Inovance MD330 User Manual
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Inovance MD330 User Manual

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Tension Control Inverter
MD330
User Manual
VER:0.0

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Summary of Contents for Inovance MD330

  • Page 1 Tension Control Inverter MD330 User Manual VER:0.0...

  • Page 3: Table Of Contents

    Contents Chapter 1 Overview ................1 Chapter 2 Tension Control Principles............2 2.1 Schematic diagram for typical curling tension control.....2 2.2 Tension control scheme............3 Chapter 3 Function Parameter Table ............7 Chapter 4 Parameter Description ............20 4.1 Selection of Control Mode ............ 20 4.2 Tension setting ..............

  • Page 5: Chapter 1 Overview

    When the tension control mode is set as inactive, the inverter has the same functions are the MD320. MD330 is used for curling control. It can automatically calculate the curling radius and is able to realize constant tension when the curling radius changes.

  • Page 6: Chapter 2 Tension Control Principles

    Chapter 2 Tension Control Principles Chapter 2 Tension Control Principles 2.1 Schematic diagram for typical curling tension control Carry-over pinch roll Wind up Fig.1 without tension feedback Carry-over pinch roll Float Wind up Fig.2 With float roll tension feedback...

  • Page 7: Tension Control Scheme

    2.2 Tension control scheme There are two ways for tension control: to control the output torque of the motor and to control the rotation speed of the motor. MD330 is designed with two tension control modes for the two methods.
  • Page 8 Chapter 2 Tension Control Principles 1) Tension setting part: It is used to the set the tension. In practice, the set value of the tension shall correspond to the actual situations, such as the materials used and the curling requirements. The relevant value shall be set by the user.
  • Page 9 Chapter 2 Tension Control Principles any of the following three modes: speed sensorless vector control, speed sensor vector control, and V/F control. The principle for the control mode is as follows: calculate a set value for the matching frequency, f1, according to the material line speed and the actual curling radius, conduct PID operation through the tension (position) detection signal to generate a frequency adjustment value f2, and then output the final frequency f=f1+f2.
  • Page 10 Chapter 2 Tension Control Principles to calculate the matching frequency according to the line speed (as described above) and to calculate the curling radius through the line speed. 3) Curling radius calculation part: It is used to calculate the actual curling radius.

  • Page 11: Chapter 3 Function Parameter Table

    Chapter 3 Function Parameter Table Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value Control mode selection 0: inactive 1: Open-loop torque control mode 2: Close-loop speed control FH-00FH Tension mode × control mode 3: Close-loop torque control...
  • Page 12 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value 0: Not allowed Active inverse material take-up Selection of allowed FH-02FH inverse during startup ○ take-up during 1: allowed roll-down Active inverse material take-up is allowed during startup mechanical...
  • Page 13 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value maximum FH-06 0N~30000N × tension Zero-speed FH-07 tension 0.0%~50.0% 0.1% 0.0% ○ increase 0.0~20% zero-speed FH-08 ( maximum ○ threshold frequency) FH-09FH tension taper 0.0%~100.0% 0.1% 0.0%...
  • Page 14 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value FH-12~FH-15 initial curling setting FH-13 × radius source 1: AI1 setting 2: AI2 setting 3: AI3 setting FH-14FH initial curling 1mm~10000mm 100mm ○ radius 1 initial curling FH-15...
  • Page 15 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value 0: Digital setting Material 1: AI1 setting FH-21 thickness ○ 2: AI2 setting setting source 3: AI3 setting FH-22FH Material 0.01mm~100.00 0.01 0.01mm ○...
  • Page 16 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value minimum line 0.10m/Min~6500. 0.1m/ 200.0m/ speed for FH-29 ○ curling radius 0m/Min calculation Actual line 0.10m/Min~6500. ―― FH-30 ――― ○ speed 0m/Min ― Tension compensation part compensation FH-31FH...
  • Page 17 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value friction FH-36 0.0%~50.0% 0.1% 0.0% ○ compensation coefficient material supply interrupt auto detection parameters material supply interrupt auto FH-37FH 0: inactive detection × 1: active function selection...
  • Page 18 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value differential time 0.001 FH-43 0.000s~1.000s 0.000s ○ 0: Only the first group of PID parameters are used 1: Adjust auto according to the adjustment curling radius FH-44...
  • Page 19 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value 0: FH-09 setting tension taper 1: AI1 setting FH-48 source ○ 2: AI2 setting selection 3: AI3 setting tension close FH-49FH loop control 0.0%~100.0% 0.1% 50.0%...
  • Page 20 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value external taper control FH-54 maximum 0.0%~100.0% 0.1% 100.0% ○ output digital setting pre-drive 0: calculate curling radius FH-55 1: stop ○ calculation calculation selection curling radius calculation...
  • Page 21 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value tension taper 0: taper effective effectiveness FH-60 selection for 1: taper ○ close loop ineffective tension control input/output selection BIT13: curling operation F7-04F7- radius display BIT14: tension...
  • Page 22 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value 12: external taper control output 13: curling radius output: F5-07~F5 0%~100% analog output -09F5-07 corresponds to selection ~F5-09 0~maximum curling radius 14: actual tension (after taper calculation) DI1 terminal...
  • Page 23 Chapter 3 Function Parameter Table Mini Leave-fa Function Chan Name Set range ctory set code unit value DI6 terminal F4-05 × function selection DI7 terminal F4-06 function × selection DI8 terminal F4-07 function × selection DI9 terminal F4-08 function × selection DI10 terminal F4-09...

  • Page 24: Chapter 4 Parameter Description

    Chapter 4 Parameter Description Chapter 4 Parameter Description 4.1 Selection of Control Mode 0: inactive 1: Open-loop torque control mode 2: Close-loop speed control Tension FH-00 mode control mode 3: Close-loop torque control mode 4: Constant line speed control mode 1.
  • Page 25 Chapter 4 Parameter Description The inverter controls output torque through PID close-loop to enable the set tension is met. The inverter controls output torque through close-loop vector control mode (with speed sensor vector control). 5) Constant line speed control mode: A special application to realize constant line speed control without PID adjustment, which is more stable than general close-loop control and applicable to the field requiring smooth operation rather than fast line speed adjustment.
  • Page 26 Chapter 4 Parameter Description forward/reverse running commands. Note: During the roll-down control, the direction of the force is opposite to the running direction of the system. For the no-load operation, the running direction is also opposite to the direction of normal roll-down. 0: Not allowed Active inverse material take-up Selection of...

  • Page 27: Tension Setting

    Chapter 4 Parameter Description 4.2 Tension setting This part is only related to the open-loop torque mode. The close-loop speed mode is set through PID setting source. Please refer to the description of FA function code in MD320 User Manual. 0: FH-05 setting 1: AI1 setting Tension...
  • Page 28 Chapter 4 Parameter Description the tension through communication address 1000H, FH-04 shall be set to 5 and 1000H shall be set between 0 and 10000, which shows the maximum tension is between 0% and 100%. 0N~30000N Tension FH-05-0 setting When FH-04 is 0, the tension controlled by inverter is determined by the parameter.

  • Page 29: Curling Radius Calculation

    Chapter 4 Parameter Description FH-09 tension taper 0.0%~100.0% 0.0% The parameter is only used for wind-up control. For the wind-up control, sometimes, it is needed to reduce the tension while increasing the curling radius to ensure a good curling of the material. Formula of tension taper: F=F0*{1-K*[1-(D0+D1)/(D+D1)] } Wherein, F is the actual tension, F0 is the setting tension, D0 is the...
  • Page 30 Chapter 4 Parameter Description 0: calculation through line speed curling 1: Calculation through radius thickness accumulation FH-10 calculation 2: AI1 input method 3: AI2 input selection 4: AI3 input 5: pulse input 0: Calculate based on line speed: Refer to the following description of line speed input for the resource of line speed.
  • Page 31 Chapter 4 Parameter Description When curling radius source FH-10 selects 2, 3, 4, 5, the parameter must be set. The maximum input corresponds to the maximum curling radius. When the inverter calculates its curling radius, the calculation will be limited by the parameter. winding shaft FH-12 1mm~10000mm...
  • Page 32 Chapter 4 Parameter Description 32(select terminal 1 as initial curling radius) and DI4 port parameter to 33(select terminal 2 as initial curling radius). The selection of initial curling radius is as follows: Initial curling radius source Determined by FH-12 Determined by FH-14 Determined by FH-15 Determined by FH-16 When the initial curling radius does not count from the hollow curling...
  • Page 33 Chapter 4 Parameter Description radius by modifying the parameter. Relevant parameters for curling radius calculation with thickness accumulation Only when setting curling radius source FH-10 to 1, that is, obtaining through thickness accumulation calculation, it is related to the parameter. FH-19 Number of pulses each turn 1~60000...

  • Page 34: Line Speed Input

    Chapter 4 Parameter Description FH-26 maximum thickness 0.01mm~100.00mm 1.00mm When the material thickness is analog input, the maximum analog input corresponds to the maximum thickness. 4.4 Line speed input If curling radius source selects line speed calculation or tension control mode as close-loop speed mode, it is required to obtain correct line speed signal.
  • Page 35 Chapter 4 Parameter Description maximum m/Min~6500.0m 0.1m/Min 1000.0m/Min FH-28 line speed /Min When obtaining line speed through analog input, the maximum line speed must be correctly set. The maximum value of analog input corresponds with the value. minimum line FH-29 speed for curling m/Min~6500 0.1m/Min...

  • Page 36: Tension Compensation

    Chapter 4 Parameter Description 4.5 Tension compensation It is only relevant to the open loop torque mode. When the tension control adopts open loop torque mode, during the system acceleration/deceleration, additional torque shall be provided to overcome the rotation inertia of the whole system. Otherwise, too small tension upon wind-up acceleration and too large tension upon deceleration, or too large tension upon roll-down acceleration and too small tension upon deceleration...
  • Page 37 Chapter 4 Parameter Description mechanical inertia 1~10000 FH-33 compensation coefficient It is used to compensate the rotation inertia of the system, including inertia of the motor, rotation system, and the shaft. Such inertias are fixed and independent of the curling radius. This parameter can be obtained automatically by compensation coefficient self learning (this function is reserved for the current version) or manually set.
  • Page 38 Chapter 4 Parameter Description Material supply interrupt auto detection parameters It is an auxiliary function. The material supply interrupt cannot be detected in all the situations. If good result cannot be achieved after proper effort, set FH-37 to 0. material supply interrupt auto 0: inactive FH-37...

  • Page 39: Pid Parameters

    Chapter 4 Parameter Description failure will be reported by the inverter after material supply interrupt is detected. FH-37: When it is set as 0, the material supply interrupt auto detection function is inactive. FH-38: Only when the line speed is higher than the value can the material supply interrupt be detected.
  • Page 40 Chapter 4 Parameter Description 0: Only the first group of PID parameters are used auto 1: Adjust according adjustment to the curling radius FH-44 basis for PID 2: Adjust according parameters to the operating frequency 3: Adjust according to the line speed Select auto adjustment basis for PID parameters.
  • Page 41 Chapter 4 Parameter Description change continuously during the process.

  • Page 42: Auto Roll Alternation Parameter

    Chapter 4 Parameter Description 4.7 Auto roll alternation parameter pre-drive -50.0%~+50.0% FH-45 0.1% 0.0% speed gain When conducting roll alternation during the operation, to avoid causing too large shock, it is necessary to rotate the wind-up roll (roll-down roll) in advance, and the rotating line speed shall be consistent with the line speed of the materials in operation.

  • Page 43: Additional Parameters

    Chapter 4 Parameter Description pre-drive FH-47 -50.0%~+50.0% 0.1% 0.0% torque gain When FH-46 is set as 1, this parameter can be used to adjust the torque limit upon pre-drive, and to get large or small tension according to the system control demand. 4.8 Additional parameters This section describes the additional parameters for the auxiliary control part according to the actual use demand.
  • Page 44 Chapter 4 Parameter Description control mode. If the value is 0, when the system is at zero speed, the regulator will be inactive. Proper offset value shall be set to avoid this problem. high-speed FH-51 torque -50.0%~+50.0% 0.1% 0.0% compensation coefficient It is useful for tension open loop control (torque mode)Some system has different resisting forces at high speed and at low speed.
  • Page 45 Chapter 4 Parameter Description taper. When the roll is used as tension feedback, what the inverter controls is the position of the roll rather than the tension of the material. The tension control is decided by the force of the roll. This function code is used to select the maximum output setting mode.
  • Page 46 Chapter 4 Parameter Description When the tension increase terminal is active, the tension controlled by the inverter will be increased according to the parameter. 0: AI1 setting line 1: AI2 setting speed FH-58 2: AI3 setting setting 3: pulse setting source 4: communication setting It is relevant to the situation when FH-00 is set as 4 (line speed control...
  • Page 47 Chapter 4 Parameter Description functions of the multi-function terminals of the MD320 inverter. DI1 terminal 31: curling radius F4-00 function selection reset 32: initial curling DI2 terminal F4-01 radius selection function selection terminal 1 DI3 terminal F4-02 33: initial curling function selection radius selection DI4 terminal...
  • Page 48 Chapter 4 Parameter Description 32, 33: Initial curling radius selection terminal, used to select the initial curling radius value. 34: Pre-drive command terminal. When the terminal is active, the inverter operates in pre-drive mode. When the terminal is inactive, the inverter operates in tension control mode.
  • Page 50 Warranty Agreement The warranty period of the product is 18 months (refer to the barcode on the equipment body). During the warranty period, if the product fails or is damaged under the condition of normal use by following the instruction, Our company will be responsible for free maintenance.
  • Page 51 agent of our company or our company directly. Shenzhen Invoance This agreement shall be interpreted by Technology Co., Ltd. Shenzhen Invoance Technology Co., Ltd. Service Department Address: Block E, Hongwei Industry Park, Liuxian Road, Baocheng No. 70 Zone, Bao’an District, Shenzhen Tel.: 0755-29619910 Postal code: 518101...
  • Page 52 Product Warranty Card Add. of unit: Name of unit: Contact person: Customer information P.C.: Tel.: Product model: Body barcode (Attach here): Product information Name of agent: (Maintenance time and content): Failure information Maintenance personnel:...

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