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        CNT204/R
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        CNT204/R

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Bachmann CNT204/R (article 00010709-20) is an M200 counter module with RS-422 incremental-encoder inputs.
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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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        Technical specifications for CNT204/R

        • Manufacturer:
          Bachmann
        • Part Number:
          CNT204/R
        • Product Family:
          Bachmann
        • Product Type:
          M200 RS-422 Counter and Incremental Encoder Module
        • Stock:
          1
        • Article Number:
          00010709-20
        • Encoder Inputs:
          2 × RS-422 incremental, up to 1 MHz
        • Counter Arrangement:
          2 HTL counters with encoder inputs, or 4 HTL counters
        • Counter Resolution:
          32 bit
        • External Supply:
          18–34 VDC
        • Encoder Signals:
          A−/A+, B−/B+, N−/N+
        • Signal Evaluation:
          1-, 2-, or 4-fold edge; pulse-direction
        • HTL Counter Frequency:
          Up to 20 kHz
        • Minimum Pulse Width:
          25 µs
        • Operating Temperature:
          -30 to +60 °C
        • Tariff Code:
          Please confirm the destination before shipping.
        • Country of origin:
          Austria
        • 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 Encoder Integration Counter Allocation Power and Terminals Applications

        Features:

        • RS-422 encoder variant: CNT204/R is the differential incremental-encoder member of the CNT204/x family.
        • Flexible channel use: The module can combine encoder inputs with HTL counters or allocate all four channels to HTL counting.
        • Exact order identity: Article 00010709-20 distinguishes the /R hardware and its accessory set.
        CNT204/R brings differential encoder feedback and general-purpose counting into the Bachmann M200 I/O environment.

        Its selectable channel arrangement allows a project to favor position feedback or use a wider group of HTL pulse sources without changing module family.

        The /R suffix, article number, terminal accessory, and configured counting mode should remain aligned during replacement or rack expansion.

        Apter Power supports documentation, quotation, and procurement for the Bachmann CNT204/R M200 RS-422 Counter and Incremental Encoder Module.
        Bachmann CNT204/R M200 RS-422 Counter and Incremental Encoder Module Manuals,Datasheets,Link
        Important Notice: Other accessories, modules, and complete system configurations are quoted separately. All prices are shown in USD.
        • Variant choice: Select CNT204/R when the installed feedback device uses differential RS-422 incremental-encoder signals.
        • Signal set: Differential A, B, and N pairs carry the motion channels and reference pulse into the module.
        • Edge evaluation: The selectable evaluation mode lets the application trade count resolution against the encoder's pulse pattern.
        • Encoder supply: The module can feed compatible encoders from its designated supply outputs, so the connected load belongs in the power calculation.
        • Encoder arrangement: Two incremental-encoder inputs can operate alongside two HTL counter channels.
        • Four-counter mode: The alternative allocation uses four HTL counters rather than four simultaneous encoder channels.
        • Count processing: The 32-bit counter range supports extended position or event totals before software rollover handling is needed.
        • Pulse acceptance: The documented HTL timing limits must be respected so narrow field pulses are not lost at the input.
        • External supply: The module and connected encoder load are powered from the designated DC input, so both loads belong in the supply budget.
        • Protection: Reverse-polarity protection reduces wiring-damage risk but does not replace correct terminal assignment.
        • Terminal set: KZ-CNT204 B article 00012057-30 is the identified connector accessory for field termination.
        • Service accessory: SV-CNT204 B article 00010869-50 provides the separately identified service/connection item for this module family.
        • Position feedback: Acquire RS-422 incremental-encoder signals in Bachmann M200 motion or machine-control tasks.
        • Pulse counting: Combine encoder feedback with HTL event inputs or select the four-counter arrangement for discrete counting work.
        • Exact rack replacement: Restore an installed /R position while preserving the article number, terminals, and configured counter mode.
        Description
        CNT204/R is the RS-422 variant in Bachmann's CNT204/x counter-module family. Article 00010709-20 separates this version from the HTL-only CNT204/H orderable variant.

        With CNT204/R, two incremental-encoder inputs accept differential A, B, and N signal pairs, while the module can alternatively allocate four HTL counter inputs. That mode choice lets one module support encoder-position tasks or a broader set of discrete counting points.

        A replacement order for CNT204/R should preserve the /R suffix, article number, terminal accessory, and selected counter mode. This prevents an HTL-only variant or mismatched connector set from entering an RS-422 encoder installation.
        Alternative Names
        Bachmann CNT204/R 00010709-20
        Technical notes
        CNT204/R is the RS-422 incremental-encoder version, not the HTL-only CNT204/H orderable variant. Its encoder inputs use differential A, B, and N signal pairs while the external supply feeds the module and encoder. A replacement must preserve the /R suffix, article 00010709-20, terminal accessory, and selected counter mode before rewiring.
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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
        Can CNT204/H replace CNT204/R without changing the encoder circuit?
        No. CNT204/R is the RS-422 incremental-encoder variant, while CNT204/H is the different HTL orderable version; preserve the /R identity for a differential encoder installation.
        The encoder provides differential A, B, and N pairs; is CNT204/R the correct variant to evaluate?
        Yes. CNT204/R accepts those differential incremental-encoder signals, provided the terminal accessory, supply, and configured evaluation mode also match the installed circuit.
        Can CNT204/R run two incremental encoders and four HTL counters at the same time?
        No. The documented arrangements are two encoder inputs with two HTL counters, or an alternative four-HTL-counter mode; they are not simultaneous six-channel operation.
        A replacement terminal set has a different article number; should CNT204/R be wired with it?
        Stop until the accessory is reconciled. Use the connector and service items identified for the CNT204 family so pin assignment and mechanical fit remain controlled.
        How should supply sizing change when CNT204/R powers the connected encoder?
        Include both the module demand and the encoder load in the external DC supply budget. A supply sized only for the module can leave insufficient margin for the field device.
        The field sensor produces very narrow pulses; when should CNT204/R selection stop?
        Stop if the source timing exceeds the documented HTL input limits. Compare pulse width and frequency with the exact operating mode before committing the module to that counting task.

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