 Vin Power supply input 17 40 VDC or 24 VAC 18 5 2V out Aux output 5 2V 150 mA for encoder supply 19 24V out Aux output 24V 120 mA for encoder supply...

Страница 8: ...rential with inverted signal TTL inputs at a level of 3 0 to 5 volts single ended HTL signals at a 10 30 volts level alternatively differential A A B B or single ended A B only Impulses from photocell...

Страница 9: ...oming Done Alarm or Error K1 K4 are fast switching and short circuit proof transistor outputs with a switching capability of 5 30 volts 350 mA each The switching voltage of the outputs must be applied...

Страница 10: ...cceleration and deceleration torque is applied to the drive with respect to actual line speed and preset cutting length All speed transitions use self optimizing S shape profiles for minimum wear and...

Страница 11: ...eed reference of the cutting roll drive the analogue output is used The unit must receive a cutting pulse with each revolution of the cutting roll You can use an external sensor proximity switch light...

Страница 12: ...nition menu F06 e g Display scroll Immediate Cut or else 5 2 General Setup Procedure The unit changes over from normal operation to setup level when keeping the key down for at least 2 seconds Thereaf...

Страница 13: ...tual Error Return to normal operation 10 Normal operation During the general setup procedure all control activities remain disabled New parameter settings become active after return to normal operatio...

Страница 14: ...then shows negative and 1 minus one The example below shows how to change a parameter from the actual setting of 1024 to the new setting of 250 000 This example assumes that you have already selected...

Страница 15: ...tion At any time the PROG key sets the menu one level up and finally returns to normal operation The same step occurs automatically via the time out function when during a period of 10 seconds no key...

Страница 16: ...nting Direction 002 Circ Master 029 Speed Display Factor 003 PPR Master 030 Speed Display Divider 004 Circ Cutter 031 Speed Display Dec Point 005 PPR Cutter F04 Definitions for the Slave Encoder 006 T...

Страница 17: ...nction 082 Reserved 057 Reserved 083 Reserved F07 Serial communication 084 Reserved 058 Unit Number 085 Reserved 059 Serial Baud Rate 086 Reserved 060 Serial Format 087 Reserved 061 Reserved 062 Reser...

Страница 18: ...ne feed roll or the measuring wheel of the line encoder Setting in length units you decided to use 1 99999 1000 F02 003 PPR Master Pulses per revolution of the line encoder Enter the number of pulses...

Страница 19: ...error division by 8 etc 0 9 0 F02 008 Ramp Form Selects the shape of the ramps of the cutting roll speed profile 0 Parabolic s ramps recommended in general with standard servo drives 1 Linear ramps re...

Страница 20: ...100 s 3 kHz 0 033 s 10 kHz 0 010 s 30 kHz 0 003 s 100 kHz 0 001 s F02 012 Wait Time Not applicable leave at default setting 0 01 9 99 9 99 F02 013 Max Master Frequency Sets the expected maximum input...

Страница 21: ...fault F02 015 Vmax V line This setting is important only when the range of cutting lengths includes lengths shorter than the roll circumference so the roll must accelerate between two cuts The registe...

Страница 22: ...a homing cycle Setting scaled in length units 1 99999 100 F02 022 Sync Rate This register allows a percental adaption of the synchronous speed in a range of 99 99 In general this register will be set...

Страница 23: ...Encoder properties 0 3 1 0 Differential Impulses A A B B 2 x 90 incl inv 1 Single ended Impulses A B 2 x 90 without inv F03 027 Edge counting 0 2 0 0 Simple edge evaluation x1 1 Double edge evaluation...

Страница 24: ...05 039 Offset Correction Digital setting of analogue offset on correction signal 10 000 10 000 volts 0 000 F05 040 Gain Correction Digital setting of the proportional gain of the control loop Setting...

Страница 25: ...For more details about these functions see section 7 1 5 n a 6 n a 7 Store to EEPROM 8 Scroll Display 9 n a 10 Jog Trim forward 11 Jog Trim backward 12 Clear Batch Counter 13 n a 14 Read front thumbwh...

Страница 26: ...Pulse 7 Store to EEPROM 8 Scroll Display 9 Parameter Input Disable 10 Jog Trim forward 11 Jog Trim backward 12 Clear Batch Counter 13 n a 14 Read front thumbwheels model CT 641 only 15 Clear Error 16...

Страница 27: ...erator Software you must temporary set the inputs to static operation as the corresponding light boxes on the screen are not suitable to display dynamic signals Please do not forget to return to edge...

Страница 28: ...length set by the Direct Fast Access menu see chapter 5 3 is stored to EEPROM for enduring use F08 070 Display Time Update time sec for display only 0 005 9 999 0 050 F08 071 Default Display Number o...

Страница 29: ...independent on what the actual length is The subsequent cut will correspond to the preset length again unless another Flying Cut will be triggered again This function e g allows the operator to cut o...

Страница 30: ...eed register settable After termination of a Jog command the cutting roll will be held again in its new position in closed loop control When command Start is set At automatic cutting cycles the inputs...

Страница 31: ...t to on when the homing cycle is finished Reset to off when the home position is no more valid and a new homing cycle should be executed after Jog parameter set up or power down X1 9 Home Indicates th...

Страница 32: ...ow OFF OFF 3 Actual Master speed The speed display can be scaled by the two parameters F03 029 Speed Display Factor and F03 030 Speed 030 03 029 03 F F Hz frequency Master value Display If you want to...

Страница 33: ...or 1 Cut not possible The cut is not possible because the preset cutting length is too low Error 2 No Cutting Pulse The cutting pulse is missing This error will be set if no cutting pulse appears with...

Страница 34: ...shown in section 3 6 and start the OS3 x software The following screen will appear Where instead you find the mask blank with the indication OFFLINE in the top bar please click to the Comms menu and c...

Страница 35: ...ide a maximum of dynamics and response set ramps to zero switch off any integral or differential component of the internal speed control loop i e operate the drive with proportional speed control only...

Страница 36: ...the maximum speed The Slave should now move too As a next step switch the Reset to OFF by clicking to the Reset button showing actually Reset On This will activate the closed loop control Observe the...

Страница 37: ...test cuts without material see next chapter 8 5 Tuning the controller Start a homing sequence by activating input Homing The cutting roll performs a homing sequence and moves to the home position whi...

Страница 38: ...good Then just accept this visual flaw If the bar graph display and the differential counter value move up and down with the speed cycle of the cutter Try to increase the setting of register Gain Corr...

Страница 39: ...n Normally closed 9 2 Front Thumbwheel Switches Moreover the CT 641 models provide thumbwheel switches on the front panel for simple and easy setting of the cutting length This is how the front switch...

Страница 40: ...cts b AC switching capability max 250 V 1 A 250 VA DC switching capability max 100 V 1A 100 W Serial link RS232 2400 38400 Bauds Analogue outputs 0 10V load max 2 mA 0 20mA load max 270 Ohm Resolution...

Страница 41: ...T34002a_e doc Nov 15 Page 41 42 Dimensions of model CT340 96 0 3 780 110 0 4 331 44 0 1 732 10 0 394 8 0 315 91 0 3 583 9 0 345 129 0 5 079 140 5 5 531 48 0 1 890 Panel cut out 91 x 44 mm 3 583 x 1 73...

Страница 42: ...0 3 780 110 0 4 331 90 5 3 563 10 0 394 8 0 315 88 5 3 484 9 0 345 129 0 5 079 140 5 5 531 96 0 3 78 18 5 728 111 5 4 39 With optional plexi glass cover for protection class IP65 motrona part 64026 12...

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