{"product_id":"abb-cai20-3bdh000722r1-analog-input-module-symphony-melody-dcs","title":"ABB CAI20 3BDH000722R1 Analog Input Module Symphony Melody DCS","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB CAI20 (3BDH000722R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density Analog Input Module designed for ABB Symphony Melody Distributed Control Systems (DCS), formerly Hartmann \u0026amp; Braun Contronic. It provides precise acquisition of analog signals from field transmitters in power plants, process industries, and large automation networks. The module integrates signal conditioning, electrical isolation, and A\/D conversion to ensure reliable and accurate data delivery to the control system.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupports up to 32 analog inputs for current (0\/4–20 mA) or voltage (0–10 V) signals, depending on configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with 2-wire and 4-wire transmitters, including HART protocol (v5.0 \/ 5.1) communication for remote configuration and diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable in four groups of eight channels to match system design and wiring requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated transmitter supply, short-circuit and overload-proof for enhanced reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRedundant operation capability for high-availability installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous self-monitoring and field supervision for wire breaks, short circuits, and module faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance and Technical Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHigh update speed: \u0026lt; 40 ms for real-time process monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-pass filtering (T = 100 ms) for stable and noise-free measurements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroup-wise electrical isolation (500 Veff) to protect control system logic from field-side disturbances\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports up to 32 digital actuators of “Contrac” type for advanced control integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUp to 32, configurable in 4 groups of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0\/4–20 mA, 0–10 V, Binary Release Signals (4-wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eUpdate Time\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u0026lt; 40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e20–33 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMax 11 W at 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e500 Veff to system logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eCommunication\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eHART 5.0 \/ 5.1 with compatible transmitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eRedundant Operation\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eAcquisition of analog signals in power generation and industrial processes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect interface to 2-wire or 4-wire HART transmitters without external multiplexers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-density monitoring in utility plants and large automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimplified maintenance and wiring for smart instrumentation networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the CAI20 handle both current and voltage inputs?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the module supports 0\/4–20 mA current and 0–10 V voltage signals, with separate configuration groups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it support HART communication?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the CAI20 includes full HART protocol support (v5.0 \/ 5.1) for transmitter diagnostics and remote configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the module suitable for redundant operation?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it can operate in redundant mode for critical processes where system uptime is essential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How are field faults handled?\u003c\/strong\u003e\u003cbr\u003eA: The module continuously monitors connected transmitters for wire breaks and short circuits and reports issues via onboard LEDs and the system bus.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44121696665699,"sku":"CAI20","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABBCAI20-3.jpg?v=1776388679","url":"https:\/\/precisemodule.com\/products\/abb-cai20-3bdh000722r1-analog-input-module-symphony-melody-dcs","provider":"Precise Module Ltd.","version":"1.0","type":"link"}