Amada MK-110B Operation Manual
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Amada MK-110B Operation Manual

Motor-driven unit
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MOTOR-DRIVEN UNIT
MK-110B
OPERATION MANUAL
AA05OM1208909-02

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Summary of Contents for Amada MK-110B

  • Page 1 MOTOR-DRIVEN UNIT MK-110B OPERATION MANUAL AA05OM1208909-02...

  • Page 2: Table Of Contents

    MK-110B Thank you for purchasing our Motor-Driven Unit MK-110B. ・This operation manual explains its method of operation and precautions for use. ・Before using, read this operation manual carefully; after reading, save it in a proper place where you can easily access.

  • Page 3: Special Precautions

    MK-110B 1. Special Precautions CAUTION (1) Safety Precautions ！ Before using, read "Safety Precautions" carefully to understand the correct method Denotes operations and practices that of use. may result in personal injury or damage to the equipment if not correctly followed.
  • Page 4 MK-110B WARNING ！ Do not put your hands between the electrodes When welding, keep your fingers and hands away from the electrodes. Do not touch any welded part or electrodes during welding and just after welding finished The welded part of a workpiece, electrodes and electrode holder are very hot.
  • Page 5 MK-110B CAUTION ！ Do not splash water on the Unit Water splashed over the electric parts can cause electric shock and short circuits. Use proper tools (wire strippers, pressure wire connectors, etc) for termination of the connecting cables Do not cut the conductor of wire. A flaw on it can cause fire and electric shock.

  • Page 6: Precautions For Handling

    MK-110B (2) Precautions for Handling Do not install this Unit in the following: ■ ・Damp places where humidity is higher than 90%, ・Dusty places, ・Places where chemicals are handled, ・Places near a high noise source, ・Hot or cold places where temperatures are above 40°C or below 0°C, and ・Places where water will be condensed.

  • Page 7: Features

    MK-110B 2. Features  Since MK-110B is motor-driven, a piping for an air actuation is not needed, enabling an easy installation.  Owing to the motor-driven mechanism, stable electrode force is always obtained although an electrode opening (length) changes. Also, you don’t need to adjust the electrode opening finely when replacing the electrode.

  • Page 8: Name And Functions Of Each Section

    MK-110B 3. Name and Functions of Each Section (1) MK-110B Mounting surface of follw-up mechanism  Column and Base For the Unit.  Motor Cable  Feed Block Mounts the secondary conductor. 3. Name and Functions of Each Section...

  • Page 9: Controller Front

    MK-110B (2) Controller Front  Operation Button Operate the Unit by turning the button clockwise/counterclockwise or pressing TROUBLE it. By turning the button, the lamp SPEED HOLD illumination changes as shown: TIME W E L D H E A D...
  • Page 10 MK-110B ⑫ [SPEED HOLD TIME] Display Indicate the “electrode speed” and “HOLD Time after the application of weld force is completed”. The larger number indicates the faster electrode speed and the longer HOLD Time. And the lamp lights up simultaneously with other lamps as follows:...

  • Page 11: Controller Rear

    MK-110B (3) Controller Rear  [MOTOR CONTROL] Connector It is a connector for controlling a motor to drive the electrode.  I/O Connector It is for input/output of signals.  Connector for Weld Force detecting Sensor It is for inputting the weld force signal of the force follow-up mechanism portion.

  • Page 12: Installation And Connection

    Connect the grounding wire to the grounding terminal located near the grounding mark. CAUTION ！ Be sure to firmly install the MK-110B on the horizontal place before using. When the distance from welding transformer is shorter, higher work efficiency will be obtained.  Determination of Where to Install Determine where to install MK-110B, the welding power supply and welding transformer.

  • Page 13: Example Installation

    MK-110B (2) Example Installation Mounting plate of force follow-up mechanism portion Weld force detecting sensor cable Secondary conductor Positioning pin (Note 1) （Option, Note 4) Cable clamp (Note 3) Force follow-up mechanism portion (Option, Note 4) Mounting screw of force follow-up...

  • Page 14: Interface

    MK-110B 5. Interface (1) Connection Diagram of External Input/Output Signal Motor Controller External Input/Output Connector 24VDC Å -COM SCH1 SCH2 SCH4 SCH8 SCH16 +COM +COM Spare: Do not connect -COM +COM EXT.COM -COM RESET P.LOCK Spare: Do not connect STOP...
  • Page 15 MK-110B [Example of Connection] ・When contacts are used as input terminal of I/O connector Å 24VDC + C O M -COM +COM EXT.COM -COM ・When NPN transistor (sink type) on PLC is used as input terminal of I/O connector Å...

  • Page 16: Explanation Of Input/Output Signal

    MK-110B. Before selecting the schedule Input number by the operation button on MK-110B, open the circuits of all the Pins of No. 2, 3, 4, 5 and 6 in I/O Connector. Input [SCH] signal at least 2 ms before the welding current flows. During in operation, the schedule number cannot be changed.
  • Page 17 MK-110B Description Output pins for 24 V DC through 100Ω internal resistor. Input pin for start-up signal. When [1ST] is closed, electrode moves from Start Point to Mid-Point. Input When [2ND] is closed after [1ST] was closed, electrode moves from Mid-Point to Weld Point.
  • Page 18 Close at least for 2 ms. Pin 18 does not work while the circuit of Pin 18 is closed. Input pin for prohibition of setting the operation schedule. When Pin 19 is closed, the operation schedule of MK-110B cannot be set. (The schedule number can be modified.) Spare pin: Do not connect.
  • Page 19 [ERROR] Output pin for a trouble signal. ERROR When a trouble occurs in Output MK-110B, the Pin becomes OUT COM opened until it is reset. or 31 Spare pin: Do not connect. Common terminal to [READY], [START POINT], [MID POINT] and [ERROR] Do not connect to the Pin for [EXT.

  • Page 20: Operation

    External Input [2ND]. These two switches allow a variety of operations.  Position of Electrode MK-110B Electrode has five (5) positions to stop. Position Description Original Point The position where the electrode has completely returned.

  • Page 21: Mode Setting

    MK-110B ２ Ｎ Ｄ Start-up １ Ｓ Ｔ Ｏ Ｆ Ｆ SCH No SCH 1 SCH 2 Ｓ Ｃ Ｈ Input S t a r t P o i n t ( S C H 1 ) Electrode S t a r t P o i n t...

  • Page 22: Applying Power And Moving To Start Point

    MK-110B  Change of ERROR Signal Output Press the operation button while “1” blinks on [SPEED HOLD TIME] Display. Mode No. blinks on [SCH(SCHEDULE)] Display. Rotate the operation button to select “0” or “1”. ・0………means “circuit opened in case of error”...

  • Page 23: Auto-Setting Of Electrode Position

    MK-110B (4) Auto-Setting of Electrode Position The electrode position can be set automatically by means of the auto-setting function. Turn the operation button to light up [AUTO] Lamp. Press the operation button for 1 second, and [AUTO] Lamp blinks. Close External Input [1ST], and the electrode moves to Original Point.

  • Page 24: Manual Setting Of Electrode Position

    MK-110B (5) Manual Setting of Electrode Position  Selecting Schedule No. Turn the operation button to light up [SCH] Lamp. Press the operation button for 1 second. [SCH] Lamp and [SCH] Display blink. Turn the operation button clockwise and counterclockwise to select a numeral (1 to 31) on [SCH] Display.
  • Page 25 MK-110B  Changing Moving Speed between Start Point and Mid-Point Turn the operation button to light up both [READY] and [MID] Lamp. Press the operation button for 1 second. [READY] and [MID] Lamp blink. The number of blinking [SPEED HOLD TIME] Lamp indicates the current speed setting.
  • Page 26 MK-110B When you want to interrupt the operation, Press [ORG/CANCEL] button, and [MID] Lamp blinks fast. Close External Input [1ST]. The electrode returns to the previous position with beeps. In the case of Mode 1, it works by pressing the operation button in addition to External Input.
  • Page 27 MK-110B [In case that the electrode cannot move beyond Weld Point because of a workpiece] Turn the operation button until the electrode stops, and then press the operation button. Downstop Point is set 5 mm beyond Weld Point and [WELD] Lamp blinks fast.
  • Page 28 MK-110B ２ Ｎ Ｄ ２ Ｎ Ｄ Start-up １ Ｓ Ｔ Ｏ Ｆ Ｆ END Signal Ｅ Ｎ Ｄ Input Start Point Electrode Mid-Point Movement Weld Point WELD WELD START START Output Additional Pressing Time  Setting of Hold Time Turn the operation button to light up [HOLD] Lamp.

  • Page 29: Welding Work

    MK-110B  Setting Moving Speed from Weld Point to Mid-Point Turn the operation button to light up both [MID] and [WELD] Lamp. Press the operation button for 1 second. [MID] and [WELD] Lamp blink. The number of the blinking [SPEED HOLD TIME] Lamp indicates the current speed setting.

  • Page 30: Measuring Weld Force

    MK-110B After the weld force of the electrode is released, open External Input [both 1ST and 2ND]. Then, the electrode returns to Start Point. In case that External Input [1ST] is closed, the electrode returns to and stops at Mid-Point.

  • Page 31: Fault Indications

    MK-110B 7. Fault Indications When a trouble occurs at the apparatus, [TROUBLE] Lamp lights up and a fault code is shown on [SCH] Display. Closing External Input [RESET] or continuing to press the operation button can reset the fault signal.

  • Page 32: Specifications

    3-pin/2-pin conversion KPR-24(SB)-B (for 100-120 V AC) adapter for power cable *1: Exclusively for the MK-110B. Do not use for other devices. Note: For the force follow-up mechanism, the secondary conductor, the lower electrode holder, etc., consult us. 8. Specifications...

  • Page 33: Mountable Force Follow-Up Mechanism

    MK-110B (3) Mountable Force Follow-Up Mechanism Model Remarks VP-M VPW-M Twin shaft structure VPDW-M Twin shaft structure and Displacement sensor-equipped VTW-M Twin shaft structure VTDW-M Twin shaft structure and Displacement sensor-equipped VP-S VPW-S Twin shaft structure VPDW-S Twin shaft structure and Displacement sensor-equipped...

  • Page 34: Timing Chart

    MK-110B (4) Timing Chart  Power ON and Error occurring Switch of Ｏ Ｎ Apparatus Ｏ Ｆ Ｆ Ｏ Ｎ Power Supply to Motor Ｏ Ｆ Ｆ １ＳＴ or ＯＲＧ Start-up Ｏ Ｆ Ｆ Original Original Point Point Start Start...

  • Page 35: Data Communication

    MK-110B 9. Data Communication (1) Communication Specifications RS-232C: RS-232C, Asynchronous, Teletype procedure Method RS-485: RS-485, Asynchronous, Half-Duplex Transmission 9600 bps rate Start bit: --------- 1 Data bit: --------- 8 Data type Stop bit: --------- 1 Parity bit: -------- 1 (Even parity)
  • Page 36 MK-110B  RS-485 Signals of RS-485 use (RS+) and (RS-). MK-110B MK-110B Pin Ｎｏ． TRO U BLE SPEE D HOLD TIM E Host Computer REA D Y WELD HEAD CONTROL UNIT WEL D HOL D ＲＳ＋ AUT O OR G /CA N CEL...

  • Page 37: Bidirectional Communication

    When the electrode is at Start Point, the schedule data can be read or written. When the readout/overwrite command is sent from the host computer, MK-110B sends back the data. When sending the command, do not send the next command until the data are sent back or the timeout time elapses.
  • Page 38 MK-110B ・MK-110B→Host Controller Character Item Order Description Range train Communication start 01-01 Fixed (to host) 02-03 Communication ID Fixed 04-06 Schedule No. 001 to 031 07-07 Data start Fixed 00000 to 05000 08-13 nnnnn, Start Point (nnn.nn, unit in mm)
  • Page 39 MK-110B  Overwrite Command ・Host Controller→MK-110B Character Item Order Description Range train Communication start 01-01 Fixed (from host) 02-03 Communication ID Fixed 04-04 Overwrite request Fixed 05-07 Schedule No. 001 to 031 08-08 Data start Fixed 00000 to 05000 09-14...
  • Page 40 MK-110B ・MK-110B→Host Controller Character Item Order Description Range train Communication start 01-01 Fixed (to host) 02-03 Communication ID Fixed 04-06 Schedule No. 001 to 031 07-07 Data start Fixed 00000 to 05000 08-13 nnnnn, Start Point (nnn.nn, unit in mm)

  • Page 41: Outline Drawings

    (Dimensions in mm) Note: Depending on your specifications, the mounting plate of the follow-up mechanism portion and the feed block is different. The following drawing is MK-110B-00-05/00-35/00-45. MK-110B-00-05/00-35 • Mounting plate of follow-up mechanism portion, S-series • Feed block (2 pieces) •...
  • Page 42 MK-110B MK-110B-00-45 • Mounting plate of follow-up mechanism portion, S-series • Feed block (2 pieces) • Relay plate 4-M8 hole for hexagon socket head bolt (Head Mounting Hole) （62） 10. Outline Drawings 10-2...

  • Page 43: Controller

    MK-110B (2) Controller (Dimensions in mm) TROUBLE SPEED HOLD TIME WELD HEAD READY CONTROL UNIT WELD HOLD AUTO ORG/CANCEL CHECK FORCE 245.5 Connector Connector for Weld Force Motor Control detecting Sensor Cable Power Input 100 to 240 VAC 10. Outline Drawings...

  • Page 44: Example Combination

    MK-110B 11. Example Combination Reference drawings of example combination of the motor-driven unit (MK-110B), the force follow-up mechanism portion (V series) and the lower electrode holder (MK-310A) are shown below. The unit of dimension is mm. Dimensions may differ depending on specifications of electrode and holder.
  • Page 45 MK-110B [MK-110B-00-43 + VP-S + MK-310A-01] 11. Example Combination 11-2...
  • Page 46 MK-110B [MK-110B-00-07/00-37 + VT-S] 106.5 19.5 11. Example Combination 11-3...
  • Page 47 MK-110B [MK-110B-00-47 + VT-S] 11. Example Combination 11-4...
  • Page 48 MK-110B [MK-110B-00-04/00-34 + VPW-S + MK-310A-01] Note: For VPDW-S (displacement sensor-equipped type), the shape of the follow-up mechanism portion’s main body is different. Note: When combining MK-110B and VP(D)W-S, the eccentric preset holder cannot be mounted 94.5 19.5 11. Example Combination...
  • Page 49 MK-110B [MK-110B-00-44 + VPW-S + MK-310A-01] Note: For VPDW-S (displacement sensor-equipped type), the shape of the follow-up mechanism portion’s main body is different. Note: When combining MK-110B and VP(D)W-S, the eccentric preset holder cannot be mounted 11. Example Combination 11-6...
  • Page 50 MK-110B [MK-110B-00-08/00-38 + VTW-S] Note: For VPDW-S (displacement sensor-equipped type), the shape of the follow-up mechanism portion’s main body is different. 94.5 19.5 11. Example Combination 11-7...
  • Page 51 MK-110B [MK-110B-00-48 + VTW-S] Note: For VPDW-S (displacement sensor-equipped type), the shape of the follow-up mechanism portion’s main body is different. 11. Example Combination 11-8...
  • Page 52 MK-110B [MK-110B-00-08/00-38 + VBW-S] 94.5 19.5 11. Example Combination 11-9...
  • Page 53 MK-110B [MK-110B-00-48 + VBW-S] 11. Example Combination 11-10...
  • Page 54 MK-110B [MK-110B-00-01/00-31 + VP-M + MK-310A-04] 90.5 19.5 11. Example Combination 11-11...
  • Page 55 MK-110B [MK-110B-00-41 + VP-M + MK-310A-04] 11. Example Combination 11-12...
  • Page 56 MK-110B [MK-110B-00-02/00-32 + VPW-M + MK-310A-04] 120.5 19.5 11. Example Combination 11-13...
  • Page 57 MK-110B [MK-110B-00-42 + VPW-M + MK-310A-04] 11. Example Combination 11-14...
  • Page 58 MK-110B [MK-110B-00-06/00-36 + VTW-M] 120.5 19.5 11. Example Combination 11-15...
  • Page 59 MK-110B [MK-110B-00-46 + VTW-M] 11. Example Combination 11-16...

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