{"product_id":"omron-cj1w-da08c-cj-series-8-channel-analog-output-module","title":"Omron CJ1W-DA08C CJ Series 8-Channel Analog Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFacilitating multi-channel analog current loop control within high-density industrial control panels, the \u003cstrong\u003eOmron CJ1W-DA08C\u003c\/strong\u003e provides eight independent analog output channels directly integrated into the CJ-series PLC architecture. This unit converts 16-bit digital values into precise, proportional \u003cstrong\u003e4 to 20 mA\u003c\/strong\u003e current loop signals for driving field actuators, control valves, and drive references. Utilizing an 18-point detachable terminal block, it allows system integrators to perform field wiring offline or swap modules without disturbing existing field terminations. Designed as a Special I\/O Unit, it features configurable output hold logic, built-in engineering scaling, and dedicated diagnostic status indicators to maximize process uptime.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 High-Density Channels:\u003c\/strong\u003e Supports up to eight independent current loop outputs (4 to 20 mA) in a single-slot form factor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Conversion Dynamics:\u003c\/strong\u003e Offers configurable resolution options of 4,000 or 8,000 steps with conversion times down to 250 us per point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Output Hold Behaviors:\u003c\/strong\u003e Protects downstream machinery by outputting defined states (CLR, HOLD, or MAX) during PLC CPU stops, program changes, or error states.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Engineering Scaling:\u003c\/strong\u003e Allows direct conversion of user-defined units within a range of +\/-32,000, eliminating the need for complex ladder logic calculations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotocoupler Isolation:\u003c\/strong\u003e Provides electrical separation between field-side connections and internal controller logic circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetachable M3 Terminal Block:\u003c\/strong\u003e Promotes rapid hardware replacement and minimizes system maintenance downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Control:\u003c\/strong\u003e Direct modulation of proportional flow valves, dampers, and positioners in process control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor Speed Regulation:\u003c\/strong\u003e Transmitting current reference speed commands to variable frequency drives (VFDs).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Recording Integration:\u003c\/strong\u003e Interfacing with legacy chart recorders, indicators, and external SCADA monitoring systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Control Systems:\u003c\/strong\u003e Providing analog setpoints to commercial HVAC control loops and multi-zone heating systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOmron Corporation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCJ1W-DA08C\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModule Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCJ-Series Special I\/O Unit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Analog Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e8\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOutput Signal Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4 to 20 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMaximum Permissible Load Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e350 Ohm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eD\/A Resolution Options\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4,000 \/ 8,000 steps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConversion Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.0 ms or 250 us per active point\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOutput Accuracy at 25 degC\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e+\/-0.3% of Full Scale\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOutput Accuracy over Full Temp Range (0 to 55 degC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e+\/-0.6% of Full Scale\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInternal Power Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e5 VDC at 140 mA maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eExternal Power Supply Requirement\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e24 VDC (+10% \/ -15%), 170 mA maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInrush Current Profile\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e20 A maximum, 1 ms minimum pulse width\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eIsolation Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePhotocoupler (between I\/O terminals and controller backplane logic; no isolation between individual output channels)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eExternal Connections\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e18-point detachable terminal block with M3 terminal screws\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Dimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e31 mm x 90 mm x 65 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e150 g maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.0 kg (with standard protective industrial packaging)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe CJ1W-DA08C is fully form-factor compatible with all Omron CJ1G, CJ1H, and CJ2M\/CJ2H CPU racks. When migrating legacy networks from the CJ1W-DA08V (voltage variant), please note that the CJ1W-DA08C is dedicated exclusively to current loop operations and cannot be modified via software configuration to supply voltage outputs. Always verify that your power supply module on the PLC rack has sufficient 5 VDC capacity to cover the 140 mA drawn by this unit along with any associated communication modules.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eA crucial architectural consideration when designing your panel layout is that \u003cstrong\u003ethere is no channel-to-channel isolation\u003c\/strong\u003e on the CJ1W-DA08C. All eight channels share a common return pathway. If your field actuators or drives operate with differing local electrical ground potentials, ground loops can develop, leading to signal instability, measurement drift, or hardware degradation. In systems requiring high-integrity isolation across channels, external 1:1 signal isolators must be mounted inline. Additionally, pay close attention to loop impedance: any load exceeding 350 Ohm will cause current clipping and lead to output calibration errors.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo minimize high-frequency noise interference, always run analog output signals in shielded twisted-pair cables, routing them through dedicated low-voltage wireways isolated from high-voltage AC lines. Terminate the cable shields exclusively at one end (preferably the cabinet ground bar near the PLC) to eliminate the risk of noise induction from ground loop currents. Use the detachable terminal block to complete all wiring adjustments on a bench before snapping the module onto the rack, protecting the sensitive internal photocoupler circuits from accidental contact with stray wire strands or active voltage pins.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-weight: bold;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0.5rem 0 0 0;\"\u003eEnsure that both the primary PLC backplane power supply and the external 24 VDC power supply connected to the unit are completely de-energized prior to inserting, extracting, or wiring the module. Performing actions while powered (hot-swapping) can induce physical damage to the module backplane connections or cause connected field actuators to activate unexpectedly.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eLocate the mounting slot on your CJ-series rack and insert the top hook of the module into the DIN rail guide, then rotate it downward until the connector fits firmly into the backplane.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eSecure the module in place using the yellow locking slide indicators located at the top and bottom of the unit casing.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eConfigure the hardware unit number rotary dials on the front panel to ensure they match the corresponding address assignments programmed in CX-Programmer or Sysmac Studio.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eAttach the pre-wired 18-point detachable terminal block, torque the M3 screws to 0.5 Nm, and double-check the 24 VDC external power feed polarity before energizing the system.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077927854443,"sku":"CJ1W-DA08C","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj1w-da08c-lahhqcojkx5.png?v=1775733504","url":"https:\/\/www.plcprotech.com\/de\/products\/omron-cj1w-da08c-cj-series-8-channel-analog-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}