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        DKC04.3-040-7-FW

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Bosch Rexroth Indramat DKC04.3-040-7-FW is a 40 A ECODRIVE servo drive controller with InterBus interface, integrated mains power section and separately selected firmware.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for DKC04.3-040-7-FW

        • Manufacturer:
          Rexroth
        • Part Number:
          DKC04.3-040-7-FW
        • Product Family:
          Rexroth
        • Product Type:
          ECODRIVE Servo Drive Controller
        • Stock:
          1
        • Mains connection:
          1 × AC or 3 × AC 200–480 V, ±10%; 50–60 Hz ±2 Hz
        • Switching frequency:
          4 or 8 kHz
        • Type current / peak current 1:
          40 A
        • Peak current 2:
          16 A at 4 kHz; 12.5 A at 8 kHz
        • Continuous current range:
          13–16 A at 4 kHz; 9–12.5 A at 8 kHz, duty dependent
        • Maximum output frequency:
          400 Hz at 4 kHz; 800 Hz at 8 kHz
        • DC bus voltage:
          300–800 V DC
        • Device power dissipation:
          180 W, excluding internal bleeder dissipation
        • Braking data:
          10 kW peak; 0.15 kW continuous; 5.0 kWs maximum energy dissipation
        • 24 V control input:
          19.2–28.8 V DC; model-dependent power consumption 21 W without external loads
        • Protection / cooling:
          IP20; internal forced-air cooling, approximately 24 m³/h
        • Ambient temperature:
          +5 to +45°C at rated data; derated operation to +55°C
        • Storage temperature:
          -30 to +85°C
        • Maximum humidity:
          95% RH; no condensation
        • Dimensions:
          6.5 × 36.0 × 21.0 cm
        • Weight:
          5.7 kg
        • Tariff Code:
          8504409999
        • Country of origin:
          Germany
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals InterBus Topology Downstream Nodes X40 / X41 Record Application
        • Preserve the incoming and outgoing InterBus paths and the DKC04.3 position in the remote-bus ring
        • Record X40/X41 orientation before disconnecting a controller that feeds downstream nodes
        • Keep the InterBus firmware, controller configuration and physical device order synchronized

        DKC04.3-040-7-FW is a Bosch Rexroth/Indramat ECODRIVE03 controller with an integrated mains section and InterBus command interface.

        The model accepts one- or three-phase 200–480 V AC. Its documented continuous-current range is 13–16 A at 4 kHz and 9–12.5 A at 8 kHz, while the type and peak current class is 40 A.

        Before exchange, archive the InterBus project position, firmware and drive parameters, label X40/X41, and record the motor, feedback, brake, protective-earth and DC-bus connections.

        Availability, condition, price, and shipping time for DKC04.3-040-7-FW are confirmed during quotation.

        Bosch Rexroth DKC04.3-040-7-FW InterBus ECODRIVE03 Controller Manuals, Links

        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        • Label the incoming and outgoing remote-bus connectors and retain the documented ring direction
        • Keep the DKC04.3 device position identical to the InterBus controller configuration
        • Check connector seating, shield continuity and the configured device order before replacing another node
        • Trace an open or reversed outgoing path when every station after DKC04.3 disappears
        • Verify both X40/X41 connections before changing the controller project's expected node sequence
        • Confirm all downstream devices return after a controlled InterBus restart
        • Photograph X40/X41 orientation and cable labels before unplugging the original controller
        • Archive the InterBus position, application firmware, drive parameters and active diagnostics
        • After reconnection, verify cyclic command and status data before the first motion command
        • InterBus machine axes installed between upstream and downstream remote-bus nodes
        • Controller projects exchanging cyclic drive commands and status through InterBus
        • Multi-axis production lines that depend on DKC04.3 for downstream ring continuity
        Description

        DKC04.3-040-7-FW is a Bosch Rexroth ecodrive servo drive controller in the ECODRIVE03 DKC family.

        Bosch Rexroth Indramat DKC04.3-040-7-FW is a 40 A ECODRIVE servo drive controller with InterBus interface, integrated mains power section and separately selected firmware The complete type code identifies the DKC hardware series, design version, 40 A current class and voltage code 7; the FW suffix means that application firmware is a separate ordered identity and must match the machine project.

        Before installation or replacement, confirm the complete DKC04.3-040-7-FW type plate, firmware, motor, command interface, mains and DC-bus arrangement, wiring and saved parameters.

        Alternative Names
        DKC04.3-040-7-FW DKC04 3 040 7 FW DKC0430407FW Bosch Rexroth DKC04.3-040-7-FW Rexroth DKC04.3-040-7-FW
        Technical notes
        DKC04.3-040-7-FW is the drive-controller hardware identity; its firmware is a separate ordered item. Match the InterBus interface, motor/feedback system, mains design and saved parameters before replacement.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Which InterBus topology details must match when replacing DKC04.3-040-7-FW?
        Record which upstream remote-bus cable enters the male X40 incoming interface and which downstream cable leaves the female X41 outgoing interface. Preserve the drive’s physical position in the InterBus ring, the next downstream station, connector shield contact and the controller’s device and process-data configuration. X40 and X41 have different signal directions and must not be treated as interchangeable ports.
        Can DKC04.3-040-7-FW replace a PROFIBUS or CANopen DKC controller?
        No. DKC04.3-040-7-FW is the InterBus version, with separate X40 incoming and X41 outgoing remote-bus interfaces. PROFIBUS and CANopen variants use different connector hardware, network operation, firmware functions and controller projects. They are not pin-compatible or project-compatible replacements.
        Why can every InterBus device downstream of DKC04.3-040-7-FW disappear after service?
        DKC04.3-040-7-FW forms part of the remote-bus return path. A loose X41 connector, reversed incoming and outgoing cables, incorrect outgoing-cable wiring or a missing signal in the intended InterBus cable can open the ring after this station. Verify X40 as the incoming interface, X41 as the outgoing interface, connector seating, cable continuity, shield contact and the configured order of the next station.
        Which firmware family must match the InterBus interface of DKC04.3-040-7-FW?
        DKC04.3-040-7-FW uses the ECODRIVE03 fieldbus firmware architecture identified by the FWA-ECODR3-FGP family. Match the complete version and release from the original programming module because the InterBus process-data functions and H40–H45 diagnostic meanings are firmware-dependent.
        What should be recorded from the H40–H45 indicators when DKC04.3-040-7-FW has an intermittent InterBus fault?
        Photograph all H40–H45 states and the adjacent UL, RD, BA, TR and RC indications while the fault is present and again when the ring is healthy. Record whether downstream stations disappear at the same time and whether the fault follows movement of X40 or X41. Interpret the indicators with the functional description for the exact installed FGP release rather than a generic InterBus LED table.
        Can the X40 and X41 InterBus connectors on DKC04.3-040-7-FW be interchanged?
        No. X40 is the male incoming interface and X41 is the female outgoing interface, and their signal directions and pin functions differ. X41 additionally provides the outgoing-interface supply and RBST-related signal. Do not use gender adapters or rearrange conductors to make the connectors fit; reproduce the documented incoming and outgoing remote-bus wiring exactly.
        Why can DKC04.3-040-7-FW appear in the InterBus ring but still refuse drive enable?
        A complete ring only proves that the remote-bus path is operating; it does not prove that the correct drive process data are being exchanged. Verify the controller’s device definition, cyclic data length, byte and word order, drive-control and drive-status allocation and installed FGP firmware release. When fieldbus communication is active, the local AH and RF inputs are not effective, so halt and drive-enable commands must arrive through the correctly mapped InterBus control data. Also confirm the emergency-stop input, ready status and active drive diagnostic before commanding motion.

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