{"product_id":"omron-cpm2a-20cdr-a-cpm2a-series-programmable-controller","title":"Omron CPM2A-20CDR-A CPM2A Series Programmable Controller","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CPM2A-20CDR-A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCPM2A-20CDR-A\u003c\/strong\u003e Programmable Controller, operates as a dedicated hardware component for real-time discrete automation and direct physical signal switching within CPM2A Series industrial platforms. The unit processes 12 discrete 24 VDC inputs and drives 8 electromechanical relay output channels, handling high-speed instruction execution and encoder pulse counting across an AC line power input.\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 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 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\u003eA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply Rating\u003c\/td\u003e\n\u003ctd\u003e100 to 240 VAC Power Supply\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-A\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\u003e0.50 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 9.0 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 12.0 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\u003e60 VA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e85 to 264 VAC (50\/60 Hz)\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 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)\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)\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 units\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-A\u003c\/strong\u003e features an integrated CPU processor designed for rapid instruction cycling, achieving basic logic execution speeds between 0.26 us and 0.64 us. High backplane bus velocity enables synchronous updates between local processing registers and external field devices. The controller supports I\/O density scaling by accepting up to 3 expansion units directly attached to the expansion bus interface, increasing discrete point density without introducing latency into the high-speed 20 kHz encoder input channel.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CPM2A-20CDR-A Controller Unit\u003c\/li\u003e\n\u003cli\u003e1x Removable Screw Terminal Cover Set\u003c\/li\u003e\n\u003cli\u003e1x Hardware Installation Datasheet\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 on a 35 mm DIN rail or fasten directly to an enclosure backpanel using M4 mounting hardware. Provide a minimum vertical clearance of 50 mm above and below the chassis for passive convective cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Utility Wiring:\u003c\/strong\u003e Connect main utility power (85 to 264 VAC) to terminals L1 and L2\/N. Ensure line power cabling is segregated from DC signal and output lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Output Wiring:\u003c\/strong\u003e Connect load circuits to individual output relay terminals. Wire protective RC snubbers across AC inductive loads and flywheel diodes across DC inductive loads to absorb counter-EMF transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Grounding:\u003c\/strong\u003e Connect a dedicated ground wire (minimum 2.0 mm sq) directly from the functional earth terminal to the panel main ground bus bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEncoder Wiring \u0026amp; Shielding:\u003c\/strong\u003e Terminate high-speed encoder input lines using Shielded Twisted Pair (STP) wiring. Connect the cable shield braid to earth ground using a 360-deg grounding clamp.\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 line voltage range is supported by the CPM2A-20CDR-A power supply?\u003c\/p\u003e\n\u003cp\u003eA: The integrated AC power unit operates over an input line range of 85 to 264 VAC at 50\/60 Hz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the rating and contact type of the discrete output channels?\u003c\/p\u003e\n\u003cp\u003eA: The module features 8 electromechanical relay outputs rated for 2 A per point at 250 VAC or 24 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What basic logic execution speed does the CPU achieve?\u003c\/p\u003e\n\u003cp\u003eA: Basic ladder logic instructions execute at a rate of 0.26 us to 0.64 us per instruction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Does the CPU unit support high-speed encoder input signals?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit includes 1 built-in high-speed counter input channel rated up to 20 kHz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How many expansion modules can be connected to the base CPU chassis?\u003c\/p\u003e\n\u003cp\u003eA: Up to 3 CPM1A expansion I\/O units or specialty modules can be appended via the expansion port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What are the program and data memory allocations for user applications?\u003c\/p\u003e\n\u003cp\u003eA: Non-volatile memory reserves 4 kWords for user program storage and 2 kWords for data memory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the permissible ambient operating temperature range?\u003c\/p\u003e\n\u003cp\u003eA: Operating environments must maintain an ambient temperature range from 0 deg C to 55 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What shielding practice is required for signal cabling to prevent noise coupling?\u003c\/p\u003e\n\u003cp\u003eA: Signal cabling must utilize STP conductors with cable shields grounded via 360-deg braid shield termination clamps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306658185389,"sku":"CPM2A-20CDR-A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/omron_cpm2a-20cdr-a_1.jpg?v=1789097492","url":"https:\/\/www.maxwellplc.com\/products\/omron-cpm2a-20cdr-a-cpm2a-series-programmable-controller","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}