dooch Q-Drive NQ-0400-S User Manual
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dooch Q-Drive NQ-0400-S User Manual

V.f.d 3-phase input
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User Guide
Model : AC Drive (V.F.D)
(3-Phase input)
www.doochpump.com

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Summary of Contents for dooch Q-Drive NQ-0400-S

  • Page 1 User Guide Model : AC Drive (V.F.D) (3-Phase input) www.doochpump.com...
  • Page 3 [SAFETY PRECAUTIONS] Preface Thank you for choosing DOOCH’s high performance Q-Drive series. The Q-Drive is a dedicated pump drive designed for variable Speed pumping system. The Q-Drive is manufactured with high-quality components and materials and incorporate the latest microprocessor technology available.
  • Page 4 [SAFETY PRECAUTIONS] ㆍDo not open cover during powered state or operation. (Exposed high voltage terminals or charging part of DC voltage may cause electric shock.) ㆍDo not open cover even when power is not supplied except for wiring or inspection work. (When the power is turned off, charged DC voltage in charging part of drive may cause electric shock.) ㆍDuring wiring work or regular inspection, cut off the power and...
  • Page 5 [SAFETY PRECAUTIONS] Cautions for Use A. Transportation and Installation ㆍ Transport the product with correct method according to its weight. ㆍ Do not stack the products with more than specified layers. ㆍ Install the product upon rules described on the User’s Manual. ㆍ...
  • Page 6 Improper use may damage on the drive. ㆍ Be sure to use pressure sensors and low water level sensor specified by Dooch. D. Operation ㆍ Since it has automatic restart and recovery functions after power failure in default and it is automatically restarted in case it is stopped due to fault or system alarm or power is turned off during operation, be careful when power is applied initially.
  • Page 7 [SAFETY PRECAUTIONS] ㆍ In case of driving 400V class motor with the drive, use the motor with reinforced insulation or conduct suppress measure against micro-surge voltage. (Motor may be sometimes destroyed upon deteriorated its insulation performance due to micro-surge voltage.) ㆍ...
  • Page 8 [SAFETY PRECAUTIONS] DOOCHPUMP...

  • Page 9: Table Of Contents

    [CONTENTS] CONTENTS [ Chapter 1. Basic Matters ] 1.1 Nameplate information 1.2 Type of product 1.3 Installation 1.4 Wiring [ Chapter 2. Specification ] 2.1 Specification of Product [ Chapter 3. External Dimension ] 3.1 NQ-0075T ~ NQ-0220T 3.2 NQ-0400T 3.3 NQ-0550T ~ NQ-0750T 3.4 NQ-1100T ~ NQ-1500T 3.5 NQ-1850T ~ NQ-2200T...
  • Page 10 [CONTENTS] [ Chapter 5. Operation ] 5.1 FND 5.1.1 Appearance and Description of FND 5.1.2 Functional Description of each Part 5.1.3 How to change Parameter Settings Function Setup 5.2.1 Basic Function Setup 5.2.2 Expansion Function Setup Basic Operation 5.3.1 Constant Pressure Control Mode [ Chapter 6.

  • Page 11: [ Chapter 1. Basic Matters ]

    In addition, check if there is any damage during transportation. * If you have any question or the product has any abnormal state, please contact the agent or A/S center of Dooch. - Nameplate of the Product – Type of Drive...

  • Page 12: Installation

    [ [ CHAPTER 1 BASIC MATTERS] ㆍ Product model name is indicated as above. Initial four digits indicate driving capacity of the drive in 00.00kW unit. Decimal point is not indicated. ㆍ 'T' refers Three phase. ㆍ ‘D’ means CAN Driver indicating Multi-Drive control system. If it is a single type, D will be omitted.

  • Page 13: Specification Of Product

    [CHAPTER 2 SPECIFICATIONS OF PRODUCT] 2. Specifications of Product Model NQ-_____S, T(D) 0075 0150 0220 0400 0550 0750 1100 1500 1850 2200 Standard Motor [kW] 0.75 1.5 18.5 Standard Motor [HP] Output Capacity [kVA] 7.9 10.5 15.8 19.7 25.7 29.6 Rated Output Current Rated Output...
  • Page 14 [CHAPTER 2 SPECIFICATIONS OF PRODUCT] Output Frequency, Pump’s Current Pressure, Pump’s Drive Information Setting Pressure, DC Voltage, Output Current, Display Input/Output Pressure (on Differential Pressure Control) Code Abnormality Pressure Sensor Error, High/Low Pressure Alarm, Low Information Level Alarm, Drive Error Installation Altitude 1,000M or lower Location...

  • Page 15: [Chapter 3 External Dimension]

    [CHAPTER 3 EXTERNAL DIMENSION] 3. External Dimension 3-1. NQ-0075T~NQ-0220T Weight NQ-0075T 2.9kg NQ-0150T 2.9kg NQ-0220T DOOCHPUMP 3-1|...

  • Page 16: Nq-0400T

    [CHAPTER 3 EXTERNAL DIMENSION] 3-2. NQ-0400T Weight NQ-0400T 3.3kg DOOCHPUMP 3-2|...

  • Page 17: Nq-0550T~Nq-0750T

    [CHAPTER 3 EXTERNAL DIMENSION] 3-3. NQ-0550T~NQ-0750T Weight NQ-0550T 5.5kg NQ-0750T 5.7kg DOOCHPUMP 3-3|...

  • Page 18: Nq-1100T~Nq-1500T

    [ [ CHAPTER 3 EXTERNAL DIMENSION] 3-4. NQ-1100T~NQ-1500T Weight NQ-1100T 12.4kg NQ-1500T 12.4kg DOOCHPUMP 3-4|...

  • Page 19: Nq-1850T~Nq-2200T

    [ [ CHAPTER 3 EXTERNAL DIMENSION] 3-5. NQ-1850T~NQ-2200T Weight NQ-1850T 14kg NQ-2200T 14kg DOOCHPUMP 3-5|...
  • Page 20 [CHAPTER 3 EXTERNAL DIMENSION] 3-6| DOOCHPUMP...

  • Page 21: [Chapter 4 Installation]

    [CHAPTER 4 INSTALLATION] 4. Installation 4.1 Cautions on Installation A. Be careful for handling and use. Since drive consists of sensitive electric/electronic devices, be careful not to damage it during installation or transportation. B. Be careful to install the drive on the place with vibration. In case of installing it on the motor or piping directly, prepare a countermeasure to reduce vibration.

  • Page 22: Wiring Diagram Of Terminals

    [ [ CHAPTER 4 INSTALLATION] 4.2 Wiring Diagram of Terminals 3φ 380V~440 AC Input 50/60 Hz 4-2| DOOCHPUMP...

  • Page 23: Wiring Of Main Power Supply Circuit

    [ [ CHAPTER 4 INSTALLATION] 4.3 Wiring of Main Power Supply Circuit 4.3.1 Description on Main Power Supply Terminals Terminal Terminal Name Description Sign R,S,T AC Input To connect commercial AC Input. Ground It is a ground terminal on drive enclosure. Please ground it. U,V,W Drive Output To connect Motor.

  • Page 24: Caution On Ground Wiring

    [CHAPTER 4 INSTALLATION] thinner than specified thickness, it may cause torque reduced due to voltage decrease or induce fire accident from overheating. • Maintain wiring distance between drive and motor within 50m. If it is longer than 50m, be sure to use the motor with reinforced insulation or micro-surge filter. 4.3.3 Cautions on Ground Wiring •...

  • Page 25: Specification Of Recommended Wires And Terminal Screw

    [ [ CHAPTER 4 INSTALLATION] 4.3.4 Specifications of Recommended Wires and Terminal Screw Thickness of Wires Size of Drive Fastening Torque Terminal mm² (AWG) Capacity for Screw (N.m) Screw R,S,T U,V,W 0.75 kW 1.2~1.5 2(14) 2(14) 2(14) 1.5 kW 1.2~1.5 2(14) 2(14) 2(14)

  • Page 26: Control Circuit Wiring

    [CHAPTER 4 INSTALLATION] 4.4 Control Circuit Wiring 4.4.1 Arrangement of Control Terminal Block Power Range : 0.75~4Kw 4-6| DOOCHPUMP...
  • Page 27 [CHAPTER 4 INSTALLATION] Power Range : 5.5~22kW 4-7| DOOCHPUMP...

  • Page 28: Functions Of Control Terminal Block

    [CHAPTER 4 INSTALLATION] 4.4.2 Functions of Control Terminal Block Terminal Classification Terminal Name Description Sign S1P, S1N Pressure Sensor 1 Connection terminal for Pressure Sensor 1 Connection terminal for Pressure Sensor 2 Pump S2P, S2N Pressure Sensor 2 (used for differential pressure control) Control LV1, LV2 Low Level Sensor...

  • Page 29: Cautions On Control Circuit Wiring

    • Since GND and CG are insulated each other, do not interconnect or ground them. 4.4.4 Connection of Pressure Sensor and Low Water Level Sensor • Use the pressure sensor and low water level sensor specified by Dooch. • General specifications of the pressure sensor and low water level sensor specified by...

  • Page 30: Sink Mode And Source Mode

    [ [ CHAPTER 4 INSTALLATION] 4.4.5 Sink Mode and Source Mode This product is configured to allow applying both sink mode (NPN: Using CG common terminal) and source mode (PNP: Using 24V common terminal) to the input terminal logic of control circuit. It is possible to toggle between sink mode and source mode using selection switch within the control board.

  • Page 31: [Chapter 5 Operation]

    [CHAPTER 5 OPERATION] 5. Operation 5.1. FND 5.1.1 Appearance and Description of FND FND has five digits of 7-segment, four LED lamps to display various settings and states and consists of four buttons to operate drive or enter setting. Lamp Part FND Part Button Part 5.1.2 Functional Description of each Part...

  • Page 32: How To Change Parameter Settings

    [CHAPTER 5 OPERATION] 2) FND Part FND consists of five digits of 7-segment and displays status value of drive and pump and parameter settings. FND displays are divided into St group (Status Group), Pr group (Pump Control Group) and dr group (Drive Group). 3) Button Part Button part consists of four buttons and it is used for parameter setting or movement.
  • Page 33 [CHAPTER 5 OPERATION] 3) How To Change Parameter Settings In order to change parameter setting, press key at the desired parameter item to enter into Setting Change Mode. On Setting Change Mode, use key to change it to desired setting. Press key again, then message is displayed to apply the setting.

  • Page 34: Function Setup

    [CHAPTER 5 OPERATION] 5.2 Function Setup 5.2.1 Basic Function Setup It is a basic parameter setup to operate the drive. Any parameter that is not set by the user, it is set default value of factory setting. 1) Common Setup It is a parameter setup to set and confirm commonly when controlling pump using drive regardless to type of control.
  • Page 35 [CHAPTER 5 OPERATION] 2) Pump Control Function Setup These parameters are to be set for the pump system when controlling pump using drive. Parameter Setup Item Description on Function Code Pump Capacity Pr-01 To set up Pump Capacity Pump Control Mode Pr-02 To set up Pump Control Mode To set up capacity of pressure sensor and...

  • Page 36: Expansion Function Setup

    [CHAPTER 5 OPERATION] Parameter Setup Item Description on Function Code CAN Comm. Mode Pr-50 To set up CAN Comm. Mode To set up CAN Comm. ID CAN Comm. ID Pr-51 (If ID is ‘0’, CAN Comm. is disabled.) CAN Comm. Speed Pr-52 To set up CAN Comm.
  • Page 37 [CHAPTER 5 OPERATION] 2) Setup Parameters for Pump System Protection Parameter Setup Item Description on Function Code To set up high pressure alarm level and time Pr-70 High Pressure Alarm in order to protect discharge pipe from high Pr-72 pressure To set up low pressure alarm level and time Pr-71 Low Pressure Alarm...

  • Page 38: Basic Operation

    [CHAPTER 5 OPERATION] 5.3 Basic Operation 5.3.1 Constant Pressure Control Mode 1) Single Drive Operation In case of using a single drive to control constant pressure, it is possible to apply it to the pump system as below. A. Wiring Diagram 3φ...
  • Page 39 [CHAPTER 5 OPERATION] • Check the polarity of pressure sensor and connect it properly. (In case of KELLER 21G series, connect brown line of pressure sensor to SEN1P terminal and white line to SEN1N terminal respectively.) • Connect low level sensor (electrode) if necessary. ※...
  • Page 40 [CHAPTER 5 OPERATION] To set up CAN Comm. ID to ‘0’ in order Comm. ID Setup Pr-51 to make CAN Comm. Disabled. To set up target pressure of pump Target Pressure Setup St Group system. Motor Rotation To make rotation direction of motor dr-20 Direction Selection same as pump operation direction...
  • Page 41 [ [ CHAPTER 5 OPERATION] 2) Multi-Drive Operation of Drives In case of using several drives linked together to control constant pressure, it is possible to apply it to the pump system as follows: A. Wiring Diagram 3φ 380V~440V 3φ 380V~440V 3φ...
  • Page 42 [CHAPTER 5 OPERATION] B. Setup and Operation Method • After applying power supply, check if Stop LED on FND is turned on and FND part displays current press of piping. P - 0.0 is displayed, be sure to check wiring of pressure sensor. Er - 01 ※...
  • Page 43 [CHAPTER 5 OPERATION] D. Target Pressure Setup • If you don’t know about correct pressure setting, contact the specialist. • In case of linked drive operation, when setting up pressure on one drive, setup pressures are automatically changed for all drives through CAN communication. •...
  • Page 44 [CHAPTER 5 OPERATION] 5-14 | DOOCHPUMP...

  • Page 45: [Chapter 6 Function Table & Description]

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] 6. Function Table of Q Drive 6.1 Status Group DISPLAY Name Explanation Remark In case of difference Present It shows measured present pressure, pressure pressure It shows difference pressure. If you press setting button It shows setting pressure and Setting for longer than 2 seconds,...

  • Page 46: Pump Control Group

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] 6.2 Pump Control Group Change Diff. Factory Para. Ref. DISPLAY Name Range Pressure Setting Link Page Operation Pr-00 Jump Code 1~92 Pr-01 Pump Capacity Setup 0.75~25.00[kW] Pr-02 Pump Control Mode Capacity Setup of Pr-03 1.0~25.0[bar] 16.0 Ο...
  • Page 47 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Diff. Change Factory Para. Ref. Name Range Pressure Setting Link Page Operation Pr-52 CAN Comm. Speed Pr-53 Alteration type 6-11 Lead pump Pr-54 0~24(hour) alternation time Standby Pump wating Pr-55 0~100[sec] Ο Ο time PID control Type Pr-61 Setup...

  • Page 48: Drive Control Group

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] 6.3 Drive Control Group ★To setup initial value according to drive capacity ☆To setup initial value with basis of Dooch induction motor Change Ref. DISPLAY Name Range Factory Setting Page Operation dr-00 CAN Comm. Speed...
  • Page 49 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Change Ref. DISPLAY Name Range Factory Setting Page Operation Waiting Time of Automatic dr-38 1~250[sec] Restart after Trip 6-20 dr-40 Drive Control Mode dr-41 Torque Boost Amount 0~10.0[%] dr-42 Start Frequency. 0.10~40.00[Hz] 0.50 40.0~Rated Freq. of dr-43 Max Operation Freq.

  • Page 50: Description On Function Of Parameter Settings

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] 6-4. Description on Functions of Parameter Settings 6-4-1 Pump Control Group Pr-00 Jump Code ㆍ It allows moving to desired code number directly. ㆍ It is also possible to move to other code using key after moving.
  • Page 51 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-03 Sensor 1 Capacity Setup ㆍ Enter the maximum value that the pressure sensor can measure. ㆍ By entering capacity of pressure sensor attached to the drive being used, it is possible to display the currently measured pressure.
  • Page 52 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-08 I Gain of PID Controller ㆍ It is relevant to ‘I’ (Integral Constant) out of PID control parameters. ㆍ PID I-Gain 1 second means the time required for the output power to be accumulated to 1.0[Hz] when 100 bar error is maintained.
  • Page 53 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-12 Start Variation ㆍ It sets up start variation pressure value. That is, the operation starts when the current pressure has larger variance than the specified value comparing to setting. ㆍ In case of alarm occurrence, operation does not start. Factory Setting Input Range 0.3[bar]...
  • Page 54 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-41 485 comm. ㆍIt setsup 485 comm. ID set up Setup Data Functional Description 1~250(Factory Setting) If the number of data request protocol is different, data is not transmitted. Pr-42 485 comm. speed ㆍ 485 comm. speed set up Setup Data Functional Description 1200kbps...
  • Page 55 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Setup Data Functional Description 0(Factory Setting) Single Mode Related Functions dr-02 Target Frequency Input Method Multi-Drive Pr-52 CAN Communication Speed control Pr-53 Lead Pump Alternation method Comm. ID Pr-54 Lead Pump Alternation Time Pr-55 Stand-by Pump Waiting Time Pr-61 PID Type on Multi-Drive control...
  • Page 56 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-55 Stand-by Pump Waiting Time on Multi-Drive Control Mode ㆍ This is to give some delay to stand-by pump. If the stand-by pump starts operation before the main drive outputs maximum frequency then the pressure may increase suddenly. Factory Setting Input Range 5[sec]...
  • Page 57 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-72 High Pressure Alarm Time ㆍ It sets maintaining time of high pressure alarm level to issue the high pressure alarm. That is, if the current pressure increases above the high pressure alarm level (Pr-70) and maintains its state for a specified time, a high pressure alarm is displayed and operation stops.
  • Page 58 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-76 Low Water Level Alarm Method Selection ㆍ It is a mode to set up low water level alarm detection method. ㆍ In case of setting up low water level sensor, it is required to attach electrode outside to determine existence of water within piping.

  • Page 59: Drive Control Group

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Pr-86 Deletion of Fault History ㆍ It deletes all of the fault history Setup Data Functional Description To maintain error contents(Factory Setting) To delete all of error contents Pr-87 Sensor percentage ㆍIt corrects sensor by % unit. ㆍIn order to decrease sensor value, enter smaller value than 100 based on 100% while in order to increase it, enter larger value than 100.
  • Page 60 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-02 Target Frequency Input Method Setup ㆍIt sets up target frequency input method of drive. Setup Data Functional Description 0 (Factory Setting) Setup with own PID operation Setup when using fixed freq. Related Function on the main body of FND Target Freq.
  • Page 61 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-13 No. of Rated Rotations of Motor ㆍ It sets No. of rated rotations of motor. It is based on data indicated on the nameplate of the motor. Factory Setting Input Range Initial value is set upon drive capacity 1 ~ 9999 [rpm] dr-14 Rated Voltage of Motor ㆍ...
  • Page 62 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-20 Motor Rotation Direction Selection ㆍ It sets up rotation direction of the pump. ㆍ Be sure to check the rotation direction of the pump for normal operation. As the rotation direction may change according to wiring, be sure to check it. Setup Data Functional Description 0 (Factory Setting)
  • Page 63 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-31 Overload Trip Level ㆍ It refers to trip current level against rated current of the motor. That is, if the rated current of the motor is 10[A] and the overload trip level is 120%, the overload trip will be generated above 12[A].

  • Page 64: Torque Boost Amount

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-35 Motor Overheat Selection ㆍ It sets motor overheat protection function. The drive calculates load current of motor by itself and determines overheat by expecting increase of temperature. Setup Data Functional Description dr-36 Ground Detection ㆍ...
  • Page 65 [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-41 Torque Boost Amount ㆍ It is a boost amount to be applied on initial operation of drive. ㆍ If starting torque is not enough under overload operation, torque can be increased by rising this value.

  • Page 66: V1 Min Input Voltage

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] dr-53~dr-54 Indication of Accumulated Power ㆍ It displays accumulated power of drive in Mega, kilo Wh unit. Displayed accumulated power may have error comparing to actual value. Parameter Functional Description dr-53 To display in Mega Wh unit dr-54 To display in Kilo Wh unit dr-55 Power Semiconductor Temperature...

  • Page 67: [Hz]

    [CHAPTER 6 FUNCTION TABLE & DESCRIPTION] Parameter No. Factory Setting Input Range dr-60 0.0~5.0[V] dr-61 0.00~30.00[Hz] dr-62 10.0 5.1~10.0[V] dr-63 Rated Freq. of Motor 30.10 ~ Rated Freq. of Motor dr-64 0~10[mA] dr-65 11~20[mA] dr-66 11~20[mA] dr-67 Rated Freq. of Motor 30.10 ~ Rated Freq.

  • Page 68: Fault History Table

    [CHAPTER 7 CAUSE OF FAULT AND REACTION] 7.1 Fault History Table Content Description Restarting Remarks Display Er-01 Pressure Sensor Error Er-02 High Pressure Alarm Er-03 Low Pressure Alarm Er-04 Low Level Alarm Er-05 tASH Drive Arm Short Trip Er-06 Drive H/W Over Current Trip Drive H/W Over Current Restriction Er-07 Trip...

  • Page 69: Reset Of Fault And Alarm

    [CHAPTER 7 CAUSE OF FAULT AND REACTION] 7.2 Reset of fault and alarm ㆍIn case of fault or alarm, FND shows Pr-80. ㆍTo reset in Pr-group, Press twice. ㆍTo reset in St-group, Press once. In case of Er-01, Er-02, Er-04(Low Level Sensor Alarm), If cause is resolved, it reset and restart automatically.
  • Page 70 [CHAPTER 7 CAUSE OF FAULT AND REACTION] Er-03 (Low Pressure Alarm-tLP) Cause ㆍ It is an alarm generated when the current operation pressure is maintained under the low pressure alarm level. It starts automatically after Automatic Restart Time (dr-38) from trip. However, if it repeats more than No.
  • Page 71 [CHAPTER 7 CAUSE OF FAULT AND REACTION] Related Function Function Name Ref. Page Pr-74 Pressure Sensor Low Level Trip Time 6-13 Pr-75 Pressure Sensor Low Level Trip Level Pr-76 Low Level Detection Method Selection Pr-77 Low Level Sensor Trip Time 6-14 Er-05 (Arm Short Trip-tASH ) Cause...
  • Page 72 [CHAPTER 7 CAUSE OF FAULT AND REACTION] Er-07 (H/W Over Current Restriction Trip-SOC) Cause ㆍ In case acceleration/deceleration time is excessively short comparing to load inertia ㆍ It cuts off the motor output to control the current when the drive restarts on motor Free-run state or over current is generated due to sudden overload.
  • Page 73 [CHAPTER 7 CAUSE OF FAULT AND REACTION] Er-10 (Low Voltage Trip-tLv) Cause ㆍOccurred when the power supply voltage is low ㆍOccurred when the connected load is larger than the power capacity Reaction ㆍ Check the drive input voltage. ㆍ Check the power capacity. It is possible to check the DC Link voltage on FND display part.
  • Page 74 [CHAPTER 7 CAUSE OF FAULT AND REACTION] Er-13 (Drive Overload Operation Trip-tdOL) Cause ㆍ Occurred when the load is larger than the rated drive capacity. Reaction ㆍUse drive with larger capacity suitable for the load. Er-14 (Ground Trip-tGF) Cause ㆍOccurred when Output line of drive make short circuit with ground line. ㆍOccurred when insulation of motor is defective.
  • Page 75 [CHAPTER 7 CAUSE OF FAULT AND REACTION] Er-18(The Defect s of Output -tOO) Cause ㆍOccurred when output wiring is defective. ㆍOccurred when output terminal contacts are defective. Reaction ㆍCheck output wiring. ㆍCheck status of output terminals. Er-20(External Fault Input-tES) Cause ㆍAn error upon external signals.
  • Page 76 [CHAPTER 8 Appendix] RS-485 - Communication Specification Article Specification Communication Speed Choose among 1200/2400/4800/9600/19200bps Control Proceedure asynchronous communication Communication System Half duplex system Letter 8 bit Stop bit 1 bit Error Check(CRC16) 1 byte Parity Check None * Communication Protocol (ModBus - using RTU protocol) Code Name 0 X 03...
  • Page 77 [CHAPTER 8 Appendix] Fault Diagnosis - in case communication is not connected Check point Note Connection between master of computer or FA equipment and NQ drive RS485 Pr-40 485 comm. Mode RS485 comm. speed Pr-42 485 comm. Speed RS485 comm. ID Pr-41 485 comm.
  • Page 78 [CHAPTER 8 Appendix] Address Address Parameter Scale Unit Contents (Decimal) (Hexadecimal) 4096 0X1000 Program version 0.01 0~65535 0: STOP 1: READY(Inverter EN and output zero) 4097 0X1001 System operation status 2: RUN (Inverter EN and output non-zero) 3: FAULT(system fault) 4098 0X1002 Set pressure...
  • Page 79 [CHAPTER 8 Appendix] 4135 0X1027 Outout power (Inverter 1) 0~10000 4136 0X1028 Outout power (Inverter 2) 0~10000 4137 0X1029 Outout power (Inverter 3) 0~10000 4138 0X102A Outout power (Inverter 4) 0~10000 4139 0X102B Outout power (Inverter 5) 0~10000 4140 0X102C Outout power (Inverter 6) 0~10000 4141...
  • Page 80 AC-1231 DOOCH CO.,LTD 295 Sagok-ri ,Jangan-myeon ,Hwaseong-si, Gyeonggi-do, Korea Tel. +82-31-831-1200 Fax. +82-31-831-1240 Printed in Korea...

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