{"product_id":"yokogawa-aai841-s00-s2-analog-i-o-module","title":"Yokogawa AAI841-S00 S2 Analog I\/O Module","description":"\u003cp\u003eConfigured for simultaneous field sensing and control execution in CENTUM VP and CENTUM CS 3000 systems, the \u003cstrong\u003eYokogawa AAI841-S00 S2\u003c\/strong\u003e (\u003cstrong\u003eAAI841\u003c\/strong\u003e Analog Input\/Output Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAAI841-S00 S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog Input\/Output Module (FIO System)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-channel, non-isolated (common ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-channel, non-isolated (common ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput: 4 to 20 mA DC \/ Output: 4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Update Period\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Step Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Step Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput: plus\/minus 16 uA \/ Output: plus\/minus 48 uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e310 mA at 5 V DC, 500 mA at 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWithstanding Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 V AC for 1 minute (I\/O to system logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.20 lbs (1.0 kg packaged mass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130 mm x 25 mm x 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Integration \u0026amp; Fieldbus Management\u003c\/h3\u003e\n\u003cp\u003eThe AAI841-S00 S2 functions within the standard Field I\/O (FIO) architecture to manage continuous loop processes. The subsystem implements specific signal parameters:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Protocol Processing:\u003c\/strong\u003e The hardware processes standard 4 to 20 mA analog feedback loops. This variant is a non-HART analog module, establishing direct and unmodulated DC path representations of process variables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e This module operates on a non-isolated common-ground design. Ground potential differences must be minimized across all field devices to avoid measurement offsets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter Power Supply:\u003c\/strong\u003e Built-in power generation delivers 14.8 V DC or higher (at 20 mA load) to power standard 2-wire transmitter circuits directly from the input terminal connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AAI841-S00 S2 support dual-redundant configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The module can be installed in pairs within a redundant FIO terminal sub-unit. In this layout, the secondary module remains in a hot-standby state, ready to assume control without process bump if a hardware failure is detected on the primary module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the significance of the \"S00\" and \"S2\" designators?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \"S00\" suffix represents the standard non-HART communications hardware with basic non-explosion protection. The \"S2\" designator refers to the physical style and component revision of the module's enclosure and integrated circuit assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the module handle open-circuit detection on its inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The module incorporates an integrated diagnostic routine that triggers a circuit-open alarm when the measured current on any active input channel falls below 0.65 mA.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Mitigation Protocol:\u003c\/strong\u003e Grounding wrist straps must be used when removing or inserting modules to prevent static discharge to exposed backplane connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon-Ground Wiring Precautions:\u003c\/strong\u003e Because the analog channels are non-isolated, ensure that all connected field transmitters share a stable, equipotential ground plane. Significant ground loop currents will corrupt analog measurement accuracy and can damage the module's multiplexer circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface Cable Connection:\u003c\/strong\u003e Field connections can be established using a standard ATA4S pressure clamp terminal block, or via KS cables routed to dedicated external interface panels. Connectors must be locked into place using the integrated retaining screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Alignment:\u003c\/strong\u003e Align the plastic guide keys of the module with the targeted slot in the FIO node. Slide the module straight into the slot until the latching mechanism clicks to confirm secure connection with the backplane.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45235442843763,"sku":"AAI841-S00 S2","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-10_17-00-44_fd649316-1566-4e66-a1db-8af3026c1dd6.png?v=1784023021","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-aai841-s00-s2-analog-i-o-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}