{"product_id":"omron-cpm2a-20cdr-d-cpm2a-series-programmable-controller","title":"Omron CPM2A-20CDR-D CPM2A Series Programmable Controller","description":"\u003cp\u003eConfigured for direct physical\/electrical execution in CPM2A Series Industrial Automation networks, the \u003cstrong\u003eOmron CPM2A-20CDR-D\u003c\/strong\u003e (\u003cstrong\u003eCPM2A-20CDR-D\u003c\/strong\u003e Programmable Controller) provides dedicated hardware control for discrete logic processing and field-level switching operations. The base CPU accepts 12 discrete 24 VDC inputs and drives 8 electromechanical relay outputs powered by an incoming 24 VDC supply rail, utilizing internal register memory and direct-coupled instruction routines to maintain deterministic scan cycles.\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\u003e20\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTotal I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e20 Integrated Points (12 Inputs \/ 8 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 Type\u003c\/td\u003e\n\u003ctd\u003eCPU Base Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput Voltage Rating\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 Circuitry\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\u003ePower Supply 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-20CDR-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\u003e0.55 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e13.0 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\u003e17.0 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\u003e12 points (24 VDC, 5 mA to 8 mA per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Output Capacity\u003c\/td\u003e\n\u003ctd\u003e8 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\u003eEncoder Input Interface\u003c\/td\u003e\n\u003ctd\u003e1 channel high-speed counter input (20 kHz single-phase \/ 5 kHz two-phase)\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-20CDR-D\u003c\/strong\u003e incorporates an optimized CPU architecture designed for low-latency signal acquisition and instruction processing, achieving basic instruction cycle execution between 0.26 us and 0.64 us. Internal backplane bus velocity enables synchronous polling of onboard input registers and parallel module expansions without introducing software jitter. I\/O density scaling allows adding up to 3 expansion modules directly to the CPU expansion header, expanding total discrete address space up to 80 points while retaining hardware-level decoding for the 20 kHz high-speed encoder counter.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CPM2A-20CDR-D CPU Unit\u003c\/li\u003e\n\u003cli\u003e1x Removable Screw 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 Mounting:\u003c\/strong\u003e Install horizontally on a 35 mm DIN rail or secure to an enclosure backplate via M4 mounting screws. Maintain at least 50 mm clearance above and below the housing for proper thermal dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Power Wiring:\u003c\/strong\u003e Connect a regulated 24 VDC supply (20.4 to 26.4 VDC range) to the designated DC power input terminals. Segregate low-voltage DC lines from heavy AC switching wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Load Connections:\u003c\/strong\u003e Wire external AC or DC field loads across individual output relay terminals. Install flywheel diodes across external DC inductive loads and RC snubbers across AC inductive loads to prevent contact degradation from inductive voltage spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Protocols:\u003c\/strong\u003e Wire the functional earth ground terminal directly to the main 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\u003eShielding Protocols:\u003c\/strong\u003e Ground encoder signals and high-speed input lines using Shielded Twisted Pair (STP) wiring with a 360-deg braid shield clamp secured to the panel 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-20CDR-D?\u003c\/p\u003e\n\u003cp\u003eA: The controller requires a nominal input of 24 VDC, operating safely within a voltage range of 20.4 to 26.4 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What are the current handling specifications for the relay output channels?\u003c\/p\u003e\n\u003cp\u003eA: Outputs are dry relay contacts rated for a maximum continuous 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: What logic execution timing does the internal CPU processor achieve?\u003c\/p\u003e\n\u003cp\u003eA: The processor executes basic ladder instructions at speeds ranging from 0.26 us to 0.64 us.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Does the base unit include hardware support for incremental encoders?\u003c\/p\u003e\n\u003cp\u003eA: Yes, it features 1 high-speed counter input channel capable of 20 kHz single-phase or 5 kHz two-phase counting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How many expansion modules can be attached to the CPU base unit?\u003c\/p\u003e\n\u003cp\u003eA: Up to 3 CPM1A expansion units can be attached via the expansion port to increase total system I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What are the total program and memory limits built into the unit?\u003c\/p\u003e\n\u003cp\u003eA: The system provides 4 kWords of non-volatile program memory and 2 kWords of dedicated data memory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the maximum power consumption rating for the CPU unit?\u003c\/p\u003e\n\u003cp\u003eA: The 24 VDC powered unit has a maximum power consumption rating of 20 W.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What physical dimensions apply to this 24 VDC powered model?\u003c\/p\u003e\n\u003cp\u003eA: The module measures 13.0 cm in width, 9.0 cm in height, and 5.5 cm in depth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306626072749,"sku":"CPM2A-20CDR-D","price":121.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CPM2A-20CDR-D_1.jpg?v=1789097738","url":"https:\/\/www.maxwellplc.com\/ga\/products\/omron-cpm2a-20cdr-d-cpm2a-series-programmable-controller","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}