{"product_id":"omron-cj1w-ad042-analog-input-unit-sysmac-cj-series","title":"Omron CJ1W-AD042 Analog Input Unit SYSMAC CJ Series","description":"\u003cp\u003eConfigured for high-speed multi-range analog signal acquisition in SYSMAC CJ Series platforms, the \u003cstrong\u003eOmron CJ1W-AD042\u003c\/strong\u003e (\u003cstrong\u003eCJ1W-AD042\u003c\/strong\u003e Analog Input Unit) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Omron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model:\u003c\/strong\u003e CJ1W-AD042\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Part Number:\u003c\/strong\u003e CJ1W-AD042\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Name:\u003c\/strong\u003e SYSMAC CJ Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Analog Input Unit (4 Channels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Classification:\u003c\/strong\u003e CJ-series Special I\/O Unit\u003c\/li\u003e\n\u003c\/ul\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\u003eCJ1W-AD042\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\u003e0.15 kg max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.1 cm x 9.0 cm x 6.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e5.0 cm x 11.0 cm x 9.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C ... +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.60 W (520 mA max. at 5 VDC from PLC backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Ranges\u003c\/td\u003e\n\u003ctd\u003e1 to 5 V, 0 to 10 V, -5 to +5 V, -10 to +10 V, 4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Rated Input\u003c\/td\u003e\n\u003ctd\u003eVoltage: +\/-15 V, Current: +\/-30 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eVoltage: 1 MOhm min., Current: 250 Ohm (rated value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConverted Data Format\u003c\/td\u003e\n\u003ctd\u003e16-bit binary data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy (25 deg C)\u003c\/td\u003e\n\u003ctd\u003eVoltage: +\/-0.2% of F.S., Current: +\/-0.4% of F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy (0 deg C to 55 deg C)\u003c\/td\u003e\n\u003ctd\u003eVoltage: +\/-0.4% of F.S., Current: +\/-0.6% of F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion Period\u003c\/td\u003e\n\u003ctd\u003e20 us\/1 point, 25 us\/2 points, 30 us\/3 points, 35 us\/4 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eDigital isolator between I\/O and Controller signals (No channel-to-channel isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Terminals\u003c\/td\u003e\n\u003ctd\u003e18-point detachable terminal block (M3 screws)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessing Functions\u003c\/td\u003e\n\u003ctd\u003eMean value (n = 2 to 512), Peak value holding, Scaling (+\/-32,000), Input disconnection detection, Direct conversion (AIDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC Controller Processing \u0026amp; Backplane Communication\u003c\/h3\u003e\n\u003cp\u003eThe CJ1W-AD042 delivers high-speed analog signal digitization across the internal backplane bus velocity interface, executing conversions as fast as 20 us for 1 point to 35 us across all 4 points. High-density I\/O density scaling allows rapid register updates directly to the CPU memory mapping. A digital isolator provides galvanic isolation between field inputs and internal controller logic without sacrificing data throughput. Direct conversion using the AIDC instruction is supported on compatible CJ2H-CPU[] (version 1.1 or later) and CJ2M-CPU[][] units, optimizing determinism and maintaining full firmware flash compatibility across CJ-series system architectures.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CJ1W-AD042 Analog Input Unit\u003c\/li\u003e\n\u003cli\u003e1x 18-Point Detachable Terminal Block (M3 Screws)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Insert the module into the assigned CJ-series rack position, aligning backplane bus connectors, and secure top\/bottom locking latches to the DIN rail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Connect voltage or current analog input conductors to the 18-point detachable terminal block using standard M3 screw terminations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Encase analog input lines in twisted-pair cables with 360-deg braid shielding connected to the local panel earth terminal bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Secure a low-impedance copper strap from the host PLC rack functional earth (FE) terminal directly to the enclosure grounding bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat input signal options are available on the CJ1W-AD042 module?\u003c\/p\u003e\n\u003cp\u003eThe CJ1W-AD042 supports 1 to 5 V, 0 to 10 V, -5 to +5 V, -10 to +10 V, and 4 to 20 mA analog input ranges across 4 channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat conversion speeds does the CJ1W-AD042 achieve per point?\u003c\/p\u003e\n\u003cp\u003eThe A\/D conversion period executes at 20 us for 1 point, 25 us for 2 points, 30 us for 3 points, and 35 us for 4 points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs channel-to-channel isolation available between input loops?\u003c\/p\u003e\n\u003cp\u003eA digital isolator isolates field I\/O from controller signals, but no electrical isolation exists between individual input channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum overload values are tolerated on the input terminals?\u003c\/p\u003e\n\u003cp\u003eThe maximum rated continuous input is +\/-15 V for voltage input configurations and +\/-30 mA for current input configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat physical dimensions apply to the CJ1W-AD042 hardware housing?\u003c\/p\u003e\n\u003cp\u003eThe module physical dimensions measure 3.1 cm x 9.0 cm x 6.5 cm with an overall unit weight of 0.15 kg max.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhich PLC controllers support the direct conversion AIDC instruction with this unit?\u003c\/p\u003e\n\u003cp\u003eDirect conversion (AIDC) is supported by CJ2H-CPU[] (unit version 1.1+) and CJ2M-CPU[][] CPU Units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat buffer sizes are available for mean value processing calculations?\u003c\/p\u003e\n\u003cp\u003eMean value processing supports buffer sizes (n) of 2, 4, 8, 16, 32, 64, 128, 256, and 512 sample conversions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the current draw of the CJ1W-AD042 from the 5 VDC backplane bus?\u003c\/p\u003e\n\u003cp\u003eThe module consumes up to 520 mA max. at 5 VDC (2.60 W total power consumption) from the system rack backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306616668333,"sku":"CJ1W-AD042","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1W-AD042_3.jpg?v=1788103432","url":"https:\/\/www.maxwellplc.com\/products\/omron-cj1w-ad042-analog-input-unit-sysmac-cj-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}