{"product_id":"bachmann-cnt204-r-m1-counter-encoder-module","title":"Bachmann CNT204\/R M1 Counter Encoder Module","description":"\u003ch2\u003eBachmann CNT204\/R Counter and Encoder Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed pulse counting and incremental encoder evaluation in Bachmann M1 Automation System architectures, the \u003cstrong\u003eBachmann CNT204\/R\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCNT204\/R\u003c\/strong\u003e Counter and Encoder Module, provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCounter Inputs\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eIncremental Encoder Inputs\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003ePeriod\/Differential Resolution\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCNT204\/R\u003c\/td\u003e\n\u003ctd\u003e4 Channels (Single-Line) \/ 2 Channels (Encoder Mode)\u003c\/td\u003e\n\u003ctd\u003e2 Channels (RS-422 Differential)\u003c\/td\u003e\n\u003ctd\u003e42 ns\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCNT204\/R CC\u003c\/td\u003e\n\u003ctd\u003e4 Channels (Single-Line) \/ 2 Channels (Encoder Mode)\u003c\/td\u003e\n\u003ctd\u003e2 Channels (RS-422 Differential)\u003c\/td\u003e\n\u003ctd\u003e42 ns\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C (ColdClimate Conformal Coating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCNT204\/R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBachmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eAustria \/ EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard M1 Module Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40 mA at 24 VDC (+ 1.2 x Encoder Supply Load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter Inputs\u003c\/td\u003e\n\u003ctd\u003e4 Channels (Single-Line Pulse Generators)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncremental Encoder Inputs\u003c\/td\u003e\n\u003ctd\u003e2 Channels (RS-422 Differential: A-, A+, B-, B+, N-, N+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter Resolution\u003c\/td\u003e\n\u003ctd\u003e32-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Frequency\u003c\/td\u003e\n\u003ctd\u003e20 kHz (Single-Line Counter) \/ 1 MHz (RS-422 Encoder)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Evaluation\u003c\/td\u003e\n\u003ctd\u003e1x, 2x, 4x Quadrature Edge or Pulse\/Direction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime Base Resolution\u003c\/td\u003e\n\u003ctd\u003e42 ns (Period and Differential Phase Measurement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Encoder Power Supply\u003c\/td\u003e\n\u003ctd\u003e+5 VDC (200 mA), +24 VDC (300 mA), Short-Circuit Proof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18 to 34 VDC (Reverse Polarity Protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Determinism\u003c\/h3\u003e\n\u003cp\u003eThe Bachmann CNT204\/R interfaces directly with the M1 backplane bus to ensure deterministic transfer of 32-bit counter values and period data to the central processing unit. Integrated FPGA hardware handles 42 ns high-resolution time stamping and phase-difference processing independently, eliminating backplane traffic overhead while preserving system velocity. Firmware flash compatibility across M1 CPU models guarantees seamless synchronization of quadrature edge transitions (1x, 2x, 4x) without data loss during rapid speed shifts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does selecting RS-422 incremental encoder mode impact the available single-line counter channel count?\u003c\/p\u003e\n\u003cp\u003eA: Utilizing the 2 RS-422 incremental encoder input channels uses shared internal hardware resources, reducing the active single-line counter capacity from 4 channels down to 2 channels.\u003c\/p\u003e\n\u003cp\u003eQ: What protection measures exist on the internal encoder power supply terminals?\u003c\/p\u003e\n\u003cp\u003eA: The onboard +5 VDC (200 mA) and +24 VDC (300 mA) power outputs feature short-circuit proof protection circuitry to safeguard internal module electronics from field wiring faults.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure backplane supply power and field supply voltages are switched off prior to installing or removing the CNT204\/R card from the M1 chassis rail. Mount the module vertically to optimize passive air convection across the enclosure housing. All high-frequency encoder wiring (A, B, N signal pairs) must use shielded twisted-pair cables terminated directly at the front terminal block. Maintain physical separation between high-frequency encoder lines and high-voltage AC power conductors. Ground the cable shield at the cabinet earth rail via a low-impedance clamp to preserve galvanic isolation boundaries and prevent differential phase distortion.\u003c\/p\u003e","brand":"BACHMANN","offers":[{"title":"Default Title","offer_id":52902463701304,"sku":"CNT204\/R","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/277..jpg?v=1788424330","url":"https:\/\/www.automodulexpert.com\/products\/bachmann-cnt204-r-m1-counter-encoder-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}