{"product_id":"900a16-0101-honeywell-hc900-high-level-analog-input-module","title":"900A16-0101 Honeywell HC900 High-Level Analog Input Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e900A16-0101\u003c\/strong\u003e\u003c\/span\u003e is a high-density, high-level analog input module engineered for the Honeywell \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eHC900\u003c\/strong\u003e\u003c\/span\u003e control platform. This module interfaces directly with voltage and current field transmitters, offering 16 isolated channels to maximize rack space efficiency. Each input channel features independent software configuration, enabling seamless mixing of process signals on a single hardware footprint.\u003c\/p\u003e\n\u003cp\u003eArchitected for zero-latency data acquisition, the \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e900A16-0101\u003c\/strong\u003e\u003c\/span\u003e performs analog-to-digital conversions in strict synchronization with the CPU control execution cycle. Parallel processing across all hardware modules guarantees that system scan times remain constant when expanding the I\/O architecture. Onboard DIP switches activate integrated 250-ohm shunt resistors for current loops, removing the need for external precision resistors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineering teams select the \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e900A16-0101\u003c\/strong\u003e\u003c\/span\u003e due to its superior point-to-point electrical isolation and noise rejection capabilities. Industrial field environments introduce high common-mode voltages and severe line noise that degrade signal accuracy. This \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eHC900\u003c\/strong\u003e\u003c\/span\u003e series module deploys solid-state switching to deliver 400VDC channel-to-channel isolation and 1KVDC isolation to the logic backplane. Combined with a common-mode rejection ratio of over 90dB at 120VAC, this hardware isolates sensitive control logic from destructive field anomalies.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Honeywell\u003c\/li\u003e\n\u003cli\u003eModel: \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e900A16-0101\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeries: \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/honeywell-controledge-hc900-io-modules\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eHC900\u003c\/strong\u003e\u003c\/span\u003e Process Controller\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eModule Type: High-Level Analog Input\u003c\/li\u003e\n\u003cli\u003eChannel Density: 16 isolated points per module\u003c\/li\u003e\n\u003cli\u003eInput Range Compatibility: Direct Voltage (V) and Current (mA) loops\u003c\/li\u003e\n\u003cli\u003eInput Impedance: Greater than 1 Megohm for voltage, 250 Ohms for current\u003c\/li\u003e\n\u003cli\u003eAnalog-to-Digital Converter: One dedicated converter per module running at +\/- 15 Bits resolution\u003c\/li\u003e\n\u003cli\u003eUpdate Rate: 100ms parallel conversion time across all channels\u003c\/li\u003e\n\u003cli\u003eFactory Configured Accuracy: ±0.1% of selected signal range at reference conditions\u003c\/li\u003e\n\u003cli\u003eField Calibration Accuracy: High-precision tuning achieves ±0.05% of range\u003c\/li\u003e\n\u003cli\u003eThermal Drift Coefficient: Maximum ±0.01% of full scale per degree Celsius deviation\u003c\/li\u003e\n\u003cli\u003eLong-Term Stability: 0.1% accuracy retention per year\u003c\/li\u003e\n\u003cli\u003ePower Demand: 5VDC at 75mA maximum, 24VDC at 50mA maximum from backplane\u003c\/li\u003e\n\u003cli\u003eRequired Connection Hardware: Euro-style 36-terminal block assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous internal scanning monitors factory calibration and field calibration integrity in real-time.\u003c\/li\u003e\n\u003cli\u003eInternal watchdog registers verify configuration data validation and track the 24VDC field power supply.\u003c\/li\u003e\n\u003cli\u003eA green blinking status LED provides immediate visual confirmation of active backplane scanning.\u003c\/li\u003e\n\u003cli\u003eAn amber blinking status LED illuminates when specific input channels are locked via forced variables.\u003c\/li\u003e\n\u003cli\u003eA solid red status LED illuminates instantly upon detection of internal module hardware faults.\u003c\/li\u003e\n\u003cli\u003eConfigurable per-channel failsafe parameters dictate safe-state variable insertion if backplane communications drop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-zone industrial baking ovens and heat treatment furnaces utilizing continuous temperature transmitters.\u003c\/li\u003e\n\u003cli\u003ePetrochemical blending stations running extensive networks of 4-20mA differential pressure flow meters.\u003c\/li\u003e\n\u003cli\u003eBoiler drum level management systems requiring synchronized tracking of level and feed-water pressure.\u003c\/li\u003e\n\u003cli\u003eWastewater treatment plants interfacing with multi-parameter analytical sensors for pH and dissolved oxygen.\u003c\/li\u003e\n\u003cli\u003ePower generation monitoring arrays tracking high-voltage transducers and generator field variables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProcurement \u0026amp; Selection Guidance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that your field sensors utilize high-level linear voltage or standard current loops before specifying.\u003c\/li\u003e\n\u003cli\u003eConfirm your terminal inventory includes the required Euro-style 36-terminal block to complete the installation.\u003c\/li\u003e\n\u003cli\u003eAccount for the 100ms conversion update rate when designing fast-acting, high-speed safety trip loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eLogistics, Packaging \u0026amp; Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Contents: One factory-packed \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eHoneywell 900A16-0101\u003c\/strong\u003e\u003c\/span\u003e high-level input block.\u003c\/li\u003e\n\u003cli\u003eWarranty Term: Comprehensive 12-month mechanical and electronic warranty coverage.\u003c\/li\u003e\n\u003cli\u003eDispatch Lead Time: Orders exit the fulfillment center within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003eCarrier Channels: Express international transit managed via premium services including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e How do I switch a channel from a voltage input to a 4-20mA current loop input?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e You must configure the channel type in the software and manually actuate the corresponding onboard DIP switch to engage the internal 250-ohm shunt resistor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Does a failure on one channel affect the conversion speed of the remaining fifteen channels?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, the architecture executes parallel processing across all channels, maintaining the steady 100ms update rate regardless of individual channel errors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Where is the custom field calibration data retained if the chassis loses total station power?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The module writes all user-calibrated points and channel configuration data directly to onboard non-volatile memory, preventing field data loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e What field wiring technique best preserves the 90dB common-mode noise rejection spec?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Experienced instrument techs recommend using individually shielded twisted-pair cabling, grounding the shields at a single ground reference point near the chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Can this module read low-level millivolt signals from thermocouples directly?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, this high-level module requires conditioned volt or mA inputs; direct thermocouple signals require a specialized low-level input module.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/900A16-0101.png?v=1782789396\"\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45013984247990,"sku":"900A16-0101","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/900A16-0101_c56471fc-08eb-4192-9b06-6f8537b32f87.jpg?v=1782789382","url":"https:\/\/www.plcsparehub.com\/products\/900a16-0101-honeywell-hc900-high-level-analog-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}