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Hitachi LH1 Series Basic Manual

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LH1
SERIES
Basic Guide
HITACHI LH1 Series Inverter
When making a contact, inform the reference number on below.
Introduction
Contents
Chapter 1: Safety Instructions
LH1
Chapter 2: Installation and Wiring
Chapter 3: Operation Setting and Examples
Chapter 4: Settings
Chapter 5: Troubleshooting
Chapter 6: Maintenance and Inspection
Chapter 7: Specifications
Index
If you have any inquiry or problem,
Refer to Chapter 5 Troubleshooting
or
Contact to the Technical Inquiry Service
for Inverter.
of I/O Adjustment
NT9461 X
NT2511
Table of Contents
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Summary of Contents for Hitachi LH1 Series

  • Page 1 SERIES Introduction Basic Guide Contents HITACHI LH1 Series Inverter Chapter 1: Safety Instructions Chapter 2: Installation and Wiring Chapter 3: Operation Setting and Examples of I/O Adjustment Chapter 4: Settings Chapter 5: Troubleshooting Chapter 6: Maintenance and Inspection Chapter 7: Specifications...
  • Page 2 Introduction/Cautions/Warranty & Contact us Introduction Cautions  Proper use of the inverter Thank you for purchasing Hitachi LH1 Series Inverter. This is a user guide for basic handling and maintenance of Please read the Basic Guide, and optional products Hitachi LH1 Series Inverter.
  • Page 3 • In order to receive warranty service, you should present the Product Warranty recipe issued by product supplier or any other document that • The product LH1 Series inverter will be warranted by Hitachi permit to check the purchase date. However, any defects, Industrial Equipment (Nanjing) Co., Ltd. afterward "HINC",...
  • Page 4 • For optional product refer attached instruction. meet the function described on basic guide. • Contact to your supplier or local Hitachi distributor or service • This warranty term will not restrict a legal right of customer station for fare-paying services.

  • Page 5: Table Of Contents

    Contents Contents ● Method of Inquiry and Product Warranty ..0-2 ● Introduction ............0-1 ● Contents ............... 0-4 ● Cautions ..............0-1 Chapter 1 Safety Instructions Types of Warnings ..........1-1 Description of Safety Symbols ......1-1 Safety Precautions ..........1-1 Chapter 2 Installation and Wiring Check the Inverter ..........

  • Page 6: Cautions

    Safety Instructions Chapter 1 Chapter 1 Safety Instructions 1.1 Types of Warnings 1.2 Description of Safety Symbols In the Basic Manual, the severity levels of safety It describes annotation of the symbols in context. Be sure precautions and residual risks are classified as: "DANGER", to follow and pay attention of content.
  • Page 7 Safety Instructions Chapter 1 1.3.1 Caution DANGER • • Many of the drawings in the Basic Guide show the Incorrect handling may result in personal death or severe injury, or may result in damage to the inverter with covers and/or parts blocking your view as removed to illustrate the details.
  • Page 8 Safety Instructions Chapter 1 WARNING ● You run the risk of fire! ● You run the risk of injury or fire! Injury Fire Fire • Do not connect AC power supply to any of the • Do not use a single-phase input. •...
  • Page 9 Safety Instructions Chapter 1 WARNING ● You run the risk of injury and damage to ● You run the risk of burn injury. machine. Burn • Inverter heat sink will heat up during operation. • The inverter easily allows you to control the Injury Do not touch the heat sink.
  • Page 10 Safety Instructions Chapter 1 (Memo)

  • Page 11: Chapter 2 Installation And Wiring

     Configuration and description contents vary depending on the model. Installation and Wiring Contact to your supplier or local Hitachi distributor or service station for more details. 2.1 Check the Inverter Check the contents in the package, and confirm the ...

  • Page 12: Install The Inverter

    Chapter 2 Installation and Wiring 2.2 Install the Inverter Install inverter on nonflammable Transportation (e.g. metal) surface. • The inverter is made of plastics component. When • The inverter will reach a high temperature (up to carrying the inverter, handle it carefully to prevent about 150°C) during operation.
  • Page 13 Chapter 2 Installation and Wiring Installation environment Reduction of enclosure size • • Avoid installing the inverter in a place where the External heat sink installation may reduce internal inverter is subject to dust, corrosive gases, heat emission and reduce the enclosure size. explosive gases, flammable gases, grinding fluid External heat sink mounting for the inverter mist, or salt water.

  • Page 14: Dimensions Drawing

    Chapter 2 Installation and Wiring 2.3 Dimension Drawing  If you add optional parts to the inverter, some extra space is required in the direction of the depth of the inverter depending on the wiring layout. Keep a (Eg.) See "Chapter 7 Specifications" for details. clearance of 50 mm or more.
  • Page 15 Chapter 2 Installation and Wiring Model (LH1-***H/****H) Model (LH1-***H) 400V Class : 900H/1100H 400V Class : 450H/550H/750H W(mm) H(mm) D(mm) W(mm) H(mm) D(mm) Dimension Dimension 2-φ12 2-φ12 Model (LH1-****H) 400V Class :1320H/1600H W(mm) H(mm) D(mm) Dimension 2-φ12...

  • Page 16: Inverter Wiring

    Installation and Wiring 2.4 Inverter Wiring Applicable peripheral equipment Notes: • The description of peripheral equipment is for Hitachi 3-phase, 4-pole squirrel-cage motor. Power • Select breakers with proper interrupting capacity. (Use inverter-ready breakers) supply • Use earth-leakage circuit breakers (ELB or MCB) to ensure safety.

  • Page 17: Wiring Of The Main Circuit

    Chapter 2 Installation and Wiring 2.5 Wiring of the main circuit Wire the main circuit of the inverter. The following illustration shows the power supply and wiring connections to a motor only. Open a terminal block cover to wire the terminal block in the main circuit.
  • Page 18 Chapter 2 Installation and Wiring 2.6 Recommended wire gauges, wiring accessories, and crimp terminals  400V class Power line Cable External braking Power line Tightening LH1 Model AWG(mm2) Grounding cable resisitor between cable Crimp terminal torque LH1-***H/****H R,S,T,U,V,W, AWG(mm2) P and RB Terminal N･m P,PD,N...
  • Page 19  Select AC-3 class magnetic contactor for inverter output for legislation.  Applicable motor capacity is based on Hitachi 400Vac, 60Hz, 4 pole application which has an emergency stop or commercial power line IE3 motor. operation.
  • Page 20 Chapter 2 Installation and Wiring 2.8 Chopper Braking Resistor • LH1 Series can offer when desired a built-in chopper braking circuit in models below. LH1 Series has a built-in chopper braking circuit in model below. LH1-550H~LH1-750H LH1-055H to LH1-450H •...
  • Page 21 Chapter 2 Installation and Wiring 2.9 Wiring When J51 connector is removed, charge lamp doesn't indicate R0-T0 status. Please make sure that power is off and care for safety. For own safety, make sure to power off before handling the inverter. Model LH1- ***H Model LH1- ***H 400V class: 185H,220H,300H...
  • Page 22 Chapter 2 Installation and Wiring Model LH1- ***H Model LH1- ***H 400V class: 450H 400V class: 370H Charge lamp Charge Lamp Screw size Screw size R0,T0 : M4 R0,T0: M4 Ground Terminal : M8 Ground terminal: M6 Other : M8 Other terminals: M8 Motor output wire Power input wire...
  • Page 23 Chapter 2 Installation and Wiring Model LH1- ***H/****H Model LH1- ***H 400V class: 900H,1100H 400V class: 550H,750H Charge lamp (Turn-on while energized) Charge lamp (Turn-on while energized) Screw size R0,T0: M4 Ground terminal: M8 Other terminals: M8 Screw size Motor output wire Power input wire R0,T0: M4 Ground terminal: M8...
  • Page 24 Chapter 2 Installation and Wiring Model LH1- ****H 400V class: 1320H,1600H Charge lamp (Turn-on while energized) Screw size R0,T0: M4 Ground terminal: M8 Other terminals: M10 Power input wire Motor output wire (L1) (L2) (L3) (+1) (T1) (T2) (T3) PD-P short bar PD-P short bar 2-14...
  • Page 25 Chapter 2 Installation and Wiring 2.10 Wiring of the control circuit  An example for sink logic. Control circuit terminal 24V power Alarm relay section supply terminal 1C contact points 1/RS (SW6) 2/SCHG (SW5) Sink 3/JG Sink or source logic 24V power for input terminal is 4/FRS...
  • Page 26 Chapter 2 Installation and Wiring ■ Recommended terminals for wiring • The following ferrule terminals are recommended for ・The contral circuit terminal adopts screw type wiring signal cable for easy wiring and improved reliability of terminal blocks. connectivity. Ferrule terminal with sleeves Power cable size Ferrule terminal φ...
  • Page 27 Chapter 2 Installation and Wiring 2.11 Control circuit wiring section ■ Input terminals Control circuit terminal • All COMs have the same electric potential. • Change SW5 to external power source (EX) to connect the power source between Input terminals 1 to 9, A or B, and COM.
  • Page 28 Chapter 2 Installation and Wiring ■Output terminals Control circuit terminal (Wiring example) Output Alarm relay Output terminal terminal [OL] [IRDY] [FA2] [FA1] [RUN] [AL] Output terminal : Equipment including lamps, relays and PLC Output : Relays terminal • [] it means factory default settings. Terminal Terminal name Description...
  • Page 29 SW4 SW3 SW2 SW1 Chapter 2 Installation and Wiring SW4 SW3 SW2 SW1 SW4 SW3 SW2 SW1 ■Analog input/output SW4 SW3 SW2 SW1 Control circuit terminal (Wiring example) SW4 SW3 SW2 SW1 Analog input/output SW4 SW3 SW2 SW1 • When variable resistor is connected on H-Ai1-L terminal, voltage input is given to inverter, Sw1 for analog input 1 (Ai1) is to be set SW4 SW3 SW2 SW1 on "voltage"...
  • Page 30 Chapter 2 Installation and Wiring ■FM output terminals Control circuit terminal (Wiring example) Digital output Frequency meter (PWM) • FM output is selectable from PWM output with a fixed cycle of 6.4ms or pulse output with a variable cycle. • FM output is adjustable by parameter settings.
  • Page 31 There are two SP and two SN terminals, which are connected internally. The maximum baud rate is 115.2kbps. Connect CM1 For enabling the termination local Hitachi distributor or service station to obtain a more Into the SG (signal ground) of resistor, short-circuit between detailed description.. external devices, RP and SN.
  • Page 32 Chapter 2 Installation and Wiring 2.12 Residual risk Parts subject to residual risk Please check for any residual risk upon completion of the installation before power on. ■Residual risk checklist No. Target Name of part WARNING CAUTION section DANGER Main circuit 8,10 terminal block Heat sink...
  • Page 33 Chapter 2 Installation and Wiring Operational Residual ✓ Work Part Details of harm or damage Preventive measures phase risk When the motor wiring distance exceeds Motor insulation damage due to surge □ Installation Wiring ‐ DANGER 20m or more, try to shorten the wiring. caused by long distance motor wiring.
  • Page 34 Chapter 2 Installation and Wiring (Memo) 2-24...

  • Page 35: Operation Setting And Examples Of Io Adjustment

    Chapter 3 Operation Setting and Examples of I/O Adjustment See “Chapter 4 Settings” for detailed operating Chapter 3 instructions Operation Setting and Examples of I/O Adjustment This chapter describes basic settings, frequency source required for operation, examples of run command source settings and examples of adjusted I/O terminals.
  • Page 36 Chapter 3 Operation Setting and Examples of I/O Adjustment The frequency source and run command source are necessary to drive the motor.  Frequency source 1  Run command source 1 3.2 Frequency setting from keypad 3.3 Run using the operator keypad •...
  • Page 37 Chapter 3 Operation Setting and Examples of I/O Adjustment   Run command source 2 Frequency source 2 3.4 Multispeed terminals command 3.5 Operate using FW/RV terminal • • While multispeed command is off, the speed command Select [AA111] = 00 [FW][RV] terminal from parameter will follow the parameter setting [AA101].
  • Page 38 Chapter 3 Operation Setting and Examples of I/O Adjustment   Run command source 3 Frequency source 3 3.6 Potentiometer frequency command 3.7 Operate using 3WIRE terminal • • Select [AA101] = 01 Ai1 terminal input from parameter Select [AA111] = 01 to 3WIRE function from parameter setting screen.
  • Page 39 Chapter 3 Operation Setting and Examples of I/O Adjustment   Example for adjusting I/O terminals 2 Example for adjusting I/O terminals 1 3.8 Adjust the analog input (Ai1/Ai2) 3.9 Adjust the analog output (Ao1/Ao2/FM) E.g.) Adjust operation (E.g. for Ai1) •...
  • Page 40 [CC-29] ■Parameter 16A-16C *1) [CC-30] [CC-31] Parameter AL1-AL0/ Details [CC-32] [CC-33] AL2-AL0 Adjust -10V on the reference line for [Cb-34] *1) LH1 Series do not have this terminal. -10V/10V and the frequency. [Cb-35] Adjust the slope of the reference line.

  • Page 41: Chapter4 Settings

    Chapter 4 Settings Chapter4 Settings 4.1 Keypad overview 4.1.1Names and Functions of components How to operate the digital operator Monitor（5-digit LEDdisplay） Monitor lamps Monitor lamps Up key VR lamp POWER lamp Frequency Control VR Program lamp ALARM lamp RUN key enable LED STOP/RESET key Run key Storage key...
  • Page 42 Chapter 4 Settings 4.1.2 Code display system The initial display on the monitor screen after power-on depends on the setting of function”UA-91”.When the setting of function”UA-91”= . ， “dA-01”(factory setting),the monitor initially show as the setting of “dA-01” . Pressing the key in this status changes FUNC ...
  • Page 43 Chapter 4 Settings 4.1.3 Transition of the monitored data on display FUNC FUNC     . FUNC FUNC FUNC    FUNC   .   FUNC FUNC FUNC FUNC      FUNC FUNC FUNC FUNC...
  • Page 44 Chapter 4 Settings 4.1.4 Procedure for directly specifying or selecting a code You can specify or select a code or data by entering each digit of the code or data instead of scrolling.The following shows an example of the procedure for changing the monitor mode code to extended function code. ①...
  • Page 45 Power-on and Confirm that the LED is lighting up. Adapter Inverter Example：LH1 series 4.1.5.2 Installing the standard operator into the control cabinent Installing it According to the following dimensions of the standard operator and Installation dimension diagram. Installation dimension diagram Note: When installing into the control cabinet, please use the communication cable that meets the following specifications.

  • Page 46: Monitor Naming

    00 to 06 (V/f control mode). dA-40 0.0 to 1000.0(V) *3) The parameter is about Safety function,is not suitable for LH1 series. DC bus voltage monitor *4) dA-60 is available also for the terminals of the option terminal board. dA-41 0.00 to 100.00(%)
  • Page 47 Current PID I-Gain monitor *2)This parameter is only effective when using the liquid crystal operator db-63 0.00 to 100.00(s) Current PID D-Gain monitor VOP(option). db-64 0.00 to 100.00(%) *3) The parameter is about Safety function,is not suitable for LH1 series. PID feedforward monitor...
  • Page 48 Refer to the table below. dE-50 warning monitor Torque reference setting or monitor For more information,contact to FA-16 your supplier or local Hitachi -500.0 to 500.0(%) distributor or service station. Torque bias setting or monitor When [AA121]≠10 or [AA123]≠03 -268435455 to...
  • Page 49 Chapter 4 For parameter configuration 4.4 Parameter naming (Nomenclature) [AA101] to [AA106] 4.6 Parameter explanation AA 1 01 ・For the motor protection, the following parameters are necessary to be set. -[Hb102] to [Hb108](If [IM]) -[Hd102] to [Hd108](If [SM/PMM]) Parameter Internal number Working -[bC110](Electronic thermal level setting, parameters...
  • Page 50 ・For a magnet motor, select the sensorless vector control STOP key performs stop operation regardless of the (SM/PMM). *1) The setting (09/10/12) is not suitable for LH1 series. run command selection. When stopping only with the Vector control with encoder mode command selected in the run command selection, change it to 00(disabled).
  • Page 51 Chapter 4 For parameter configuration [Ab-01] to [Ab-25] [Ab210][AC-01] to [AC-02] ・For the 8 speeds selection, set [Ab-03]=01 assigning the Frequency scale conversion monitor [dA-06] intelligent terminals 007[SF1] to 013[SF7] makes Code/Name Range (unit) Initial value available the use of the speeds 0 to 7. Ab-01 Frequency 0.01 to 100.00...
  • Page 52 Chapter 4 For parameter configuration [AC-03] to [AC117] [AC120] to [AC126] Acceleration/deceleration curve selection Acceleration/deceleration time setting Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value AC-03 00(Linear)/ AC120 Acceleration curve Acceleration time 30.00 01(S-curve)/ selection setting 1, 1st-motor 02(U-curve)/ AC-04 AC122...
  • Page 53 Decel. time for Multi-speed 9 12 (sensorless vector control or vector control with sensor) AC-66 0.00 Accel. time for Multi-speed 10 For more information, contact to your supplier or local Hitachi AC-68 0.00 Decel. time for Multi-speed 10 distributor or service station.
  • Page 54 ・ When AE-61 is set to 01, the absolute position is automatically saved into the inverter at the power supply is cut-off. For more information, contact to your supplier or local Hitachi distributor or service station 4-14...
  • Page 55 The current position monitor [dA-20] is also changed. frequency, 1st-motor For more information, contact to your supplier or local AF104 DC braking delay 0.00 to 5.00(s) 0.00 Hitachi distributor or service station. time, 1st-motor Positioning operation adjustment AF105 DC braking force 0 to 100(%) Range (unit)
  • Page 56 107[COK] Contactor check signal and the output time, 1st-motor terminal 039[CON] Contactor control. 00(Disable)/ For more information, contact to your supplier or local 01(Brake control Hitachi distributor or service station. 1: Common)/ AF130 02(Brake control Brake control enable, 1st-motor 1: Separate)/ 2nd motor When Intelligent Input terminal 024[SET] is enabled.
  • Page 57 Chapter 4 For parameter configuration [AG101] to [AG113] [AG-20] to [AG213] Resonant frequency avoidance (Jump) Jogging function Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value 0.00 to AG-20 AG101 0.00 Jump frequency 1, 1st-motor 590.00(Hz) 0.00 to 10.00(Hz) 6.00 Jogging AG102...
  • Page 58 Chapter 4 For parameter configuration [AH-01] to [AH-06] [AH-07] to [AH-50] PID1 function Code/Name Range (unit) Initial value AH-07 Code/Name Range (unit) Initial value PID1 set-point 1 input source 00 to 13 *2) 00(Disable)/ selection 01(Enable)/ AH-10 AH-01 0.00 PID1 set-point-1 setting PID1 enable 02(Enable (with inverted AH-12...
  • Page 59 Chapter 4 For parameter configuration [AH-51] to [AH-54] [AH-60] to [AH-70] Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value AH-51 AH-60 00(Using gain-1 only)/ PID1 feedback 1 PID1 gain change 01([PRO] terminal) input source selection method selection AH-52 AH-61 PID1 feedback 2 PID1 proportional...
  • Page 60 Chapter 4 For parameter configuration [AH-71] to [AH-74] [AH-75] to [AH-92] Initial PID soft start function Code/Name Range (unit) value Initial Code/Name Range (unit) AH-71 0.00 to 100.00(%) 0.00 value PID1 output range AH-75 00(Disable)/ PID soft start 01(Enable) PID Output (%) function enable PID Output variable range AH-76...
  • Page 61 Chapter 4 For parameter configuration [AH-85] to [AH-96] Example 2) [AH-85]=01(Low output) PID sleep function [AH-93]=02(Low feedback) Initial Code/Name Range (unit) value Feedback value [AH-95] 00(Disable)/ AH-85 01(Low output)/ PID sleep trigger selection 02([SLEP] terminal) PID Target value [AH-94] AH-86 0.00 to 590.00(Hz) 0.00 PID sleep start level...
  • Page 62 Chapter 4 For parameter configuration [AJ-01] to [AJ-12] [AJ-13] to [AJ-19] PID2 function Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value AJ-13 AJ-01 0.0 to 100.0 00(Disable)/01(Enable)/ PID2 proportional gain PID2 02(Enable (with inverted output)) enable AJ-14 0.0 to 3600.0(s) PID2 integral time constant ・The PID2 function is enabled with the above parameter.
  • Page 63 Chapter 4 For parameter configuration [AJ-21] to [AJ-32] [AJ-33] to [AJ-39] PID3 function Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value AJ-33 AJ-21 0.0 to 100.0 00(Disable)/01(Enable)/ PID3 proportional gain PID3 02(Enable (with inverted output)) enable AJ-34 0.0 to 3600.0(s) PID3 integral time constant ・The PID3 function is enabled with the above parameter.
  • Page 64 Chapter 4 For parameter configuration [AJ-41] to [AJ-52] [AJ-53] to [AJ-59] PID4 function Initial Code/Name Range (unit) value Initial Code/Name Range (unit) AJ-53 value 0.0 to 100.0 PID4 proportional gain AJ-41 AJ-54 00(Disable)/01(Enable)/ PID4 0.0 to 3600.0(s) PID4 integral time constant 02(Enable (with inverted output) enable 0.00...
  • Page 65 Chapter 4 For parameter configuration [bA101] to [bA116] [bA120] to [bA128] ■Parameter mode (b code) Frequency limit Overcurrent suppression function setting Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value 00(Disable)/ bA120 00(Disable)/ Overcurrent 01(Terminal[Ai1])/ 01(Enable) suppression enable, 1st-motor 02(Terminal[Ai2])/ Inverter rated Inverter...
  • Page 66 Chapter 4 For parameter configuration [bA-30] to [bA145] [bA146] to [bA-63] Deceleration / stop at power loss (Non-stop) Overvoltage suppression - Over-excitation Code/Name Range (unit) Initial value Range (unit) Initial Code/Name 00(Disable)/ value 01(Deceleration-stop)/ 00(Disable)/ 02 (Voltage controlled bA-30 Instantaneous power bA146 01(Always enable)/ decel-stop(without...
  • Page 67 Chapter 4 For parameter configuration [bA-70] to [bA-71][bA201] to [bA249] [bb101] to [bb-23] Cooling-fan operation Reduction of electromagnetic sound Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value bA-70 ・400V LH1-055H to LH1-750H 00(Always ON)/ Cooling fan 01(While inverter operates)/ [Ub-03]= control method bb101...
  • Page 68 For more information, contact to your supplier or local bb-62 (400V Class) (400V Class) Power supply Hitachi distributor or service station. 600.0 to 820.0(V) 780.0 overvoltage level setting Minimum level of frequency matching ・When the input suffers an overvoltage and if the DC bus voltage...
  • Page 69 Chapter 4 For parameter configuration [bb-65] to [bb260] [bC110] to [bC125] Phase loss detection Electronic thermal protection Code/Name Range (unit) Initial value Code/Name Range (unit) Initial value Inverter rated Inverter rated bb-65 bC110 Input phase loss Electronic thermal 00(Disable)/01(Enable) current × current detection enable level setting, 1st-motor...
  • Page 70 (Ratio to the inverter suitable for LH1 series. 62.8 86.4 115.2 rated current) Contact to your supplier or local Hitachi distributor or (98.1%) (135%) (180%) service station for more details. ・In case of output frequency = 2.5Hz, the reduction scale is x0.9, then, the inverter will trip when the output current of 135%(=150%×0.9) flows continuously within 60s according to...
  • Page 71 Chapter 4 For parameter configuration [CA-01] to [CA-31] [CA-41] to [CA-55] ■Parameter mode (C code) Input terminal chatter prevention Intelligent input terminals setting Initial Code/Name Range (unit) value Initial Code/Name Range (unit) value CA-41 Input terminal [1] response time CA-01 028(RS) Input terminal [1] function Reference...
  • Page 72 Chapter 4 For parameter configuration [Input terminal function list] [Input terminal function list] Function Function Function Symbol Description Symbol Function name Description code name code Answer back The brake confirmation signal is Not use from Brake inputted for the brake control. Activating (ON) only one of them Forward rotation Overload...
  • Page 73 Chapter 4 For parameter configuration [Input terminal function list] [Input terminal function list] Function Symbol Function name Description code Function Symbol Function name Description For drooping control, [PPI] code P/PI control switches between PI control [PSET]’s ON sets the actual mode selection Position data (OFF) and P control (ON).
  • Page 74 Chapter 4 For parameter configuration [CA-60] to [CA-84] [CA-90] to [CA-99] [FUP] / [FDN] operations Pulse train input terminal[A][B] Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value 00(Disable)/ CA-60 00(Speed reference) CA-90 FUP/FDN overwrite 01(Reference)/ 01(PID1 Set point) target selection Pulse train input, target 02(Speed feedback)/...
  • Page 75 (Ai3)”. Output terminal [16] active state*1) CC-17 Output terminal [AL] active state ・The NO/NC setting for the Intelligent output terminals 11 to 15 ,AL are assigned in [CC-11] to [CC-15], [CC-17]. *1) LH1 series do not have this terminal. 4-35...
  • Page 76 ON if the RUN command is of the output terminal to the actual response. Keypad is selected from keypad. 2nd control is *1) LH1 series do not have this terminal. SETM ON if 2nd-motor selected selected Option output Controlled by the Option...
  • Page 77 Chapter 4 For parameter configuration [Output terminal function list] [Output terminal function list] Function Function Symbol Function name Description Symbol Function name Description code code Low-current ON if output current is less LOG1 Logical operation LOC2 indication signal than the setting value result 1 [CE103].
  • Page 78 Chapter 4 For parameter configuration [CC-40] to [CC-60] [Cd-01] to [Cd-35] Logic output terminals setting Analog output terminal adjustment Initial Initial Code/Name Range (unit) Code/Name Range (unit) value value ...
  • Page 79 Chapter 4 For parameter configuration [CE101] to [CE107] [CE-10] to [CE-31] Low-current detection signal Frequency arrival signal setting Code/Name Range (unit) Initial value Range Initial Code/Name (unit) value 00(During Accel/Decel and CE101 Low current constant speed) CE-10 Arrival frequency 1 value setting signal output mode 0.00 01(During constant speed...
  • Page 80 Chapter 4 For parameter configuration [CE-33] to [CE-51] [CE-52] to [CE-55][CE201]to[CE223] 0Hz speed detection signal Initial Code/Name Range (unit) value Initial Code/Name Range (unit) CE-52 value [Ai2] Operation set level 0 to 100(%) at disconnection or compare CE-33 0.00 to 100.00(Hz) 0.50 Zero speed detection level event...
  • Page 81 EzCOM source register 5 0 to 1000(ms) communication wait time ・Set for the use of EzCOM function. setting 01(Modbus-RTU)/ Contact to your supplier or local Hitachi distributor or CF-08 02(EzCOM)/ RS485 service station for more details. 03(EzCOM communication mode selection...
  • Page 82 ・Auto-tuning start is done by the RUN-key ([HA-02] Initial HA129 ASR gain mapping value) 0.0 to 1000.0(%) 100.0 I-gain 2, 1st-motor *1) This setting (03) is not suitable for LH1 series. HA130 Motor stabilization (Hunting) ASR gain mapping 0.0 to 1000.0(%) 100.0 P control P-gain 2, 1st-motor...
  • Page 83 ASR gain mapping P-gain 2, Same as HA128 [Hb103] are changed, the motor characteristics are set 2nd-motor according to the internal Hitachi table values. HA229 ASR gain mapping I-gain 2, ・The output is decided by setting the frequency and Same as HA129 2nd-motor voltage.
  • Page 84 1st-motor ・If the motor capacity[Hb102] and number of poles Output voltage (%) [Hb103] are changed, the motor characteristics are set according to the internal Hitachi table values. ・For no-rotation auto-tuning, the following variables are acquired:[Hb110] to [Hb114]. [Hb141] ・For rotation auto-tuning, the following variables are...
  • Page 85 Chapter 4 For parameter configuration [Hb150] to [Hb171] [Hb180] [Hb202] to [Hb280] Free V/f setting Output voltage adjustment Range Initial Code/Name (unit) value Code/Name Range (unit) Initial value Hb150 Hb180 0.00 to Free-V/f frequency 1 setting, Output voltage gain, 0.00 0 to 255(%) [Hb152](Hz) 1st-motor...
  • Page 86 ・When [AA121] is sensorless vector control ,start boost is HC210 Zero speed range limit, Same as HC110 possible. 2nd-motor(IM-0Hz-SLV) *2) *1)0Hz-SLV and CLV have no effect on LH1 series. HC211 Boost value at start, 2nd-motor Same as HC111 Secondary resistor compensation function (IM-SLV,IM-CLV) *2)
  • Page 87 *1) Hd-51 0 to 255(%) IVMS threshold current limit *1) Hd-52 0 to 255(%) IVMS threshold gain *1) Hd-58 IVMS carrier-frequency switching 0 to 50(%) start/finish point *1) *1) This setting is not suitable for LH1 series. 4-47...
  • Page 88 Hd202 Same as Hd102 depending on the type of option being used. For more Sync. Motor capacity setting, 2nd-motor information, contact to your supplier or local Hitachi distributor Hd203 or service station. Sync. Motor number of poles setting, Same as Hd103...
  • Page 89 0.00 to 3600.00(s) 30.00 deceleration time setting input/output option, For more information, contact to oC-22 SLS-B 0.00 to 3600.00(s) 30.00 your supplier or local Hitachi distributor or service deceleration time setting station. oC-24 SLS-B speed 0.00 to 590.00(Hz) 0.00 upper limit (Forward)
  • Page 90 1 to 65535( × 10ms) 3000 timeout(P1-EN) oH-05 502, 1024 to 65535 Modbus TCP Port No.(IPv4) (P1-EN) oH-06 502, 1024 to 65535 Modbus TCP Port No.(IPv6) (P1-EN) ・For more information, contact to your supplier or local Hitachi distributor or service station. 4-50...
  • Page 91 Writing register 8, Gr.A group selection(P1-PB) ・For more information, contact to your supplier or local oJ-09 0000 to FFFF 0000 Writing register 9, Gr.A Hitachi distributor or service station. oJ-10 0000 to FFFF 0000 Writing register 10, Gr.A oJ-11 0000 to FFFF 0000 Reading register 1 Gr.A...
  • Page 92 0000 to FFFF 0000 Reading register 10 Gr.B Reading register 10 Gr.C ・For more information, contact to your supplier or ・For more information, contact to your supplier or local Hitachi distributor or service station. local Hitachi distributor or service station. 4-52...
  • Page 93 0000 IPv6 default gateway (8) Gr.1 IPv6 default gateway (8) Gr.2 ・For more information, contact to your supplier or ・For more information, contact to your supplier or local Hitachi distributor or service station. local Hitachi distributor or service station. 4-53...
  • Page 94 For more information, contact to your supplier or local 05(Setting by terminal [Ai4])/ voltage monitor 06(Setting by terminal [Ai5])/ Hitachi distributor or service station. 07(Setting by terminal [Ai6]) PA-27 Optional output 400V Class: value setting for the 0.0 to 600.0(V)
  • Page 95 04(Monitor only) For more information, contact to your supplier or local ・Limit the displayed contents of the keypad. Hitachi distributor or service station ・For more information, contact to your supplier or local User-parameter setting function Hitachi distributor or service station.
  • Page 96 Trace signal 3 output Same as [CC-01] terminal selection next, when [Ub-05] is set to 1, initialize process is start. Ud-32 *1) LH1 series can only select 00(VLD), and the setting is 00(Input:[Ud-33])/ Trace signal 4 01(Output:[Ud-34]) forbidden to change.
  • Page 97 0 to 65535 EzSQ User parameter U(36) 07(50ms)/08(100ms)/ 09(500ms)/10(1000ms) UE-47 0 to 65535 EzSQ User parameter U(37) ・For more information, contact to your supplier or local Hitachi UE-48 0 to 65535 EzSQ User parameter U(38) distributor or service station. 4-57...
  • Page 98 Chapter 4 For parameter configuration [UE-49] to [UE-73][UF-02] to [UF-32] [Unit table] Range Initial Number Unit Number Unit Code/Name (unit) value UE-49 0 to 65535 EzSQ User parameter U(39) °F UE-50 0 to 65535 EzSQ User parameter U(40) l/min UE-51 0 to 65535 EzSQ User parameter U(41) UE-52...

  • Page 99: Chapter 5 Troubleshooting

    Chapter 5 Troubleshooting 5.1 Error events Next are the descriptions of the basic errors that may occur. For more information, contact to your supplier or local Hitachi distributor or service station . ■Trip event screen  Alarm lamp is blinking ■Error events...
  • Page 100 Hitachi distributor or service station . *1). E093 ※For others errors not shown above, contact to your supplier or local Hitachi distributor or service station . *1)STO function is not suitable for LH1 series. ■ Warning events ※Regarding the warnings, please refer to Page4-8. Fixing the parameter details shown in the panel screen may end the warning.
  • Page 101 Chapter 5 Troubleshooting 5.3 Possible errors and solutions  If the corrective action does not solve the problem, please contact to your supplier or local Hitachi distributor or service station . Event ▶ Estimated cause ▶ Corrective action ・Press a key of the Keypad and the screen will light up ・Keypad in idle mode...
  • Page 102 Chapter 5 Troubleshooting Event ▶ Estimated cause ▶ Corrective action ・ If output current is high, the overload restriction function ・Overload restriction function is [bA122] lowers the frequency. To increase the acceleration in use time [AC120], it is necessary to suppress the current increase.. ・The upper limit [bA102] setting may be low, and it should ・Frequency is being limited be increased.

  • Page 103: Chapter 6 Inspection And Maintenance

    The periodic inspection is a vital point that has to be carried out, for any periodic inspection, please Voltage supply fluctuation □ contact to your supplier or local Hitachi distributor or Line-to-line voltage balance □ service station. ✓...

  • Page 104: Daily And Periodic Inspections

    Inspection and maintenance Chapter 6 6.2 Daily and periodic inspections Inspection cycle Inspected Inspection Every Details of inspection Inspection method Criterion Tester device part entry Daily year years Ambient temperature, level of Thermometer Surrounding Check the ambient temperature, ○ Refer to the installation guide. humidity are withing the range.
  • Page 105 Inspection and maintenance Chapter 6 6.3 Insulation resistance test ・ When performing a insulation resistance test, remove all cables ・Before the main circuit test with a megger, remove the jumper for switching the inverter's internal filter function, and then to external circuits and the components connected to the terminals, to prevent it to be exposed to the test voltage.
  • Page 106 Inspection and maintenance Chapter 6 6.5 Checking method for inverter/converter ・Using the multimeter, you can check if the inverter or *1) Before checking the circuits, measure the voltage across terminals P and N with the multimeter in DC voltage range converter unit are defective or non-defective.
  • Page 107 Inspection and maintenance Chapter 6 6.6 Smoothing capacitor life span curve ※80% of the rated current value for continuous drive. Ambient temperature (°C) For continuous supplying power of 24h a day Capacitor life span (years) 2) The smoothing capacitor has a limited life because of 1)The ambient temperature is considered to be measured the chemical reactions occurring inside the capacitor around 5 cm of the bottom centre of the inverter...
  • Page 108 Inspection and maintenance Chapter 6 6.8 Input/output voltage, current and power measurement methods Standard equipment for measuring input/output voltage, current, and power measurement. Inverter Power Motor Supply Measured Measuring point Measuring instrument Remarks Standard reference values data Input R-S, S-T, Effective value 400V class:380～460V 50/60Hz Moving-iron voltmeter or...

  • Page 109: Chapter 7 Specifications

    Specifications Chapter 7 Chapter 7 Specifications 7.1 400V class specifications Model name LH1-***H/****H standard capacity 1100 1320 1600 Applicable motor capacity 18.5 (4 poles)(kW) Rated output 14.0 17.0 23.0 30.0 39.0 45.0 60.0 72.0 88.0 105.0 142.0 168.0 208.0 253.0 305.0 current(A) Overload current...
  • Page 110 *3) Regarding the speed range regulation of motor, the variable range depends on the client system and the environment in which the motor is used. Please contact Hitachi inverter distributers for more information. *4) Both the input power and output power are reference values, which are not appropriate for use in calculation of efficiency values, etc. To obtain an accurate value, use an external device.
  • Page 111 *11) In case of utilization at an altitude of 1000m or more, take into account that the atmospheric pressure is reduced by 1% for every 100m up. Apply 1% derating from the rated current by increasing every 100m, and conduct an evaluation test. When using above 2500m ambient, please contact Hitachi Inverter distributer. ®...
  • Page 112 Specifications Chapter 7 7.4 Current derating refer to the Current derating table as below. For using with carrier frequency over 2.1kHz, Please use the inverter within the current range according to the derating table of each model. Please note that exceeding the derating range may cause damage to the CAUTION inverter or shorten the service life.
  • Page 113 Specifications Chapter 7 7.4 Current derating(continue) refer to the Current derating table as below. For using with carrier frequency over 2.1kHz, Please use the inverter within the current range according to the derating table of each model. Please note that exceeding the derating range may cause damage to the CAUTION inverter or shorten the service life.
  • Page 114 Specifications Chapter 7 (Memo)
  • Page 115 Index FA1, FA2, FA3, FA4, FA5 ........4-36 FBV ..............4-37 absolute position control ........4-14 FM ..............2-20 accel/decal cureve selection ......4-12 FOC ..............4-33 acceleration curve constant ......4-12 forcible operation ..........4-33 acceleration time ..........4-13 forcing ...............
  • Page 116 Index STP ..............4-32 main circuit terminal ..........2-7 major failure signal ........... 4-36 manual torque boost ......... 4-44 Temporary frequency addition ......4-9 MI1, MI2, MI3, MI4, MI5, MI6, MI7, MI8 .... 4-33 test run ............... 1-3 MO1, MO2, MO3, MI4, MO5, MO6 ....4-37 thermistor ............

  • Page 117: Index

    Index (memo) Index - 3...
  • Page 118 Index Revised record Version No. Contant Update date NT9461 X Initial version 2020/1 ※We will Correct the incorrect words,missing words and so on without prior notice. Index - 4...

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