Hitachi WJ-C1 Series Getting Started
Hitachi WJ-C1 Series Getting Started

Hitachi WJ-C1 Series Getting Started

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Hitachi frequency inverter series
WJ-C1
Getting Started
WJ-C1 series

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  • Page 1 Machine Translated by Google Hitachi frequency inverter series WJ-C1 Getting Started WJ-C1 series...
  • Page 2 Machine Translated by Google HITACHI WJ-C1 Safety and warning information Before installing and commissioning the frequency inverter, please read this Getting Started carefully and observe all warnings and safety instructions. Always keep this Getting Started within easy reach near the frequency inverter.
  • Page 3 B. Accident prevention regulations, trade association regulations, VDE regulations, etc. must be observed. Since these regulations are handled differently in German-speaking countries, the user must observe the requirements that apply to him. HITACHI cannot release the user from the obligation to follow the latest safety regulations.
  • Page 4: Table Of Contents

    Machine Translated by Google HITACHI WJ-C1 Table of contents 1. Project planning ..........................5 1.1 Technical data ..........................5 1.2 Device structure ............................7 1.3 Dimensions............................8 1.4 Power connections...........................20 2. Assembly ........................... 23 2.1 Derating (power reduction) at higher clock frequencies ..
  • Page 5: Project Planning

    Machine Translated by Google HITACHI WJ-C1 5.25 Motor cable length ........................109 5.26 Starting frequency ..........................109 5.27 Torque limitation........................110 5.28 Clock frequency............................110 5.29 Initialization...........................111 5.30 Brake chopper...........................112 5.31 PTC thermistor input..........................113 5.32 Avoiding overvoltage tripping in generator operation........114...
  • Page 6 Torque control Can be implemented in the SLV working method without an additional incremental encoder Interfaces USB (Mini-USB), RJ45, serial RS485 (ModBus RTU) Bus systems Hitachi ASCII protocol, ModBus RTU; Optionally ProfiBus, ProfiNet, EtherCat RoHS, CE, cULus conformity Protective functions overcurrent, overvoltage, undervoltage, overload, overtemperature, earth fault, thermistor monitoring, braking resistor monitoring, restart interlock, Safe Torque Off safety function, communication monitoring, incremental encoder monitoring, PLC program monitoring, etc.
  • Page 7: Device Structure

    Machine Translated by Google HITACHI WJ-C1 1.2 Device structure RUN button: Start (A002=02) LED display (5 digits) STOP reset button: stop and Acknowledgment of faults USB port (Micro-B) ESC key to select (programming interface) Functional groups RJ45/RS422 interface Jog dial for selecting...
  • Page 8: Dimensions

    Machine Translated by Google HITACHI WJ-C1 1.3 Dimensions C1-001…004SF FU type Width Height Depth (T) Depth (T1) C1-001SF 109mm 13.5mm C1-002SF 68mm 128mm C1-004SF 122.5mm 27mm depth width height Line filter type FPF-9120-10-SW 71mm 169mm 35mm...
  • Page 9 Machine Translated by Google HITACHI WJ-C1 C1-007…022SF FU type Width Height Depth (T) Depth (T1) C1-007SF C1-015SF 108mm 128mm 170.5mm 55.5mm C1-022SF width height depth Line filter type FPF-9120-14-SW 111mm 169mm 40mm FPF-9120-24-SW...
  • Page 10 Machine Translated by Google HITACHI WJ-C1 C1-004…030HF Width FU type Height Depth (T) Depth (T1) C1-004HF 108mm 128mm 143.5mm 28.5mm C1-007HF C1-015HF 108mm 128mm 170.5mm 55.5mm C1-022HF C1-030HF Width Height depth Line filter type FPF-9340-05-SW 114mm 169mm 35mm FPF-9340-10-SW...
  • Page 11 Machine Translated by Google HITACHI WJ-C1 C1-040HF width height depth FU type C1-040HF 140mm 128mm 170.5mm width height depth Line filter type FPF-9340-14-SW 144mm 174mm 50mm...
  • Page 12 Machine Translated by Google HITACHI WJ-C1 C1-055…075HF width height depth FU type C1-055HF 140mm 260mm 155mm C1-075HF width height depth Line filter type FPF-9340-30-SW 150mm 306mm 52mm...
  • Page 13 Machine Translated by Google HITACHI WJ-C1 C1-110…150HF width height depth FU type C1-110HF 180mm 296mm 165mm C1-150HF width height depth Line filter type FPF-9340-50-SW 182mm 357mm 62mm...
  • Page 14 Machine Translated by Google HITACHI WJ-C1 Line filter FPF-9120-10-SW...
  • Page 15 Machine Translated by Google HITACHI WJ-C1 Line filter FPF-9120-14-SW, FPF-9120-24-SW...
  • Page 16 Machine Translated by Google HITACHI WJ-C1 Line filter FPF-9340-05-SW, FPF-9340-10-SW...
  • Page 17 Machine Translated by Google HITACHI WJ-C1 Line filter FPF-9340-14-SW...
  • Page 18 Machine Translated by Google HITACHI WJ-C1 Line filter FPF-9340-30-SW...
  • Page 19 Machine Translated by Google HITACHI WJ-C1 Line filter FPF-9340-50-SW...
  • Page 20: Connections

    Machine Translated by Google HITACHI WJ-C1 1.4 Power connections Fuse protection / cable cross sections For the design of the required cable cross-sections, see Chapter 3. Wiring and observe the applicable regulations regarding current carrying capacity of cables, type of installation and ambient temperature.
  • Page 21 Machine Translated by Google HITACHI WJ-C1 C1-007SF, C1-015SF, C1-022SF Mains connection 1-phase 230V + R.B Bridge V/T2 ÿ Mains connection motor connection Charge LED (lights up, if the intermediate circuit is under voltage) Clamp: M4 screw, clamp width: 9.9mm Protective conductor connection: M4×2...
  • Page 22 Machine Translated by Google HITACHI WJ-C1 C1-055HF, C1-075HF Mains connection 3-phase 400V Mains connection Motor connection R/L1 S/L2 T/L3 U/T1 V/T2 W/T3 PD/+1P/+ N/- RB G Bridge Protective conductor connection Clamp: M5 screw, clamp width: 13mm Charge LED (lights up when DC link under...
  • Page 23: Assembly

    Machine Translated by Google HITACHI WJ-C1 2. Assembly WARNING Environmental influences such as high temperatures and high humidity should be avoided, as should dust, dirt and aggressive gases. The installation location should be a well-ventilated place not exposed to direct sunlight. Install the device on a non-combustible, vertical wall that does not transmit vibrations.
  • Page 24: (Power Reduction) At Higher Clock Frequencies

    Machine Translated by Google HITACHI WJ-C1 2.1 Derating (power reduction) at higher clock frequencies For the types listed below, the permissible continuous output current must be reduced as specified at higher clock frequencies. All other types can be operated as individual devices with normal duty up to the maximum clock frequency of 15kHz or with low duty up to the maximum clock frequency of 10kHz with the specified rated current.
  • Page 25 Machine Translated by Google HITACHI WJ-C1 C1-007HF b049=00, normal duty b049=01, low duty Irated=3.4A (5.1A for 60s) Irated=4.1A (4.9A for 60s) 4.6A 4.6A 4.0A 4.0A 3.0A 3.0A 2.0A 2.0A 2 4 6 8 10 12 14 16kHz 2 4 6 8 10 12 14 16kHz...
  • Page 26 Machinery Directive 2006/42/EC (this corresponds to EN 60204). The responsibility for compliance with the EC guidelines when using the machine lies with the reuser. The CE mark of your HITACHI frequency inverter documents compliance with the Low Voltage Directive (2014/35/EC) and the EMC Directive (2014/30/EC), provided that the appropriate line filter is used and the installation is carried out in accordance with the regulations.
  • Page 27 Machine Translated by Google HITACHI WJ-C1 C1 with line filter Switch Max. motor Max. clock frequency limit according to EN61800-3 position (Function b083) cable length 10kHz C1-040HF FPF-9340-14-SW 10kHz 10kHz C1-055HF FPF-9340-30-SW 10kHz 10kHz C1-075HF FPF-9340-30-SW 10kHz 10kHz C1-110…150HF FPF-9340-50-SW...
  • Page 28 Machine Translated by Google HITACHI WJ-C1 Connection point is connected whose Ssc value is greater than or equal to the above value. If these devices are to be connected to the public low-voltage network without an intermediate circuit choke, then a connection permit must be obtained from the network operator.
  • Page 29 Machine Translated by Google HITACHI WJ-C1 Cable crossings should be made at an angle of 90°. Lay disruptive cables separately - minimum distance 0.25m - from interference-sensitive cables. The effective shielding area of these cables should be left as large as possible, ie do not place the shield further than absolutely necessary.
  • Page 30: Wiring

    • Do not apply mains voltage to the output terminals U/T1, V/T2, W/T3. • C1 series frequency inverters are suitable for connection to TN networks. Find out from Hitachi about the possibilities of operating on an IT network.
  • Page 31 Machine Translated by Google HITACHI WJ-C1 Cable cross sections and tightening torques The information applies to load settings Normal Duty (ND) and Low Duty (LD) Cable Clamp Clamp width Cable lug FU type Tightening torque cross section -Perfomance -Perfomance -Protective conductor...
  • Page 32: Compliance With Ul Standard

    Machine Translated by Google HITACHI WJ-C1 3.1 Compliance with UL standard This chapter summarizes the requirements for compliance with the UL standard. Generally C1 inverters are open AC voltage inverters with a single or three-phase mains connection and 3- phase motor connection. C1 inverters are designed to be installed in an enclosure. They provide the connected motor with an adjustable U/f ratio for a defined speed range.
  • Page 33 Machine Translated by Google HITACHI WJ-C1 FU type No semiconductor fuse Semiconductor fuse Maximum Manufacturer Tension Type current Cooper Bussman LLC C1-001SF FWH-10A14F C1-002SF FWH-15A14F C1-004SF FWH-15A14F C1-007SF FWH-60B C1-015SF FWH-60B C1-022SF FWH-60B C1-004HF FWH-15A14F Class J C1-007HF Class CC...
  • Page 34 Machine Translated by Google HITACHI WJ-C1 3.2 Connection and description of the power terminals WARNING • To avoid injuries and damage, do not touch any components inside the housing when mains voltage is present or the intermediate circuit capacitors are not discharged. Do not work on wiring or check signals when line voltage is present.
  • Page 35: Control Terminals

    Machine Translated by Google HITACHI WJ-C1 3.3 Connection and description of the control terminals Do not short-circuit terminals H and L or P24 and L, H, Ai2, Ao1. The control cables must be laid separately from the mains and motor cables. They should not exceed a length of 20m and must be installed in a shielded manner.
  • Page 36 Machine Translated by Google HITACHI WJ-C1 The control section can be supplied via an external 24VDC voltage source. In this case a diode must be installed as shown below. 3.3.1 Digital inputs Clamp function Description 24V control voltage for digital inputs 1, 2,...,7 Load max.
  • Page 37: Analog Inputs

    Machine Translated by Google HITACHI WJ-C1 3.3.2 Analog inputs Clamp function Description 10V reference voltage for Input Ai1 Setpoint specification -Impedance 10kÿ -Set at the factory 0…9.8VDC Max. 10mA -Permissible range -0.3…12VDC Analog input Frequency setpoint Input Ai2 0…10V -Impedance 100ÿ...
  • Page 38 Machine Translated by Google HITACHI WJ-C1 Terminal function Description pulse output / Load: max. 2mA, adjustment under C105 PWM output 0...10V Different output sizes can be selected using function C027: PWM signal: The ratio t/T changes proportionally Output size Pulse signal for frequency measuring device Frequency = output frequency x factor under b086, factory setting = 1), max.
  • Page 39: Sto

    Machine Translated by Google HITACHI WJ-C1 3.3.6 STO safety function DANGER • The “Safe Torque Off (STO”) function described here does not mean any galvanic isolation of the motor from the power supply. It simply prevents the motor from generating torque and thus being set in rotation.
  • Page 40 Machine Translated by Google HITACHI WJ-C1 State 1 State 2 State 3 State 4 Condition 5 signal OFF=STO OFF=STO ON or OFF Input ST1 OFF=STO OFF=STO ON or OFF Input ST2 Error detection no EDM ON output Power stage switched off...
  • Page 41 Machine Translated by Google HITACHI WJ-C1 status Display Description -S— ST1 and ST2 open. No inconsistency between ST1, ST2 and EDM signal. No interference -F01 No interference Inconsistency between ST1 and ST2. Delay of ST1 when switching from -S— (ST1, ST2=OFF) to normal operation (ST1, ST2=high).
  • Page 42 Machine Translated by Google HITACHI WJ-C1 Norms Remarks EN ISO 13849-1:2015 CAT 3, PLe IEC 61800-5-2:2016 SIL 3 EN61800-5:2017 UL1998 Diagnostic software class 1 IEC 60204-1:2016 Stop category 0 Safety characteristics according to EN ISO 13849-1:2015 Security function Safely switched off torque STO 3.38 x 10-10...
  • Page 43: Plc Control

    Machine Translated by Google HITACHI WJ-C1 3.4 PLC control Digital inputs can be switched in both positive logic (source) and negative logic (sink). To do this, the bridge must be connected as shown in the graphic below, either between PLC and L (positive logic) or between PLC and P24 (negative logic).
  • Page 44: Entering Parameters

    Machine Translated by Google HITACHI WJ-C1 4. Entering parameters 4.1 Description of the control panel RUN button ESC key -Start FU when A002=02 -Select function group -save changed value STOP RESET button -Stop FU (see b087) SET button -Acknowledge fault...
  • Page 45 Machine Translated by Google HITACHI WJ-C1 When the function code is displayed: Display of the set parameter Function group "d" Output frequency Advertisement Short code display Displays of the function group [d ***] are operating data and cannot be set.
  • Page 46 Machine Translated by Google HITACHI WJ-C1 ATTENTION Before switching on the supply voltage, the following points must be observed observe: • Check that the mains and motor cables are connected correctly. • The control lines are correctly connected to the corresponding terminals.
  • Page 47: Functions

    Machine Translated by Google HITACHI WJ-C1 5. Features 5.1 Overview of functions Display and diagnostic functions functional Display function Remarks number 0.00…590.00Hz Output frequency [Hz] 0.00…655.35A Motor current [A] F: Clockwise rotation Direction of rotation r: left rotation o: Stop 0.00…9999.00%...
  • Page 48 Machine Translated by Google HITACHI WJ-C1 functional Display function Remarks number Not i. O. Maintenance indicator for capacitors on logic i. O. and mainboard as well as cooling fans. 1: Capacitors on main and logic board If “Not OK” is displayed. O.”, the 2: Cooling fans (message if the speed of the corresponding components is <75% of the nominal speed;...
  • Page 49 Machine Translated by Google HITACHI WJ-C1 Display function Remarks functional number Display start command source 1: Digital input (A001=01) 2: RUN button (A001=02) 3: RS485 Modbus (A001=03) 4: Option card (A001=04) Total number of error messages 0.…65535.: Display in pieces...
  • Page 50: Parameter Functions

    Machine Translated by Google HITACHI WJ-C1 Parameter functions functional function Basic Setting range * Page number value 0.00Hz 0.00...A004 [Hz] Display / input Frequency setpoint PID controller active (A071=01/02): Display / input 0.00…100.00% (0.00…9999.00% PID controller setpoint taking into account the display factor A075) 1.
  • Page 51 Machine Translated by Google HITACHI WJ-C1 function Basic * Page Setting range functional value number 0...100% Min. setpoint at input Ai1 100% 0...100% Max. setpoint at input Ai1 Starting condition input Ai1 01 00: Min. frequency A011 01: 0Hz start Filter analog input 1...30 (x 2ms)
  • Page 52 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range * Page number value 00: Freewheel (at stop) tipping frequency, 01: Ramp (at stop) Stop mode 02: DC brake (at stop) 03: Freewheel (in operation) 04: Ramp (in operation)
  • Page 53 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range * Page number value 00: Cross DC brake, switch-on trigger 01: Level DC brake, start Normal Duty: 0...100% braking torque Low duty: 0…70% DC brake, start braking time 0.0s 0.0...60.0s...
  • Page 54 Machine Translated by Google HITACHI WJ-C1 functional function Basic Setting range * Page number value 00: active AVR function, 01: inactive Characteristic 02: inactive during shutdown 00: active AVR function, Characteristic 01: inactive 02: inactive during shutdown (2nd parameter set) 230/ C1-…SF: 200/215/220/230/240...
  • Page 55 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range * Page number value Min. setpoint at 0...100% input Ai2 Max. setpoint at 100% 0...100% input Ai2 Starting condition 00: Min. frequency A101 01: 0Hz start input Ai2 1...10...
  • Page 56 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range * Page functional number value restart 00: Fault message (no restart) 01: 0Hz start Undervoltage / power failure 02: Synchronization 1 03: Synchronization+Stop+Fault 04: Synchronization 2 1.0s 0.3...25.0s Permissible undervoltage /...
  • Page 57 Machine Translated by Google HITACHI WJ-C1 function Basic * Page Setting range functional value number 00: inactive current limit 1, Characteristic 01: active startup/constant freq. 02: active at constant frequency 03: active startup/constant frequency, in generator operation speed increase 00: inactive...
  • Page 58 Machine Translated by Google HITACHI WJ-C1 function Basic * Page functional Setting range number value Soft start 0: inactive 1...255: approx. 6ms per value 00: all functions display mode 01: associated functions 02: selected radio. (U001...U032) 03: changed functions 05: d001-d104...
  • Page 59 Machine Translated by Google HITACHI WJ-C1 function Basic * Page Setting range functional value number 100% 0…100% Analog setpoint comparator Input Ai2, maximum value 0…100% Analog setpoint comparator Input Ai2, minimum value 0…10% Analog setpoint comparator Input Ai2, hysteresis 0…100%, no...
  • Page 60 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range * Page functional number value Parameter selection for 00: All parameters Reset 01: except I/O and communication 02: only parameters in U001-U032 Factory setting 03: except U001-U032+b037 Release brake chopper...
  • Page 61 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range * Page functional value number Waiting time for 0.00s 0.00…5.00s delay Waiting time for brake 0.00s 0.00…5.00s confirmation 0.00Hz 0.00…590.00Hz brake release frequency FU Inn Brake release current 0...2 x FU nominal current [A] 0.00Hz 0.00…590.00Hz...
  • Page 62 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range * Page functional value number 00: Read/Write allowed Authorization data Read/Write with WOP 01: Read/Write disabled 00: no function Operating mode 01: Asynchronous motor up to 400Hz 02: Asynchronous motor up to 580Hz...
  • Page 63 83: HLD=hold output frequency (page 124) 84: REN=controller enable (page 124) 85: EB=incremental encoder track B (only input 7) 86: DISP=disable display (b038) 90: FIRE=Firemode active (contact Hitachi) 91: PSET=assign actual position (P083, d030) no: no function *n=not adjustable during operation / j=adjustable during operation...
  • Page 64 Machine Translated by Google HITACHI WJ-C1 function Basic * Page Setting range functional value number Digital input 1 NO/NC Digital input 2 NO/NC Digital input 3 00: Closer NO/NC 01: Opener Digital input 4 NO/NC Digital input 5 NO/NC Digital input 6...
  • Page 65 Machine Translated by Google HITACHI WJ-C1 functional function Basic Setting range * Page number value 00: RUN=Operation Digital output 11 00 01: FA1=Frequency setpoint reached (page 126) (RUN) 02: FA2=Freq. Exceeded (C042, C043, page 126) 03: OL= current exceeded (C041, page 126)
  • Page 66 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range * Page number value FU Inn current reference value 0.2...2.0 x FU rated current [A] (at C027=08 this current a frequency of 1.44kHz is output to Ao2-L) Digital output 11...
  • Page 67 Machine Translated by Google HITACHI WJ-C1 functional function Basic * Page Setting range number value 100% 0…200% “Torque exceeded” signal OTQ, setting value for clockwise rotation regenerative 00: always active “Torque exceeded” signal OTQ, 01: not active during ramp up/down...
  • Page 68 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range * Page functional value number 00: do not save Frequency setpoint specification via inputs FUP/FDN, 01: save Save setpoint Reset signal 00: on rising edge 01: on falling edge 02: on rising edge, active only in the...
  • Page 69 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range * Page number value 00: AND Logical link 2, 01: OR shortcut 02: XOR Logical link 3, Settings under C021…C022 Signal function 1 (except LOG1…LOG3, OPO, no) Logical link 3, Settings under C021…C022...
  • Page 70 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range * Page number value 00: inactive Auto tuning 01: static autotuning 02: dynamic autotuning 00: Engine data standard (H020…H024) 02: Autotuning (H030…H034) n137 _ Engine data 00: Standard (H220…H224) (2nd parameter set) 02: Autotuning (H230…H34)
  • Page 71 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range Page functional value number ÿ 0.001...65.53 ÿ 0.001...65.53 Standard motor constants 0.01...655.3mH H202=02 (2nd parameter set) 0.01...655.3A 0.001...9999kg/ m2 0.20 0.00...10.00 Slip compensation at U/f Portion I share 2 0...1000s...
  • Page 72 Machine Translated by Google HITACHI WJ-C1 function Basic functional Page Setting range number value 0…255 PM motor, initial magnet Position Estimation Detect Wait times 0…255 PM motor initial magnet Position Estimation 0V Times 0…200 PM motor initial magnet Position Estimation Voltage...
  • Page 73 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range Page number value 0.00Hz 0.00…120.00Hz Torque control, max. Frequency counterclockwise rotation Speed/torque control 0ms 0…1000ms switching time 1.00s 0.00…99.99s Option ProfiBus, Profi-Net, EtherCAT, watchdog timer Option ProfiBus, Profi-Net, 00: Fault E60/E69 EtherCAT, behavior at 01: Stop with ramp, fault.
  • Page 74 Machine Translated by Google HITACHI WJ-C1 functional function Basic * Page Setting range number value Positioning, 2 28 -1 0…268435455 (228 -1) Maximum position clockwise rotation Positioning, -2 28+1 0…-268435455(-2 28+1) Maximum position left rotation Positioning, travel path 00: According to position value...
  • Page 75 Machine Translated by Google HITACHI WJ-C1 function Basic Setting range * Page functional value number 0…65535 Program function variable U(18) 0…65535 Program function variable U(19) 0…65535 Program function variable U(20) 0…65535 Program function variable U(21) 0…65535 Program function variable U(22) 0…65535...
  • Page 76 Machine Translated by Google HITACHI WJ-C1 function Basic functional Setting range Page number value EzCOM Dataset 4 0000 0000….FFFF (value according to Source holding register Holding register table -1) EzCOM Dataset 5 1...247 Destination address EzCOM Dataset 5 0000 0000….FFFF (value according to...
  • Page 77 Machine Translated by Google HITACHI WJ-C1 functional function Basic Setting range Page number value 0...127 CANopen option, Node address 00: automatic CANopen option, Baud rate 01: 10kbps 02: 20kbps 03: 50 kbps 04: 125 kbps 05: 250 kbps 06: 500 kbps...
  • Page 78: Basic Functions

    Machine Translated by Google HITACHI WJ-C1 5.2 Basic functions 0.00Hz Display/enter frequency setpoint Setting range 0.00…590.00Hz • Display of the frequency setpoint. With activated PID controller (A071=01): Display of the PID Controller setpoint [%]. • Enter the frequency setpoint if A001=02 (or enter the PID controller setpoint [%] if additionally A071=01).
  • Page 79 Machine Translated by Google HITACHI WJ-C1 There are also the following options: • Retrieval of fixed frequencies via inputs SF1…SF7 or CF1…CF4 (A021...A035). Fixed frequencies have priority over other setpoint sources. Only jogging has even higher priority (A038, input JG).
  • Page 80: Motor Data

    Machine Translated by Google HITACHI WJ-C1 5.3 Engine data An optimal adaptation of the frequency inverter to the connected motor can be carried out using autotuning (see functions H001 and H002). If the motor data are known, they can also be entered directly into the functions H020...H224.
  • Page 81: Linking The Analog Inputs

    Machine Translated by Google HITACHI WJ-C1 5.4 Linking the analog inputs Switching the setpoint inputs with input AT Switching between input Ai1 and Ai2 with digital input AT. AT Off: Input Ai1 active AT On: Input Ai2 active Only in conjunction with an optional OPE-SRmini control unit.
  • Page 82 Machine Translated by Google HITACHI WJ-C1 5.5 Scaling analog input Ai1 (0...10V) Example: A015=00 A015=01 A011 15Hz A012 40Hz A012= A012= 40Hz 40Hz A013 20% (2V) A014 60% (6V) A011= A011= 15Hz 15Hz 0 A013= A014= A013= A014= 100% 100%...
  • Page 83 Machine Translated by Google HITACHI WJ-C1 5.6 Fixed frequencies Fixed frequencies can be accessed via digital inputs in two ways: 1. Retrieval of up to 15 fixed frequencies (function A21...A35) BCD-coded via digital inputs CF1...CF4 (C001…C007=02…05, A019=00). Fixed frequency / function...
  • Page 84 Machine Translated by Google HITACHI WJ-C1 5.7 Jog operation Typing 6.00Hz Setting range frequency 0.00…10.00Hz The jogging mode is activated via input JG (C001…C007=06) and is used, for example. B. for setting up a machine in manual operation. Since the ramp-up ramp is not active in jogging mode, a fault message (overcurrent) can be triggered if the jogging frequency is selected too high.
  • Page 85: Boost

    Machine Translated by Google HITACHI WJ-C1 5.8 Boost The boost compensates for the voltage drop in the ohmic portion of the motor's stator winding (Motor constant R1). This voltage drop leads to a reduction in torque, particularly at low frequencies or voltages.
  • Page 86 Machine Translated by Google HITACHI WJ-C1 Automatic boost, voltage increase 0…255 Setting range Automatic boost, slip compensation Setting range 0…255...
  • Page 87: Working Procedures, U/F Characteristics, Slv

    Machine Translated by Google HITACHI WJ-C1 5.9 Working procedures, U/f characteristics, SLV Working procedures U/f characteristic, U ÿ f (constant) U/f characteristic curve, U ÿ f 1.7 for e.g. B. for centrifugal pumps and fans Freely adjustable U/f characteristic according to the setting under b100...b113...
  • Page 88 Machine Translated by Google HITACHI WJ-C1 Measures to function Operating state behavior More motoric H021, H221, Slip compensation increase motor constant R2 (approx. Operation H031, H231 too low 1.2 x current value) H021, H221, Overcompensation Reduce motor constant R2 (approx.
  • Page 89: Dc Brake

    Machine Translated by Google HITACHI WJ-C1 5.10 DC brake WARNING The DC brake causes additional heating of the connected motor. Enter the smallest possible values for the braking time and braking torque. Check whether the motor is heating up to an unacceptable level due to the use of the DC brake.
  • Page 90 Machine Translated by Google HITACHI WJ-C1 DC brake, switch-on trigger Switch on the DC brake by a rising edge at digital input DB (take into account waiting time A053, braking torque A054 and braking time A056!) Switch on the DC brake using an ON signal at digital input DB (take waiting time A053 and braking torque A054 into account!) With functions A057 and A058 the DC brake can be activated before starting the motor.
  • Page 91 Machine Translated by Google HITACHI WJ-C1 5.12 Frequency jumps To avoid any resonances that may occur in the drive system, it is possible to program three frequency jumps under functions A063...A068. 0.00Hz 1…3. Frequency jump 0.00… Setting range 590.00Hz 0.50Hz 1…3 frequency jump, jump width 0.00…...
  • Page 92 Machine Translated by Google HITACHI WJ-C1 5.14 PID controller Activation of the PID controller with A071=01. If one of the digital inputs is also programmed as PID (function C001...C007=23), the controller can be switched off via this input become. The manipulated variable of the PID controller is the output frequency. The control range of the frequency inverter is limited to 0Hz (or the frequency set under A062) and up to the frequency entered under A004 (or A061).
  • Page 93 Machine Translated by Google HITACHI WJ-C1 Output signals Parameter function Symbol PID control deviation exceeded C021…C026=04 Signal if the deviation between the set setpoint and the returned actual value is greater than the value set under function C044. actual value Setpoint Signal “OD”...
  • Page 94 Machine Translated by Google HITACHI WJ-C1 PID controller active PID controller inactive PID controller active, no reversal if the PID results are negative calculation PID controller active, reversal if the PID calculation results are negative 1.00 PID controller, P Setting range component 0…25...
  • Page 95 Machine Translated by Google HITACHI WJ-C1 PID controller, pre-control No pre-control Precontrol via analog input Ai1-L (0…10V) Pre-control via analog input Ai2-L (0…20mA) The analog input selected under this function to supply the precontrol can also be selected to specify the...
  • Page 96 Machine Translated by Google HITACHI WJ-C1 5.15 Automatic voltage regulation AVR The AVR function (Automatic Voltage Regulation) stabilizes the motor voltage when the DC link voltage fluctuates (e.g. due to an unstable network or because of DC link voltage dips or increases due to short ramp- up or ramp-down times) in order to achieve such a high torque - in particular during startup - to be maintained.
  • Page 97 Machine Translated by Google HITACHI WJ-C1 5.17 Time Ramps During operation, you can switch from the time ramps set under function F002 or F003 to the time ramps programmed under A092 and A093. This can either be done at any time using an external signal on digital input 2CH (A094=00, left picture), or when certain, fixed frequencies are reached (A094=01, A095, A096, middle picture).
  • Page 98: Setpoint Inversion

    Machine Translated by Google HITACHI WJ-C1 5.18 Scaling analog input Ai2 (4...20mA) A105=01 A105=00 Example: Max. Freq. A004 Max. Freq. A004 A102=40Hz A102=40Hz A101 15Hz A102 40Hz A103 20% (4mA) A104 60% (12mA) A101=15Hz A101=15Hz A103= A104= 100% 0 A103=...
  • Page 99 Machine Translated by Google HITACHI WJ-C1 5.19 Automatic restart after fault WARNING This function causes the frequency inverter to restart automatically in the event of a fault after the set waiting time has elapsed - if a start command is still pending. It must be ensured that no persons are endangered in the event of a restart.
  • Page 100 Machine Translated by Google HITACHI WJ-C1 Example 2 Example 1, b001=02 t0: Mains failure time t1: Permissible mains failure time (b002) t2: Waiting time before restart (b003) network ON OFF network OUT OF Operation Operation Freewheel Freewheel Engine speed Engine speed...
  • Page 101 Machine Translated by Google HITACHI WJ-C1 If the motor's rotating field frequency is lower than the frequency programmed under b007, then the frequency inverter starts at 0Hz (example 4). t0: Mains failure time Example 4 Example 3 t2: Waiting time before restart (b003)
  • Page 102 Machine Translated by Google HITACHI WJ-C1 5.20 Electronic engine protection The C1 series frequency inverters can monitor the connected motor for overload using an electronic bimetal simulation. The electronic motor protection is activated via function b012 matched to the rated current of the motor. If input values > rated motor current, the motor cannot be monitored using this function.
  • Page 103 Machine Translated by Google HITACHI WJ-C1 Constant load moment (b013=01) time without Load setting b049=00 Triggering reducing Normal Duty ND a fault factors C1-075HF / In=18A message Motor 7.5kW / In=18A (E05) b012=18A x 1.0 Frequency=1.5Hz x 0.8 0.5s Output current [A] 50Hz output frequency 17.8A...
  • Page 104 Machine Translated by Google HITACHI WJ-C1 With b910=01…03, the electronic overload monitoring of the frequency inverter and that of the motor are carried out separately. The following applies to overload monitoring of the frequency inverter: • The characteristic values for overload monitoring of the frequency converter are permanently stored (identical with b012=FU rated current, b013=01) •...
  • Page 105: Current Limit

    Machine Translated by Google HITACHI WJ-C1 5.21 Current limit The current limit limits the motor current, e.g. B. when accelerating large masses such as fans or centrifuges. As soon as the motor current reaches the set current limit, the frequency inverter stops ramping or reduces the output frequency in static operation to reduce the load current (time constant for control: b023 or b026).
  • Page 106 Machine Translated by Google HITACHI WJ-C1 5.22 Load setting (dual rating) The C1 series frequency inverters can be set to 2 different load characteristics: b049=00: Normal Duty ND (overload capacity 50% for 60s) for dynamic applications in mechanical engineering, such as B. Lift drives and positioning.
  • Page 107 Machine Translated by Google HITACHI WJ-C1 function Core value Setting range functional Value according to number Switch to LD A044*1 Working procedures 00: U/f constant 01: U/f-square 02: U/f free b100-b113 A054 0...70% DC brake, Braking torque A057 0...70% DC brake, start...
  • Page 108 Machine Translated by Google HITACHI WJ-C1 5.23 Synchronization to the engine speed The C1 offers two different methods under function b088 to synchronize to the speed of a motor that is rotating without voltage. Motor synchronization No synchronization (0Hz start)
  • Page 109: Motor Cable Length

    Machine Translated by Google HITACHI WJ-C1 5.24 Parameter backup The parameter backup protects entered parameters from being lost due to overwriting. If parameter backup is activated, no parameters can be changed (see function b031). Parameter backup Parameter backup via digital input SFT; With the exception of b031, all other functions are blocked.
  • Page 110: Torque Limitation

    Machine Translated by Google HITACHI WJ-C1 5.27 Torque limitation Torque limitation mode Individual limitation of the torque in each of the 4 quadrants (functions b041 ...b044, 0...200%) Torque Drive (b041) Feed back (b042) Left rotation Right hand rotation Drive (b043) Feed back (b044) Selection of the 4 torque limits b041…b044 binary via the digital inputs TRQ1 and...
  • Page 111: Initialization

    Machine Translated by Google HITACHI WJ-C1 5.29 Initialization Factory setting / initialization Initialization inactive Delete fault message register Load factory settings Delete fault message register + load factory settings Delete fault message register + load factory settings, delete EzSQ program When delivered, all C1 series frequency inverters are initialized, ie they are programmed with the parameters of the factory default setting.
  • Page 112: Brake Chopper

    Machine Translated by Google HITACHI WJ-C1 5.30 brake chopper C1 frequency converters have an integrated brake chopper. A brake chopper is used to reduce the regenerative power (braking power) of a drive. Braking power always occurs when the rotating field frequency imposed by the frequency converter is smaller than the rotor rotating field frequency of the motor.
  • Page 113: Ptc Thermistor Input

    Machine Translated by Google HITACHI WJ-C1 0.0% Brake chopper duty cycle (ED) 0.0…100.0% Setting range Function b090 is essentially used to monitor the overload of the connected braking resistor and the built-in chopper transistor. If 0% is entered, the brake chopper is not ready for operation.
  • Page 114: Avoiding Overvoltage Tripping In Generator Operation

    Machine Translated by Google HITACHI WJ-C1 5.32 Avoiding overvoltage tripping in generator operation Avoiding overvoltage tripping E07 Avoiding overvoltage tripping E07 not active Avoid overvoltage fault E07 by extending the shutdown time. Avoid overvoltage fault E07 by increasing the frequency b130=01: The drive is braked with the set deceleration time.
  • Page 115 Machine Translated by Google HITACHI WJ-C1 380V/760V DC Limit value for intermediate circuit voltage C1-…SF: 330…400VDC Setting range C1-…HF: 660…800VDC This value must be greater than the DC link voltage of the frequency inverter in the unloaded state (UDC=input voltage x ÿ2; with an input voltage of 240V the DC link voltage is 339VDC and with an input voltage of 400V the DC link voltage is 566VDC).
  • Page 116: Digital Inputs 1

    Machine Translated by Google HITACHI WJ-C1 5.33 Digital inputs 1...7 The digital inputs 1...7 can be assigned various functions under function C001...C007. Each input can be assigned any function (exception: thermistor: only input 5, incremental encoder track B only input 7). A function cannot be programmed twice - on two control inputs at the same time. The inputs can be programmed as normally open or normally closed in function C011...C017 (factory setting: normally open).
  • Page 117: Parameter Set

    Machine Translated by Google HITACHI WJ-C1 Parameter function symbol 2. Parameter set The SET input switches the frequency inverter to the parameters for operating a second motor. Switching only occurs at standstill when 0Hz is reached and there is no start command. The parameter set switching does not work if the command is issued at the same time as the start command.
  • Page 118 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Parameter backup The parameter backup protects entered parameters from being lost due to overwriting. b031=00 SFT=ON Only b031 can be changed b031=01 SFT=ON b031, F001, A020, A220, A021…A035, A038 can be changed...
  • Page 119 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Impulse start Parameter function symbol Impulse stop Parameter function symbol Pulse control / direction of rotation The frequency inverter can be started or stopped using pulses using the STA and STP inputs.
  • Page 120 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Increase frequency Parameter function symbol Reduce frequency Parameter function symbol Reset frequency FUP=ON: Increase the frequency when setting A001=02 or recall a fixed frequency. FDN=ON: Decrease the frequency when setting A001=02 or get a fixed frequency.
  • Page 121 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Current limit 2 Activation of current limit 2 (b024…b026). Parameter function symbol Torque limit Activation of the torque limit (b040…b045). Parameter function symbol TRQ1 Torque limit (BCD, bit 1) Parameter function...
  • Page 122 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Brake release confirmation For more information, see Users Guide. Parameter function symbol Ramp up/down ramp inactive LAC=ON: Ignoring the set time ramps. The output frequency immediately follows the setpoint. Parameter function...
  • Page 123 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol X(00) EzSQ program digital input 1 Parameter function symbol X(01) EzSQ program digital input 2 Parameter function symbol X(02) EzSQ program digital input 3 Parameter function symbol X(03) EzSQ program digital input 4...
  • Page 124 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Selection of positions (BCD, Bit1) Parameter function symbol Selection of positions (BCD, Bit2) Parameter function symbol Selection of positions (BCD, Bit3) These functions are only available for positioning (P003=01, P012=02). For more information, see Users Guide.
  • Page 125: Response Time Of The Digital Inputs

    Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Track B for incremental encoder connection (digital input 7 only) This function is only available for positioning (P003=01, P012=02). For more information, see Users Guide. Parameter function symbol DISP Advertisement With this function, only the value selected under b038 is displayed.
  • Page 126: Digital Outputs 11

    Machine Translated by Google HITACHI WJ-C1 5.35 Digital outputs 11...12, relay output AL The digital outputs 11...12 and the relay output can be programmed with various signal functions: Overview of the functions of the digital outputs and the relay The digital outputs are programmed with function C021...C022 (corresponding to output 11...12, programming of the relay AL under C026;...
  • Page 127 Machine Translated by Google HITACHI WJ-C1 The response time for this function is set using functions C901 and C902. The switching hysteresis is set under function C903. When specifying the frequency setpoint via analog input (A001=01), it can happen that constant operation is not recognized if there are disturbances in the setpoint signal.
  • Page 128 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Torque limitation active Torque limitation active (see b040) Parameter function symbol Operating time exceeded Operating time d016 has exceeded the value in b034. Parameter function symbol Power on time exceeded Mains on time d017 has exceeded the value in b034.
  • Page 129 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Frequency exceeded 2 Output frequency ÿ C045 / C046. See description of signal function FA2. Parameter function symbol Frequency reaches 2 Output frequency=C045/C046. See description of signal function FA3. Parameter function...
  • Page 130 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol ModBus communication interrupted See function C077. Parameter function symbol LOG1 Result logical link 1 Parameter function symbol LOG2 Result logical connection 2 Parameter function symbol LOG3 Result logical connection 3 The result of up to 3 logical operations (“AND”, “OR”, “XOR”) of two signal functions (except LOG1…LOG3) can be applied to the outputs 11…12 and to the relay AL.
  • Page 131 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol begin A start command is pending. Parameter function symbol Heat sink over temperature Heat sink temperature > C064. Parameter function symbol Current falls below Output current < C039. C038=00: Monitoring throughout the entire operation...
  • Page 132 Machine Translated by Google HITACHI WJ-C1 Parameter function symbol Serious disorder There is one of the following problems: -E08: Memory error -E11: CPU error -E14: Earth fault -E30: IGBT malfunction Parameter function symbol WCAi1 Analog setpoint comparator input Ai1 Parameter function...
  • Page 133 Machine Translated by Google HITACHI WJ-C1 b145=05 [ST1] b146 b146 [ST2] -F01 Advertisement -S-- -S-- -F20 -F02 [FSC] AL (disturbance) RS (reset) b145=06 [ST1] [ST2] Advertisement -F20- -S-- -F02 [FSC] AL (disturbance) RS (reset) Parameter function symbol No function...
  • Page 134: Analog Output Ao1, Adjustment/Offset

    Machine Translated by Google HITACHI WJ-C1 5.36 Analogue output Ao1, adjustment/offset 100% Adjustment output Ao1 50…200% Setting range Offset output Ao1 0…100% Setting range Example: Adjustment of analog output Ao1 Example: Offset analog output Ao1 C028=01 (motor current), C109=0% (no offset)
  • Page 135: Reset Signal, Error Acknowledgment

    Machine Translated by Google HITACHI WJ-C1 5.38 Reset signal, error acknowledgment Reset signal error acknowledgment on rising edge at RS. The output stages are switched off if RS occurs during operation (factory setting) Error acknowledgment on falling edge at RS. The output stages are switched off if RS occurs during operation.
  • Page 136: Autotuning, Engine Data

    On the one hand, it is possible to access the saved Hitachi standard motor data, to read out the data of the connected motor using autotuning or to request and enter the data from the motor manufacturer.
  • Page 137 Machine Translated by Google HITACHI WJ-C1 Return to normal display with STOP/RESET button. Dynamic autotuning procedure Step 3: Activation Step 1: Enter Step 2: Enter Auto tuning Motor size/number corner frequency/ Motor voltage Motor poles H001 A003 corner frequency H003...
  • Page 138: Pulse Frequency Signal

    Machine Translated by Google HITACHI WJ-C1 5.41 Pulse frequency signal Frequency setpoint, PID controller setpoint or PID controller actual value can be specified as a pulse frequency signal at terminal 8 - L. Frequency setpoint, PID controller setpoint: A001=06 PID controller actual value: A071=01, A076=03...
  • Page 139: Torque Control

    Machine Translated by Google HITACHI WJ-C1 5.42 Torque control Torque control is possible using the Vector Control working method (A044=03). Torque control is activated via a digital input with the ATR function (52). The torque setpoint is specified via analog inputs, control unit or option card.
  • Page 140: Commissioning

    Machine Translated by Google HITACHI WJ-C1 6. Commissioning In principle, two conditions must be met for the frequency converter to operate: The frequency converter must receive a start command . How the start command is issued is determined under function A002. In the factory default setting, the start command is sent via one of the digital inputs 1 (FW) or 2 (RV).
  • Page 141: Warnings

    Machine Translated by Google HITACHI WJ-C1 7. Alerts Conflicting parameter entries (e.g. Min. operating frequency A062 > Maximum frequency A004) are displayed with warning messages. The PRG LED flashes and the frequency converter cannot be started. Display indication Meaning Max. operating frequency, A061 / A261 > Min.
  • Page 142: Wj-C1

    Machine Translated by Google HITACHI WJ-C1 8. Error messages The frequency converters are equipped with protective devices such as: B. Protection against overcurrent, overvoltage and undervoltage. When one of the various protective functions is triggered, the output voltage is switched off - the motor runs freely and the device remains in the fault status until the fault message is acknowledged.
  • Page 143 Machine Translated by Google HITACHI WJ-C1 Fault remedy Description Possible Cause message Overcurrent in the The motor rated current is greater than Select a frequency inverter with a higher output. the frequency converter rated current. power output stage, ÿ200% FU nominal Avoid overload.
  • Page 144 The mains voltage is too low. Check mains voltage. intermediate circuit Activate restart (b001…b008) C1-…SFE: ÿ173VDC C1-…HFE: ÿ345VDC Contact Hitachi Service. Current transformer defective. Current transformer fault Processor faulty Strong electromagnetic fields surrounding the frequency inverter and have an effect on the external circuitry of the frequency inverter and cause faults.
  • Page 145 Check signals at ST1 and ST2. Security entrances inconsistent (b145=02). See chapter 3.3.6 ST1 and ST2 STO safety function, page 39 Contact Hitachi Service Fault in the STO STO malfunction shutdown paths. *3: Error acknowledgment only possible by switching the mains voltage off and on.
  • Page 146 Machine Translated by Google HITACHI WJ-C1 Additional Reports Description Advertisement Reset Digital input with the RS function is active or the STOP/RESET button is activated Error acknowledgment was pressed The frequency converter is in standby mode while the input voltage has dropped.
  • Page 147 Machine Translated by Google Head Technology & Service Center office Hitachi Drives & Automation Hitachi Drives & Automation GmbH GmbH Niederkasseler At Sülz Castle 29 Lohweg 191 D-40547 D-53797 Lohmar Düsseldorf Tel.: 0211 Tel.: 02205 72216 0 730 621 60 Fax.: 0211 730 621 89 Email: info@hitachi-da.com...

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