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Frequency inverter · Quick Start Guide

Multi-speed operation Kinco KC100 and KC200

Call up fixed speeds via switches or a PLC, without a potentiometer or analog signal: you store up to eight (KC100) or 16 frequencies (KC200) in the drive and select them via digital inputs. Ideal for conveyors, pumps and fans with fixed operating points.

Before connecting

  • Disconnect all supplies and wait at least 10 minutes until the charge indicator has gone out. Only then touch the terminals.

  • The digital inputs are rated for 9–30 V DC. Never apply mains voltage to the control terminals.

  • The KC100 and KC200 have no STO. Implement safe motor shutdown on site with a contactor or safety circuit.

  1. 1Set the frequency source to multi-referenceRequired

    The drive separates two questions: where does the run command come from (control source F01.03), and where does the frequency come from (frequency source F01.04)? For multi-speed operation you change the frequency source. Digital inputs then select one of the stored frequencies.

    F01.04 has the same settings on the KC100 and KC200 and can only be changed at standstill.

    ParameterValueMeaning
    F01.048Frequency source X = multi-reference
    F01.031Control source = terminals, if DI1 starts the motor (factory default 0 = keypad)

    With F01.03 = 0 (factory default) you start on the keypad with RUN. The terminals then only select the frequency. If a PLC or a switch is to start the motor, set F01.03 = 1.

    Source: Manual KC100 V2.14 and KC200 (09/2026) chap. 5.2.8; vfd-konfig kc100/01-basis, kc200/01-basis

  2. 2Assign digital inputs as multi-reference terminalsRequired

    Each multi-reference terminal is one bit. One terminal selects between two steps, two terminals between four, three between eight. The KC200 has a fourth terminal and therefore 16 steps.

    You can choose freely which input carries the function. Here DI1 stays forward run and the multi-reference terminals follow in order from DI2. DI2 is reverse run by default and is changed to multi-reference terminal 1. The parameters of group F08 can only be changed at standstill.

    ParameterValueMeaning
    F08.001DI1 = forward run (factory default, keep)
    F08.0121DI2 = multi-reference terminal 1 → 2 steps (instead of reverse)
    F08.0222DI3 = multi-reference terminal 2 → 4 steps
    F08.0323DI4 = multi-reference terminal 3 → 8 steps
    F08.0424KC200 only: DI5 = multi-reference terminal 4 → 16 steps

    How many multi-reference terminals do you need?

    StepsTerminalsFunction valuesDevice
    2121KC100, KC200
    4221, 22KC100, KC200
    8321, 22, 23KC100, KC200
    16421, 22, 23, 24KC200 only

    Still need reverse? KC200: DI6 is free, F08.05 = 2. KC100: it has only four digital inputs. The analog input can take over reverse: F18.00 = 2 turns AI into a digital input, active above 7 V (F12.28), inactive below 3 V (F12.27, both factory defaults). The wiring, e.g. a contact from 10V to AI, is derived and not shown in the manual.

    The contacts switch between DIx and COM. The OP–+24V jumper stays as delivered.

    KC100: Show wiring “Preset speeds via switches”KC200: Show wiring “Preset speeds via switches”

    Source: Manual chap. 5.2.8; vfd-konfig kc100/02-io (F08, F18), kc100/06-funktionen (F12.27/F12.28), kc200/02-io (F08), kc100/08-klemmen, kc200/10-klemmen

  3. 3Enter the step frequenciesRequired

    The frequencies are in group F17. Steps 1 to 7 (KC100) or 1 to 15 (KC200) are fixed values between 0.00 Hz and the maximum frequency F01.11. All are set to 5.00 Hz by default. You can change them at any time, even while running.

    Step 0 is special: it applies when all multi-reference terminals are OFF and takes its value from the source set in F17.00. By default this is the keypad frequency setting F01.10, which is 50.00 Hz.

    ParameterValueMeaning
    F17.000 (factory default)Source for step 0: 0 = keypad (F01.10) · 1 = AI (KC200: AI1, 2 = AI2, 3 = AI3) · 4 = potentiometer · 5 = communication · 6 = pulse input · 7 = PID
    F17.01z. B. 20.00 HzStep 1
    F17.02z. B. 30.00 HzStep 2
    F17.03z. B. 50.00 HzStep 3
    F17.04–F17.07as requiredSteps 4–7, three or more terminals
    F17.08–F17.15as requiredKC200 only: steps 8–15, four terminals

    Step 0 is not a stop position. With a run command and all terminals OFF, the motor runs at the frequency from F17.00, i.e. 50.00 Hz by default. If it should run slowly there, adjust F01.10. If it should stand still, remove the run command.

    Steps that no terminal combination reaches do not need to be set to zero.

    Between two steps the drive follows the acceleration and deceleration ramp (F01.23/F01.24).

    Source: Manual chap. 5.2.8 and group F17; vfd-konfig kc100/06-funktionen, kc200/07-funktionen, kc100/01-basis and kc200/01-basis (F01.10, F01.11)

  4. 4Which terminals select which step?Required

    The multi-reference terminals form a binary number: terminal 1 counts 1, terminal 2 counts 2, terminal 3 counts 4, terminal 4 counts 8. The sum of the terminals that are ON is the step. Example: terminals 1 and 3 ON → 1 + 4 = step 5 (F17.05).

    Try it right in the table: tap the terminals and the matching step is highlighted.

    Terminal combinations (ON = input active, contact closed; factory default F08.14)

    StepTerminal 4 (24)Terminal 3 (23)Terminal 2 (22)Terminal 1 (21)Frequency fromDevice
    0OFFOFFOFFOFFSource F17.00KC100, KC200
    1OFFOFFOFFONF17.01KC100, KC200
    2OFFOFFONOFFF17.02KC100, KC200
    3OFFOFFONONF17.03KC100, KC200
    4OFFONOFFOFFF17.04KC100, KC200
    5OFFONOFFONF17.05KC100, KC200
    6OFFONONOFFF17.06KC100, KC200
    7OFFONONONF17.07KC100, KC200
    8ONOFFOFFOFFF17.08KC200 only
    9ONOFFOFFONF17.09KC200 only
    10ONOFFONOFFF17.10KC200 only
    11ONOFFONONF17.11KC200 only
    12ONONOFFOFFF17.12KC200 only
    13ONONOFFONF17.13KC200 only
    14ONONONOFFF17.14KC200 only
    15ONONONONF17.15KC200 only

    Source: Manual KC100 V2.14 table 5-15, KC200 (09/2026) table 5-20

  5. 5Change steps via ModbusOptional

    A PLC can rewrite the step frequencies via Modbus RTU while the terminals keep doing the selection. Parameter registers consist of group and index: F17.01 is at 0x1101 (EEPROM) or 0x9101 (RAM). The value counts in 0.01 Hz, so 2000 means 20.00 Hz.

    If the PLC writes cyclically, use the RAM address. The EEPROM only tolerates a limited number of write cycles. The EEPROM address is meant for values you set once.

    Registers for the steps

    ParameterRAMEEPROMValue
    F17.010x9101 (37121)0x1101 (4353)0.01 Hz, z. B. 2000 = 20.00 Hz
    F17.020x9102 (37122)0x1102 (4354)0.01 Hz
    F17.070x9107 (37127)0x1107 (4359)0.01 Hz
    F17.15 (KC200 only)0x910F (37135)0x110F (4367)0.01 Hz

    Step 0 can come directly from the Modbus setpoint: F17.00 = 5, value on 0x7010 (28688). Scaling: 0–10000 corresponds to 0–100 % of the maximum frequency F01.11. Example (calculated): F01.11 = 50.00 Hz, 30.00 Hz required → 6000.

    0x7010 is a single register for all setpoints set to communication. Step 0 and a PID setpoint therefore cannot both be written via Modbus at the same time.

    Source: vfd-konfig kc100/03-modbus, kc100/04-modbus-protokoll, kc200/03-modbus, kc200/04-modbus-protokoll (address scheme, example F17.01–F17.03, 0x7010)

  6. 6First run and troubleshootingRequired

    Complete all items before the first start. Motor data and motor auto-tuning are covered by the commissioning guide on your device's support page.

    If the wrong step is selected

    ObservationCauseRemedy
    Motor runs at 50 Hz although all terminals are OFFStep 0 uses F01.10, factory default 50.00 HzAdjust F01.10 or F17.00, or remove the run command
    Step jumps or is permanently higherAn input is active unintentionally, e.g. a wire touching +24VRead the DI status in D00.16 (KC100: bit 0–3 = DI1–DI4), check the wiring
    Terminal acts invertedInput logic set to “active when open”Check F08.14 (KC200 DI6: F08.15), factory default 0 = active when closed
    Frequency does not changeF01.04 is not set to 8, or F01.09 binds another sourceF01.04 = 8, F01.09 = 0x000 (factory default)

    Source: vfd-konfig kc100/02-io (F08.14), kc100/07-monitor (D00.16), kc200/02-io, kc200/08-monitor, kc100/01-basis and kc200/01-basis (F01.09, F01.10)

Revision 2.0 · 26.09.2026 · Source: Kinco KC100 User Manual V2.14 and KC200 User Manual (09/2026), each chap. 5.2.8 and parameter groups F01, F08, F17; prepared in spstiger vfd-konfig (kc100/01-basis, 02-io, 03-modbus, 06-funktionen, 07-monitor; kc200/01-basis, 02-io, 03-modbus, 07-funktionen, 08-monitor). The manufacturer manual and applicable standards take precedence; installation and commissioning by a qualified electrician only.

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Compact Kinco frequency inverter KC100 single-phase and three-phase 230/400 V AC
Compact Kinco frequency inverter KC100 single-phase and three-phase 230/400 V AC
If you are looking for a compact frequency inverter for driving asynchronous motors and need real Modbus RTU, vector control and an integrated brake chopper, the Kinco KC100 offers a cost-effective solution without compromises on functionality or reliability. With power ratings from 0.4 to 5.5 kW, the KC100 covers most standard applications in mechanical engineering and automation — single-phase 230 V or three-phase 400 V. 🏭 Typical Applications Pumps & fans with PID control: The integrated PID controller enables simple pressure regulation, flow control or temperature management — without external controllers. Frequency setpoint via analog input 0–10 V or 0–20 mA. Conveyor technology and series machines: The S-curve ramp provides smooth acceleration and deceleration — ideal for positioning tasks or high-inertia loads such as conveyor belts and winding drives. Integration into Modbus RTU networks: Unlike its predecessor CV20, the KC100 uses real Modbus RTU (RS-485) with standard function codes — it integrates seamlessly into existing PLC architectures and can be parameterized via a higher-level controller. Systems with unstable mains voltage: The AVR voltage regulation actively compensates for mains fluctuations — useful in industrial networks with poor power quality or unstable supply. ⚙️ Improvements Over the CV20 Predecessor Kinco developed the KC100 (introduced 2024) as a targeted upgrade to the CV20 series, passing on cost reductions in power electronics directly to customers: AVR voltage regulation for active compensation of mains voltage fluctuations Vector control (SVC) — 150% rated torque from 0.5 Hz, speed control range 1:200 S-curve ramp for smooth acceleration and deceleration, four ramp groups selectable Integrated brake chopper for braking high-inertia loads (external braking resistor connectable) Autotuning of motor parameters for improved running smoothness Speed tracking — detects current motor speed and enables flying start from the actual speed Power dip ride-through (Instantaneous Non-Stop) — during a mains dip, the drive feeds back kinetic motor energy to maintain operation briefly without tripping Wave-by-wave current limiting — limits current pulse-by-pulse during sudden load spikes, preventing nuisance trips without requiring intervention from the higher-level controller Real Modbus RTU (RS-485) with standard function codes — the CV20 used proprietary function code 41 for permanent parameterization Maximum frequency 600 Hz for high-speed applications Demand-controlled fan speed instead of continuous operation — extends fan service life Spring-clamp terminals on the I/O terminal for fast wiring in series production Extension port (CN2) for external operator panel — cable up to 10 m, parameter copy between drives supported The following functions are also available (as with the CV20): Frequency setpoint via frequency table with 8 fixed values using 3 digital inputs Frequency setpoint via analog input 0–10 V and 0–20 mA Frequency setpoint via Modbus RTU and integrated PID controller Frequency setpoint via pulse input up to 50 kHz ⚠️ Known Limitations No integrated EMC filter: An external EMC filter is required for CE-compliant operation in European installations. Suitable filters for each model are available separately. 🔌 Connections & I/O 4 digital inputs (DI1–DI4): NPN/PNP compatible, active level 9–30 V. DI1–DI3 are standard inputs; DI4 can also be used as a high-speed pulse input up to 50 kHz. 1 analog input (AI): 0–10 V or 0–20 mA, switchable via DIP switch. Internal 10 V reference voltage (+10V terminal) available. 1 digital output (DO): Open-collector, pulse output up to 50 kHz. Can output physical quantities such as set frequency or output frequency. 1 analog output (AO): 0–10 V or 0–20 mA, switchable via DIP switch. 1 relay output (TA/TB/TC): Normally open (TA–TC) and normally closed (TA–TB), switching capacity 3 A / 250 V AC or 1 A / 30 V DC. RS-485 (Modbus RTU): Client/Server for parameterization and control via PLC or PC. Extension port (CN2): For external NETKEY operator panel with up to 10 m cable length and parameter copy function. 🔧 Ratings & Installation Protection class IP20, wall-mounted. Housing width from 65 mm — independent air duct separates cooling air from electronics, enabling 20% more compact design compared to the previous generation. Overload capacity: 150% rated current for 60 s, 180% for 3 s — sufficient for heavy starting loads and short peak demands. Operating temperature: −10 °C to +50 °C (derate above +40 °C: 1% per 100 m altitude or per degree). Storage temperature: −25 °C to +70 °C. Minimum clearances: 100 mm above and below, 25 mm left and right for adequate ventilation. Weight: 0.85 kg (single-phase 0.4–1.5 kW) · 0.90 kg (three-phase 0.75–1.5 kW) · 1.20 kg (single-phase 1.5–2.2 kW) · 1.30 kg (three-phase 2.2–5.5 kW). 🚀 Quick Start Guide & Commissioning A guided online guide is available for quick commissioning — with step-by-step parameterization for motor parameters, control source, frequency setpoint and Modbus RTU: → Kinco KC100 Quick Start Guides 🏷️ Manufacturer and Reliability Kinco Automation is an established manufacturer with many years of experience in developing frequency inverters, HMI and drive technology for the global industrial market. The KC100 is CE-certified and meets the EMC requirements for industrial use in Europe. Kinco frequency inverters are in productive use at numerous spstiger customers across Germany.
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