Fagor NC-200 PB Installation Manual
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Fagor NC-200 PB Installation Manual

Fagor NC-200 PB Installation Manual

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FAGOR NC-200 PB
NC FOR
PRESS BRAKES
INSTALLATION MANUAL
Manual version: 0111

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Summary of Contents for Fagor NC-200 PB

  • Page 1 FAGOR NC-200 PB NC FOR PRESS BRAKES INSTALLATION MANUAL Manual version: 0111...

  • Page 2: Table Of Contents

    Safety conditions ....................5 Warranty terms ....................7 Material returning terms ..................8 Description of the different models (they may be selected with PAR64) ....9 Diagram of a typical press brake ............... 10 Unit description ................11 Front panel (See operation manual) .............11 Rear panel ..................11...
  • Page 3 Appendix ......................57 Error codes ......................57 Maintenance......................58 Warning: Before starting up the DRO, carefully read the instructions of Chapter 2 in the Installation Manual. The DRO must not be powered-on until verifying that the machine complies with the "89/392/CEE" Directive.

  • Page 4: Declaration Of Conformity

    ENV 50140 Radiofrequency Radiated Electromagnetic Fields. ENV 50141 Conducted disturbance induced by radio frequency fields. As instructed by the European Community Directives on Low Voltage: 73/23/EEC, on Machine Safety 89/392/EEC and 89/336/EEC on Electro- magnetic Compatibility. In Mondragón, on April 1st, 2001...

  • Page 5: Safety Conditions

    AC power. Use proper Mains AC power cables To avoid risks, use only the Mains AC cables recommended for this unit. Avoid electrical overloads In order to avoid electrical discharges and fire hazards, do not apply electrical...
  • Page 6 It is recommended, whenever possible, to instal the DRO so its power switch of the back panel is at a distance between 0.7 m (27.5 inches) and 1.7 m (5.6 ft) off the floor and away from direct sunlight, hot air, coolants, chemical products, blows as well as from relays, or high electromagnetic fields (about 0.5m or 20 inches) that could damage it.

  • Page 7: Warranty Terms

    FAGOR. If once the service call or repair has been completed, the cause of the failure is not to be blamed the FAGOR product, the customer must cover all generated expenses according to current fees.

  • Page 8: Material Returning Terms

    If not available, pack it as follows: 1.- Get a cardboard box whose three inside dimensions are at least 15 cm (6 inches) larger than those of the unit. The cardboard being used to make the box must have a resistance of 170 Kg (375 lb.).

  • Page 9: Description Of The Different Models (They May Be Selected With Par64)

    (THEY MAY BE SELECTED WITH PAR64) A. Controlling only the final position of the bend. The foot switches and the hydraulic circuit are not controlled by this NC. The intermediate positions of the ram are detected by electrical microswitches. A1. Same as model "A" with footswitch treatment and outputs for governing the hidraulic valves for the 4 EXECUTION modes.

  • Page 10: Diagram Of A Typical Press Brake

    DIAGRAM OF A TYPICAL PRESS BRAKE Page: 10 - Installation Manual - NC-200 PB...

  • Page 11: Unit Description

    This unit is especially designed to be used on punch presses. It allows displaying the position of the X and Y axes, controlling them as well as the raising device (H), editing and executing part programs etc. The axes may also be moved manually from the dro keyboard or externally with footswitches.

  • Page 12: General Technical Characteristics

    The operating temperature inside the DRO enclosure must be between 5º C and 45º C (41ºF and 113ºF). The storage temperature inside the DRO enclosure must be -25º C and +70º C (-13º F and 158º F). Maximum relative humidity: 95% non condensing at 45ºC (113ºF).

  • Page 13: Connections And Characteristics

    Not being used at this time Not connected Not being used at this time Not connected Not being used at this time Chassis Shield * They depend on the type of feedback and may not be connected NC-200 PB - Installation Manual - Page: 13...

  • Page 14: Input/Output Characteristics (X2)

    2.2 INPUT/OUTPUT CHARACTERISTICS (X2) A 37-pin female connector is used. Signal characteristics of connector "X2": The supply voltage is at +24V (±25%), thus the threshold between a "0" and a "1" will be about +6V. Characteristics of the inputs at 24V :...

  • Page 15: Input/Output Connection (X2)

    The inputs are active high at 24V (PAR21 and PAR22 = 1..1). Pin 18 may be configured as an analog input with a 0V to +10V range. When installing a linear potentiometer, it should be supplied with the 5V from the digital feedback devices (pin 5 of X3, X4).
  • Page 16 2, 3, 4 - Incremental feed with the pitch set by PAR 32 5-position BCD 14, 33, selector in MANUAL 5 - Y axis disable in EDITOR / TEACH-IN mode. It only displays it. It mode - PAR32 allows withdrawing the punch by external means in "C" mode. Semiautomatic in EXECUTION mode...

  • Page 17: Output Description

    Model B At all models, it is reset with : I32 (A, A1) or Y = e (B, C) at the beginning of the bend if SLOW approach. attribute B Section 2.3.4 I15 when exceeding the bending pressure...

  • Page 18: Input/Output Connection

    2.3.3 INPUT/OUTPUT CONNECTION 2.3.3.1 INPUT/OUTPUT CONNECTION. MODEL A Without footswitch connection or ram controlling outputs. USER LIMIT LIMIT FREE LIMIT LIMIT EMERGENCY Page: 18 - Installation Manual - NC-200 PB...

  • Page 19: Input/Output Connection. Model A1

    2.3.3.2 INPUT/OUTPUT CONNECTION. MODEL A1 With footswitch connection. Manual control and ram controlling outputs. USER LIMIT LIMIT FOOTSWITCH "BEND" FOOTSWITCH "RETRACT" LIMIT LIMIT EMERGENCY NC-200 PB - Installation Manual - Page: 19...

  • Page 20: Input/Output Connection. Model B

    2.3.3.3 INPUT/OUTPUT CONNECTION. MODEL B With footswitch connection. Manual control and ram controlling outputs. USER LIMIT LIMIT FOOTSWITCH "BEND" FOOTSWITCH "RETRACT" LIMIT LIMIT EMERGENCY Page: 20 - Installation Manual - NC-200 PB...

  • Page 21: Input/Output Connection. Model C

    2.3.3.4 INPUT/OUTPUT CONNECTION. MODEL C With footswitch connection and manual control. USER LIMIT LIMIT FOOTSWITCH "BEND" FOOTSWITCH "RETRACT" LIMIT LIMIT EMERGENCY NC-200 PB - Installation Manual - Page: 21...

  • Page 22: Block Change Synchronism. Models A, A1

    I13 before the delay is over. b2 If D = 0, after the PAR29 delay. b3 If the delay is over (PAR29 + D), it forces it to go to the next block without waiting for I13. In the "b1" and "b2" modes, I13 resets the timer and O28.
  • Page 23 1- Pressure analog input P ar64 (7) = 0 Analog Input (A) IN_POS O29 B E N D R E T U R N O 2 8 CHANGE I13 BLOCK P ar64 (6) = 1 2- Pressure analog output P ar64 (7) = 1...

  • Page 24: Block Change Synchronism. Model B

    2. In the change position, Y= PAR33 or programmable, the SLOW speed is activated with the "BEND" footswitch. 3. When pinching the sheet metal, Y = thickness, it resets O29 to wait for the return of the X axis. 4. Once the programmed bending depth has been reached, the auxiliary feedback Y compares the difference Y -Y' <...
  • Page 25 ·I15 I35 in EXEC. RUN1, RUN2 RAM DOWN MANUAL-SET ·I35 JOG BEND footswitch X, Y axes IN POSITION. To enable O29, O9 O28 X + Y in STOP Cut off valve motion MANUAL CONTROL STATION I15 Begin bend FOOT CONTROL...

  • Page 26: Machine Reference (Home) Search

    PAR14 establishes how the machine reference (home) search is to be carried out. All models perform this home search in the positive direction. The X axis usually has a travel limit switch: PAR 14 bit 1 = 0 and a rotary encoder. The home searching sequence is as follows: ·...

  • Page 27: Y Axis Reference (Home) Search. Models A And A1

    2.4.2 Y AXIS REFERENCE (HOME) SEARCH. MODELS A AND A1 a- If the machine has travel limit switches, the home search procedure is the same as the one described for the X axis; but it is only enabled if I13 = 1, ram at top dead position.

  • Page 28: Y Axis Home Search. Model "B

    2.4.3 Y AXIS HOME SEARCH. MODEL "B" Usually, this axis has home switches on UP-STROKE models. · Position the table or the ram at the far-end position activating the limit switch I13. · Press . The led turns on. · Select the axis.

  • Page 29: Y Axis Home Search. Model "C

    (real) position of the ram using foot switches. It usually has travel limit switches. If PAR00 bit 6 = 0, has been set for a linear encoder with a regular reference mark (without distance-coded reference marks), the homing procedure is the same as described in section 2.4.2 (a)

  • Page 30: Precautions When Home Searching

    The Y axis tries to recover a position within the software limits with the risk of exceeding the limits of the worm gear mechanism. As a precaution, make sure that the ram is in the upper area (I13 = 1) to make the home search sequence possible.

  • Page 31: Rs-232-C Connection (Connector X7)

    The RS-232-C serial communications line uses a 9-pin male SUB-D type connector. Parameter PAR90 sets the transmission speed through this line. See section 3.5 in this manual. The operating mode for this feature is described in chapter 5 of the Operating Manual. Signal Function...

  • Page 32: Power And Machine Connection

    - If the unit is powered down with its rear panel switch or there is a power outage without previously having pressed , this NC will keep the last position of the axes for at least 30 minutes.

  • Page 33: Installation Parameters

    . If it affects the axes, press the corresponding axis key to modify it. . If it is a general parameter, the X display will show its current value. . The LCD display will show the description of the parameter and its number.

  • Page 34: Parameter Setting

    The LCD display will shows the parameter number and a short description. . If it is a general parameter, its value is only shown on the first display. . If it is an axis parameter, each axis display will show its current value.
  • Page 35 Binary values (1/0) are displayed in an 8-digit row identified as 1 through 8 from right to left. PARA- METER FUNCTION PAR00 Feedback configuration, different per axis. Binary type. This parameter sets the specific characteristics of the feedback device (rotary or linear encoder) used to read the axis position.
  • Page 36 Not being used at this time. It must be set to "0" Type of feedback signals (0 = TTL) This bit must be set to "0". A value of "1" will be ignored. Counting direction (0 = normal, 1 = reverse) Regulation for press brakes: X axis retraction in the positive direction.
  • Page 37 For example: For standard Fagor linear encoders with squarewave signals (without "O" or "P") e.g.: MX, CT, CX, etc. it must be set to "1". For Fagor linear encoders with squarewave signals and distance- coded reference marks (models with "O"), eg.: MOX, COX, etc.
  • Page 38 Absolute value set on each axis at the end of the home search. On press brakes, it coincides with (see section 2.4): On the X axis: the distance from the center of the die to the support side of the X carriage.
  • Page 39 If = 0, The selected axis moves in rapid in the positive direction up tot home switch and returns at slow speed until detecting the home pulse. If = 1, the home position is floating. When pressing , it requests the password (719200).
  • Page 40 PAR21 Indicates the active level of the first 8 inputs. By default, they are set to "1" meaning that they are activated with 24V. Digit 33 BCD 2 14 BCD 32 Retract X axis / Feed in forced mode. 13 Go to next block...
  • Page 41 PAR25 In-position zone. It is the distance before and behind the point where the axis is considered to have reached its target position. (Model B). On up-stroke machines, it represents the maximum deviation allowed between the Y axis position and that of its associated linear encoder or potentiometer to confirm the end of the bend.
  • Page 42 Possible values: between 0 seconds to 9.9 seconds. It may be forced from the editor. It is referred to as the "d" attribute. PAR30 Default value of the delay applied to the X axis movement before the next positioning move (only if when moving towards X-).
  • Page 43 (according to PAR01). For example, if the resolution selected in PAR01 is 5 microns and with the switch set to position 4 the axis is to be moved 500 microns (0.5 mm) every time are pushed, PAR32.3 must be assigned the value of 100.
  • Page 44 "BEND" foot switch. Possible values: between 0.1 seconds and 9.9 seconds. If = 0, the signal stays active until the pressure gage signal is received at pin 15 of connector X2 or the programmed level is exceeded. The output is canceled if there is a backwards movement of the X axis in the bending stage.
  • Page 45 Not being used at this time. It must be set to "0". Use analog voltage for feedrate. Sign of the positive movement. Change it if the axis does not get in position. Bipolar voltage for speed. NC-200 PB - Installation Manual - Page: 45...
  • Page 46 Value range: Between 0 and 10V. PAR50 Language selection for the messages appearing on the LCD display. 0 = English; 1 = Spanish; 2 = German; 3 = French; 4 = Italian; 5 = Portuguese; 6 = User defined. PAR51 Digits If =1, the EDITOR no longer shows the "attributes"...
  • Page 47 Press brake model definition digit Not being used at this time. It must be set to "0". If = 0, pin 18 of connector X2 is selected as the analog input for the PRESSURE/VOLTAGE gage or potentiometric scale. Both options are incompatible.
  • Page 48 Not being used at this time. They must be set to "0". Only for the "B" model. If = 0, the feedback device for the ram/table position is a linear encoder. If = 1, the feedback device for the ram/table position is linear potentiometer.

  • Page 49: Operation With The Rs-232-C Serial Line

    4.1. SAVING AND RESTORING DATA With this NC, it is possible to save data into a PC or peripheral device and later restore it by using the RS-232-C serial communications line. This data is sent out in the following format: Baudrate as set by PAR90, 8 data bits, 1 stop bit and no parity.

  • Page 50: Setup

    The message display offers four options that may be selected with INPUT- Testing inputs <In> · The 1st line shows 0's and 1's indicating the status of inputs I1 through I8 from right to left. · The 2nd line shows the status of inputs I9 through I15.
  • Page 51 Analog input / outputs <Ana> In this mode, it is possible to force a value to the analog outputs in order to move the axes and set reference values in parameters PAR44 through PAR48. · Select the axis The enable signal of the relevant axis is activated.
  • Page 52 1st line displays "PULSES 1" and when selecting the axis, it displays "PULSES 2". Moving the axis by hand far enough to detect the I0 twice, the 2nd line will show the number of pulses per turn x PAR01 x PAR02. DATE The 1st line shows the software version and the 2nd line its release date, day, month, year.

  • Page 53: Direct Access To The Parameters

    · Press [22] to go to PAR22. By default, all the digits are set to "1" indicating that the inputs recognize a "1" when activated with 24V. · If parameter PAR22(7) has been changed to "0", press to force a "1". This cancels the external emergency even when the emergency input I15 is not connected.

  • Page 54: Axis Setting

    AXIS SETTING These sections describe the most common criteria to achieve a good response when positioning the axes with the proper accuracy and repeatability in the three ways to close the loop. Each one refers to the affected parameters. 5.2.1 OPEN LOOP WITHOUT ANALOG VOLTAGE OUTPUT.

  • Page 55: Open Loop With Analog Voltage Output. Par46(3)=1, Par46(5)=0

    If the axis is forced to get out of the in-position zone, the enable signal and the analog voltage for the slow speed are activated to restore the programmed coordinate.
  • Page 56 Parameters PAR40 through PAR49 with very high ranges make it possible to distinguish the up and down response and compensate for any lack of linearity of the hydraulic circuits that activated the drain valves in the slow range of the bending stage.

  • Page 57: Appendix

    Error 02 The unit has been turned off without previously pushing the [ON/OFF] key. It will only lose the position count (will be reset to zero) and the status of the operating modes (inch, abs, etc.). Error 04...

  • Page 58: Maintenance

    PAR08(2) = 1. All outputs are deactivated If the NC does not come on or goes out while running, check that the voltage and ground outlets are as they should be. If an axis does not count, disconnect the feedback connectors one by one.

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