{"product_id":"omron-cpm1a-20cdr-d-v1-programmable-controller-cpm1a","title":"Omron CPM1A-20CDR-D-V1 Programmable Controller CPM1A","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CPM1A-20CDR-D-V1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCPM1A-20CDR-D-V1\u003c\/strong\u003e Programmable Controller, operates as a dedicated hardware component for localized digital sequence control and signal processing within CPM1A micro-PLC systems.\u003c\/p\u003e\n\u003ch3\u003eModel Nomenclature Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPM1A Base Family\u003c\/strong\u003e: Compact micro programmable logic controller design with integrated CPU and I\/O interface logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 I\/O Capacity\u003c\/strong\u003e: Total count of 20 onboard physical points, partitioned into 12 DC inputs and 8 relay outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCD Operating Parameters\u003c\/strong\u003e: CPU unit equipped with relay output contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR Output Configuration\u003c\/strong\u003e: Standard electromagnetic relay switching contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD Primary Power\u003c\/strong\u003e: 24 VDC external operational supply requirement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV1 Functional Revision\u003c\/strong\u003e: Upgraded processing architecture featuring expanded instruction sets and enhanced serial comms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem 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\u003eCPM1A-20CDR-D-V1\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\u003e0.40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e13.0 x 11.0 x 10.0 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\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +75 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 W maximum at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Rating\u003c\/td\u003e\n\u003ctd\u003e12 points, 24 VDC (5 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Rating\u003c\/td\u003e\n\u003ctd\u003e8 points, 250 VAC \/ 24 VDC (2 A per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Capacity\u003c\/td\u003e\n\u003ctd\u003e2048 words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Memory\u003c\/td\u003e\n\u003ctd\u003e1024 words (DM area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic I\/O Processing and Firmware Architecture\u003c\/h3\u003e\n\u003cp\u003eThe unit maintains precise cycle times across internal ladder program loops while supporting backplane bus communication velocity and I\/O density scaling. Stable firmware flash compatibility guarantees continuous execution of high-speed counter functions and pulse inputs, maintaining deterministic scanning interval behavior during local control tasks.\u003c\/p\u003e\n\u003ch3\u003eScope of Delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron CPM1A-20CDR-D-V1 Controller Base Unit\u003c\/li\u003e\n\u003cli\u003e1 x Removable Terminal Strip Cover Plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCabinet Mounting and Wiring Recommendations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Line Cabling\u003c\/strong\u003e: Use dedicated shielded copper wire for the 24 VDC input lines and establish a low-impedance ground connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive Load Protection\u003c\/strong\u003e: Install external surge suppressors or freewheeling diodes across inductive DC loads connected to relay outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Torque Constraints\u003c\/strong\u003e: Tighten terminal block screws to a nominal torque of 0.5 N m to ensure positive electrical contact without damaging thread assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Ventilation Margins\u003c\/strong\u003e: Maintain a minimum clearance of 20 mm above and below the controller housing to permit uninhibited natural convection cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 1: What is the primary operational voltage requirement for the CPM1A-20CDR-D-V1 base unit?\u003c\/p\u003e\n\u003cp\u003eAnswer 1: The unit operates on a 24 VDC external supply connected to the designated primary power supply input terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 2: Does the CPM1A-20CDR-D-V1 support hot-swapping during active operation?\u003c\/p\u003e\n\u003cp\u003eAnswer 2: No, power must be completely disconnected before modifying terminal wiring or attaching expansion I\/O modules to prevent hardware damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 3: What is the continuous switching current limit for the relay output contacts?\u003c\/p\u003e\n\u003cp\u003eAnswer 3: Each relay contact is rated for a maximum load current of 2 A at 250 VAC or 24 VDC under resistive load conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 4: How are input signals shielded against electromagnetic interference on field lines?\u003c\/p\u003e\n\u003cp\u003eAnswer 4: Input wiring should utilize twisted-pair cables routed through grounded metallic conduits separate from high-voltage AC motor conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 5: What is the onboard high-speed counter response frequency?\u003c\/p\u003e\n\u003cp\u003eAnswer 5: The integrated hardware high-speed counter input channel supports maximum pulse rates up to 5 kHz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 6: Can additional I\/O modules be attached to expand total channel density?\u003c\/p\u003e\n\u003cp\u003eAnswer 6: Yes, expansion I\/O units can be connected to the right-side expansion bus port using standard ribbon cable connectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 7: How does the V1 suffix differentiate this unit from earlier revisions?\u003c\/p\u003e\n\u003cp\u003eAnswer 7: The V1 hardware version includes enhanced analog setup capabilities and additional macro instruction execution routines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuestion 8: What panel mounting orientation is required for thermal dissipation?\u003c\/p\u003e\n\u003cp\u003eAnswer 8: Mount the unit vertically on a standard 35 mm DIN rail or panel surface to ensure vertical airflow through the housing slots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306652876973,"sku":"CPM1A-20CDR-D-V1(SAME DAY DELIVERY)","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CPM1A-20CDR-D-V1_1.jpg?v=1789363381","url":"https:\/\/www.maxwellplc.com\/ga\/products\/omron-cpm1a-20cdr-d-v1-programmable-controller-cpm1a","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}