{"product_id":"stbaci1230-schneider-electric-2-channel-current-input-advantys-stb","title":"STBACI1230 Schneider Electric 2-Channel Current Input | Advantys STB","description":"\n\u003ch3\u003e\u003cstrong\u003eSTBACI1230 Analog Current Input Module – Schneider Electric Advantys STB\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#1A73E8;\"\u003eSTBACI1230\u003c\/span\u003e\u003c\/strong\u003e is a standard two-channel analog current input module in the \u003cstrong\u003e\u003cspan style=\"color:#1A73E8;\"\u003eSchneider Electric Advantys STB\u003c\/span\u003e\u003c\/strong\u003e distributed I\/O platform. It acquires single-ended current signals from field instruments and transfers the measured values to the island bus for controller processing.\u003c\/p\u003e\n\n\u003cp\u003eEach channel supports a 0–20 mA input range, including common 4–20 mA instrumentation signals. Its 12-bit resolution, 5 ms response time, and 10 ms two-channel update time support routine process monitoring and control applications.\u003c\/p\u003e\n\n\u003cp\u003eFor system designers, the key considerations are input scaling, common-reference wiring, channel voltage limits, and the module's isolation boundaries. These details help prevent measurement errors during installation and commissioning.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e1. Signal Acquisition – From Field Current to Controller Data\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe module provides two single-ended current input channels. Each channel measures a field current signal within the specified 0–20 mA range.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput channel configuration:\u003c\/strong\u003e 2 single-ended channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported signal:\u003c\/strong\u003e 0–20 mA, including 4–20 mA transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion resolution:\u003c\/strong\u003e 12 bits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput response:\u003c\/strong\u003e 5 ms for both channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel update time:\u003c\/strong\u003e 10 ms for two channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput filtering:\u003c\/strong\u003e Single low-pass filter, 25 Hz nominal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIn a typical process application, one channel can monitor a pressure transmitter while the second measures flow or liquid level. The controller receives the acquired values through the Advantys STB island architecture.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e2. Measurement Performance and Signal Limits\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eInput accuracy and signal stability affect the quality of downstream control decisions. The following values define the module's stated measurement performance.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput range\u003c\/td\u003e\n\u003ctd\u003e0–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum input without damage\u003c\/td\u003e\n\u003ctd\u003e25 mA, 50 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegral linearity\u003c\/td\u003e\n\u003ctd\u003e±0.1% FS typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy at 25 °C\u003c\/td\u003e\n\u003ctd\u003e±0.5% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature drift\u003c\/td\u003e\n\u003ctd\u003e±0.01% FS\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput filter\u003c\/td\u003e\n\u003ctd\u003e25 Hz nominal low-pass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse time\u003c\/td\u003e\n\u003ctd\u003e5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo-channel update time\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineering note:\u003c\/strong\u003e The specified accuracy is ±0.5% of full scale at 25 °C, not ±0.5% of the instantaneous reading. For a 0–20 mA range, this distinction matters when evaluating measurement error near the lower end of the signal range.\u003c\/p\u003e\n\n\u003cp\u003eFor a 4–20 mA transmitter, configure the controller's engineering-unit scaling to match the transmitter's measurement span. Do not treat the module's 0–20 mA electrical range as the transmitter's process range.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e3. Electrical Architecture and Isolation Boundaries\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe STBACI1230 receives its 24 V DC supply through the island power distribution module. It also draws 100 mA from the 5 V DC logic bus.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical item\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule supply\u003c\/td\u003e\n\u003ctd\u003e24 V DC via PDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic bus current\u003c\/td\u003e\n\u003ctd\u003e100 mA at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField-to-bus isolation\u003c\/td\u003e\n\u003ctd\u003e1500 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel-to-channel voltage rating\u003c\/td\u003e\n\u003ctd\u003e30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot swapping\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField-device current specification\u003c\/td\u003e\n\u003ctd\u003e100 mA per channel, with electronic short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThe 1500 V AC field-to-bus isolation rating describes the separation between field circuits and the island bus. The 30 V DC channel-to-channel rating is a separate electrical limit. Neither value should be interpreted as permission to exceed the specified input or wiring limits.\u003c\/p\u003e\n\n\u003cp\u003eThe stated 100 mA per-channel field-device current specification includes electronic short-circuit protection. Confirm the intended field-device power arrangement and terminal wiring against the Schneider Electric installation documentation before connecting transmitters.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e4. Advantys STB Island Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eCorrect base and power distribution module selection is essential for mechanical installation and island power planning.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct model:\u003c\/strong\u003e STBACI1230.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O base:\u003c\/strong\u003e STBXBA1000, 13.9 mm wide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower distribution module:\u003c\/strong\u003e STBPDT3100, 24 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsland supply arrangement:\u003c\/strong\u003e 24 V DC through the PDM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic bus demand:\u003c\/strong\u003e 100 mA at 5 V DC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBefore installation, check the island configuration, module position, base compatibility, and available power budget. Include the module's logic bus consumption when calculating the total island load.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e5. Field Installation and Commissioning Checks\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eUse the following checks when integrating the module into a distributed control system.\u003c\/p\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the signal type:\u003c\/strong\u003e Confirm that each field instrument provides a current output compatible with the 0–20 mA input range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck transmitter wiring:\u003c\/strong\u003e Identify the transmitter's signal and common terminals. Follow the approved single-ended wiring arrangement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the power architecture:\u003c\/strong\u003e Verify the 24 V DC PDM supply and the island's 5 V DC bus capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReview channel limits:\u003c\/strong\u003e Keep the input current and applied voltage within the specified operating limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure scaling:\u003c\/strong\u003e Match the controller's raw input conversion to the transmitter's engineering range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest both channels:\u003c\/strong\u003e Apply known current values and compare the displayed readings with the expected values.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003ePractical commissioning advice:\u003c\/strong\u003e If a 4–20 mA instrument displays an incorrect process value, first check the controller scaling and transmitter range. Then inspect the signal wiring and common reference. This sequence helps separate configuration errors from field-circuit problems.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e6. Environmental and Mechanical Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThe IP20 rating is intended for installation inside a suitable electrical enclosure. It does not provide protection against water or conductive dust. Select the cabinet and installation environment according to the site's electrical and environmental requirements.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e7. Typical Process Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure monitoring:\u003c\/strong\u003e Acquire 4–20 mA signals from pressure transmitters on process lines and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow measurement:\u003c\/strong\u003e Collect analog current outputs from flow instruments for controller-based monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank level measurement:\u003c\/strong\u003e Read current signals from level transmitters in storage and process vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUtility system monitoring:\u003c\/strong\u003e Bring instrument signals from pumps, compressors, and auxiliary equipment into a distributed I\/O island.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003e8. Five Engineering FAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: How should engineers interpret the 12-bit resolution when selecting this module for a process measurement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The 12-bit converter divides the configured measurement range into discrete digital steps. Resolution describes the conversion granularity, while the stated ±0.5% FS accuracy describes measurement performance at 25 °C. Engineers should evaluate both values when determining whether the module meets the process measurement tolerance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: What should be checked if the measured value fluctuates while the transmitter output remains stable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Inspect the signal cable routing, terminal connections, and common reference first. Keep analog signal wiring away from motor power cables and switching conductors where practical. Also review the nominal 25 Hz input filter and controller update configuration before changing transmitter calibration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: Can the module directly identify a failed transmitter or an open-loop condition?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The supplied specifications do not establish a dedicated open-wire diagnostic function. Do not assume that the module automatically distinguishes a broken loop from a genuine low process value. If fault detection is required, define suitable transmitter diagnostics, controller thresholds, and maintenance alarms in the system design.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4: Why should the 30 V DC channel-to-channel rating be reviewed when connecting two instruments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The two inputs are single-ended, so their reference and potential relationships matter. Check the voltage difference between channel circuits before connecting instruments with separate power supplies or grounded outputs. Keep the wiring within the stated 30 V DC channel-to-channel limit and follow the manufacturer's wiring diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5: What is a useful maintenance test for verifying measurement performance after replacing a field instrument?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use a calibrated current source to apply several known points across the configured range. Include the lower, middle, and upper portions of the measurement span. Compare the controller values with the expected readings, then check the transmitter's engineering-unit scaling and record the results for future maintenance comparison.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e9. Product Identification and Supply Support\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e STBACI1230\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct family:\u003c\/strong\u003e Advantys STB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule type:\u003c\/strong\u003e Standard analog current input module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel configuration:\u003c\/strong\u003e 2 single-ended inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal range:\u003c\/strong\u003e 0–20 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended I\/O base:\u003c\/strong\u003e STBXBA1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified PDM:\u003c\/strong\u003e STBPDT3100, 24 V DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eGlobal PLC Spare HUB supports industrial automation spare-part sourcing for maintenance teams, system integrators, and plant operators. Contact our team to confirm STBACI1230 availability, configuration requirements, and quotation details.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months, subject to the agreed supply terms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping support:\u003c\/strong\u003e DHL, FedEx, and UPS options are available. Dispatch arrangements are confirmed with the order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor inquiries:\u003c\/strong\u003e Contact us with the complete model number and required quantity to support accurate order verification.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":68006285344950,"sku":"STBACI1230","price":186.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/STBACI1230-1.jpg?v=1793946476","url":"https:\/\/www.plcsparehub.com\/products\/stbaci1230-schneider-electric-2-channel-current-input-advantys-stb","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}