{"product_id":"programmable-controllers-relay-output-modules-discrete-input-modules-omron-cpm2a-series","title":"Omron CPM2A-40CDR-D CPM2A Series Programmable Controller","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CPM2A-40CDR-D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCPM2A-40CDR-D\u003c\/strong\u003e Programmable Controller, operates as a dedicated hardware component for direct physical\/electrical execution within CPM2A Series industrial automation networks. Operating on an incoming 24 VDC power supply rail, the unit monitors 24 discrete 24 VDC input channels and controls 16 electromechanical relay output contacts, running real-time logic programs while decoding high-speed encoder feedback signals.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eIdentifier Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Value\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCPM2A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eCompact Micro PLC Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e40\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTotal I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e40 Integrated Points (24 Inputs \/ 16 Outputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnit Architecture\u003c\/td\u003e\n\u003ctd\u003eCPU Base Processing Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput Circuit Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC Discrete Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput Circuit Type\u003c\/td\u003e\n\u003ctd\u003eElectromechanical Relay Contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrimary Power Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC Operating Voltage\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\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\u003eCPM2A-40CDR-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.65 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e15.0 cm x 9.0 cm x 5.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e19.0 cm x 13.0 cm x 8.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e20 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC (20.4 to 26.4 VDC operating range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Input Capacity\u003c\/td\u003e\n\u003ctd\u003e24 points (24 VDC, 5 mA per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Output Capacity\u003c\/td\u003e\n\u003ctd\u003e16 points (Relay, 2 A per point, 250 VAC \/ 24 VDC max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Execution Speed\u003c\/td\u003e\n\u003ctd\u003e0.26 us to 0.64 us per basic instruction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Speed Counter Input\u003c\/td\u003e\n\u003ctd\u003e1 channel encoder input (20 kHz single-phase \/ 5 kHz differential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal I\/O Expansion\u003c\/td\u003e\n\u003ctd\u003eUp to 3 expansion modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Capacity\u003c\/td\u003e\n\u003ctd\u003e4 kWords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Memory Capacity\u003c\/td\u003e\n\u003ctd\u003e2 kWords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eI\/O Density Scaling and Backplane Bus Velocity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOmron CPM2A-40CDR-D\u003c\/strong\u003e utilizes a central processing unit engineered for minimal instruction cycle latency, achieving basic ladder logic execution speeds between 0.26 us and 0.64 us. High backplane bus velocity allows continuous, low-jitter synchronization between physical input\/output registers and internal program memory. To accommodate modular expansion, I\/O density scaling enables up to 3 CPM1A expansion modules to connect directly to the right-side expansion bus port, increasing total discrete point density without compromising the sampling throughput of the built-in 20 kHz high-speed encoder input.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CPM2A-40CDR-D CPU Unit\u003c\/li\u003e\n\u003cli\u003e1x Removable Terminal Block Cover Assembly\u003c\/li\u003e\n\u003cli\u003e1x Hardware Installation Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Installation:\u003c\/strong\u003e Mount horizontally onto a standard 35 mm DIN rail or secure directly to a panel surface using M4 mounting screws. Maintain a minimum vertical clearance of 50 mm above and below the housing for adequate thermal airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Power Wiring:\u003c\/strong\u003e Connect a regulated 24 VDC power supply (20.4 to 26.4 VDC limit) to the dedicated DC supply terminals. Route DC power wiring separately from high-voltage AC conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Output Wiring:\u003c\/strong\u003e Connect field loads to individual output relay terminals. Install flywheel diodes in parallel across DC inductive loads and RC arc suppressors across AC inductive loads to clamp back-EMF voltage transients and prevent contact burning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Protocols:\u003c\/strong\u003e Wire the functional earth ground terminal directly to the central cabinet ground bar using copper conductor with a minimum cross-sectional area of 2.0 mm sq.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Line Shielding:\u003c\/strong\u003e Route high-speed counter and encoder inputs using Shielded Twisted Pair (STP) cabling. Secure a 360-deg braid shield clamp to the panel earth ground bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the main supply voltage requirement for the CPM2A-40CDR-D?\u003c\/p\u003e\n\u003cp\u003eA: The controller runs on a nominal input of 24 VDC, operating across a permissible voltage window of 20.4 to 26.4 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What are the continuous output contact ratings for the onboard relays?\u003c\/p\u003e\n\u003cp\u003eA: Output relay contacts are rated for a maximum current of 2 A per point at 250 VAC or 24 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How many built-in input and output points are available on this CPU model?\u003c\/p\u003e\n\u003cp\u003eA: The module integrates 40 total discrete points, configured as 24 inputs (24 VDC) and 16 electromechanical relay outputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What instruction execution speed does the internal processor achieve?\u003c\/p\u003e\n\u003cp\u003eA: The CPU processes basic ladder logic commands at execution speeds ranging from 0.26 us to 0.64 us per instruction block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Does the base unit include high-speed counter capabilities?\u003c\/p\u003e\n\u003cp\u003eA: Yes, it incorporates 1 high-speed counter input channel rated up to 20 kHz single-phase or 5 kHz differential mode.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How many local expansion modules can be attached to the CPU base unit?\u003c\/p\u003e\n\u003cp\u003eA: Up to 3 CPM1A expansion I\/O or special function modules can be connected via the side expansion port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What are the exact physical dimensions of the CPM2A-40CDR-D housing?\u003c\/p\u003e\n\u003cp\u003eA: The module dimensions strictly measure 15.0 cm width by 9.0 cm height by 5.5 cm depth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What non-volatile memory capacities are available for user applications?\u003c\/p\u003e\n\u003cp\u003eA: Integrated system memory provides 4 kWords of user program capacity and 2 kWords of data memory space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306656514221,"sku":"CPM2A-40CDR-D","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/omron_cpm2a-40cdr-d_2.jpg?v=1789104398","url":"https:\/\/www.maxwellplc.com\/products\/programmable-controllers-relay-output-modules-discrete-input-modules-omron-cpm2a-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}