{"product_id":"delta-ah08ad-5b-ah500-series-8-channel-analog-input-module","title":"DELTA AH08AD-5B Série AH500 Module d'entrée analogique 8 canaux","description":"\u003ch3\u003eOverview \u0026amp; Engineering Value\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAH08AD-5B (AH08AD5B)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-density analog input interface designed for the Delta AH500 series PLC platform. Built to handle demanding process control scenarios in industries such as wastewater treatment, petrochemical refining, and automated power distribution, this module guarantees precise data acquisition under harsh electrical conditions. By integrating eight high-resolution channels into a compact form factor, it minimizes cabinet space requirements while delivering exceptional noise immunity. The hot-swap functionality eliminates production line downtime during routine maintenance, allowing system integrators to replace modules without halting the central processing unit or interrupting critical sequential control operations.\u003c\/p\u003e\n\u003ch3\u003eSystem Configuration \u0026amp; Architectural Design\u003c\/h3\u003e\n\u003cp\u003eThe hardware architecture of this module leverages an isolated signal design to decouple field-side loops from the sensitive internal logic circuits. This configuration effectively blocks ground loops and high-voltage transients common in industrial environments. Signal digitalization is managed via a high-performance 16-bit successive approximation register (SAR) analog-to-digital converter, providing fine-grained resolution for both voltage and current loops.\u003c\/p\u003e\n\u003cp\u003eThe embedded interrupt function allows the CPU to react instantaneously to critical process deviations, bypassing normal program scan times when a channel threshold is breached. Diagnostic capabilities are handled via integrated hardware registers that continuously monitor system health, wire disconnections, and out-of-range inputs, reporting real-time faults directly to the host controller via the backplane.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAH08AD-5B\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDELTA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTaiwan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Ranges (Voltage)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 1 V, 1 to 5 V, -5 to +5 V, 0 to 10 V, -10 to +10 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Ranges (Current)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 20 mA, 4 to 20 mA, -20 to +20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHardware Resolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16-bit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversion Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150 microseconds \/ channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBase Error (at 25 deg C)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage mode: +\/-0.1%, Current mode: +\/-0.1%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBase Error (Full Range)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage mode: +\/-0.45%, Current mode: +\/-0.2%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLinearity Error (at 25 deg C)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage mode: +\/-0.07%, Current mode: +\/-0.05%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.9 W (Internal backplane power)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptical isolation between digital and analog circuits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Connection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJIS removable terminal block\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e110 mm x 35 mm x 103 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.35 kg (Shipping Weight: 2.0 kg due to protective packaging)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Queries \u0026amp; Troubleshooting\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle a combination of voltage and current inputs simultaneously?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hardware supports mixed signal allocation across its 8 channels. Configuration is managed via the PLC programming software, where each channel can be independently mapped to match the field sensor's electrical output profile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat actions should be taken if the module status LED indicates an error?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck the internal diagnostic registers using the programming utility. A solid red error indicator typically points to an external power supply fault, an open circuit on a 4-20 mA current loop, or an input signal exceeding the maximum configured threshold.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the hot-swapping feature safe to use while the process is live?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The backplane interface is engineered with staged pin lengths to control inrush currents. The module can be removed or inserted while the rack is powered without risk of damaging the internal logic or disrupting neighboring I\/O modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning \u0026amp; Safety Protocols\u003c\/h3\u003e\n\u003ch3\u003eShielding and Grounding Standards\u003c\/h3\u003e\n\u003cp\u003eTo mitigate electromagnetic interference, all analog instrument cables must utilize twisted-pair conductors with an overall braided shield. Terminate the shield exclusively at the control cabinet ground bar using a low-impedance grounding clamp. Leaving the field-instrument end of the shield floating prevents the formation of ground loops that distort 16-bit signal conversion accuracy.\u003c\/p\u003e\n\u003ch3\u003eTerminal Block Torque and Wiring\u003c\/h3\u003e\n\u003cp\u003eWhen interfacing with the JIS removable terminal block, utilize insulated ferrule terminals to eliminate the risk of stray wire strands creating short circuits. Tighten all terminal screws to a maximum torque specification of 0.5 Nm. Avoid routing low-voltage analog signal lines within the same conduit or wire duct as high-voltage AC motor drive cables to prevent inductive noise coupling.\u003c\/p\u003e\n\u003ch3\u003eThermal Management Guidelines\u003c\/h3\u003e\n\u003cp\u003eMaintain a minimum clearance of 50 mm above and below the module rack to ensure natural convective airflow. In enclosed control panels experiencing ambient temperatures near the upper limit of 60 deg C, forced ventilation or an active air conditioning system must be deployed to avoid thermal drifting of the internal analog references.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Delta Electronics","offers":[{"title":"Default Title","offer_id":53102411972971,"sku":"AH08AD-5B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/AH08AD-5B-0g5kvjqqwsl.png?v=1776137196","url":"https:\/\/www.plcprotech.com\/fr\/products\/delta-ah08ad-5b-ah500-series-8-channel-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}