{"product_id":"kj3221x1-ba1-emerson-deltav-8-channel-analog-output-module-4-20-ma-hart","title":"KJ3221X1-BA1 Emerson DeltaV 8-Channel Analog Output Module 4–20 mA HART","description":"\n\u003ch3\u003e\u003cb\u003eKJ3221X1-BA1 | Emerson DeltaV 8-Channel Analog Output Module\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003e4–20 mA HART output • Eight field channels • DeltaV distributed control system\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eEmerson KJ3221X1-BA1\u003c\/b\u003e is an eight-channel analog output (AO) module for DeltaV control-system applications. It provides 4–20 mA output signals with HART capability for interfacing controller outputs with compatible field devices such as control-valve positioners and other current-loop actuators.\u003c\/p\u003e\n\u003cp\u003eFor controls engineers, selection and commissioning depend on the intended field-device interface, available field power, terminal-block keying and the installation’s hazardous-area requirements. Confirm the full module and terminal-block configuration against the DeltaV hardware documentation before replacement or integration.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eSignal path at a glance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eDeltaV control strategy\u003c\/b\u003e → AO module channel → 4–20 mA field loop → compatible HART field instrument\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eControl output:\u003c\/b\u003e analog current signal for command or setpoint transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChannel count:\u003c\/b\u003e eight outputs, as identified in the supplied product description.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHART:\u003c\/b\u003e supports HART communication in the specified AO application; verify the field instrument, loop design and DeltaV configuration support the required HART functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystem role:\u003c\/b\u003e converts controller output commands into field current signals; it is not a standalone controller or field instrument.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003ePower and electrical requirements\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eLocal bus power\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e12 V DC at 150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBussed field power\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC at 300 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eField circuit\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC at 23 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput signal\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4–20 mA analog output with HART, per supplied product identification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTerminal-block key position\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEnclosure \/ terminal-block rating stated in supplied data\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCheck the power budget for the installed I\/O assembly and the field-loop requirements of each connected instrument. The listed field-circuit value is a module specification; it should not be interpreted as confirmation that every external load or loop arrangement is supported.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eEnvironmental operating envelope\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAmbient temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e−40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRelative humidity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e5–95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eShock\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e10 g, half-sine, 11 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eVibration\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mm peak-to-peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAirborne contaminants\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04-1985, Class G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMaintain the module and associated terminal block within the stated environmental limits. The IP20 rating does not provide protection against water ingress or direct exposure to conductive dust; the installed enclosure must provide the protection required by the site.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eTerminal-block matching and installation safeguards\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eA rotary keying system is used to maintain compatibility between I\/O cards and terminal blocks after installation. The terminal block must be keyed for the specific I\/O card used. The supplied terminal-block key position for this unit is \u003cb\u003eA4\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the card and terminal-block part numbers and key position before fitting.\u003c\/li\u003e\n\u003cli\u003eDo not force a mismatched card or terminal block into place.\u003c\/li\u003e\n\u003cli\u003eFollow the applicable DeltaV installation and system procedures for field wiring, loop checks and module handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eRemoval and insertion: observe the stated restrictions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe supplied instructions specify that this unit must not be removed or inserted with system power energized unless the area is known to be non-hazardous. Only one unit may be removed or inserted at a time.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNon-sparking field circuits must be de-energized before removal or insertion, including the fused terminal block.\u003c\/b\u003e For an “nL” installation, an I\/O loop assessment must be completed for all energy-limited nodes. Apply the site’s approved isolation and hazardous-area procedures; do not rely on general hot-swap assumptions.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eHazardous-area markings and documentation\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMarking listed\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eII 3G Ex nA IIC Gc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCertificate reference\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eFM12ATEX0090U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCertificate reference\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIECEx FMG 12.0035U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAdditional marking listed\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eII 3G EEx nL IIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCertificate reference\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eNemko 02ATEX431U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese markings and certificate references are reproduced from the supplied information. Confirm the applicable certificate, installation conditions, protection concept and jurisdictional requirements for the actual site and system revision before use in a hazardous area.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eTypical equipment and application areas\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eControl valves and positioners:\u003c\/b\u003e provide current commands to compatible 4–20 mA\/HART valve positioners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProcess actuators:\u003c\/b\u003e transmit analog setpoints to supported current-input field devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDeltaV process-control cabinets:\u003c\/b\u003e implement controller output signals in an installed DeltaV I\/O assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eContinuous process plants:\u003c\/b\u003e support control loops in applications such as flow, pressure, level or temperature control when the final control element accepts the required signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaintenance and retrofit work:\u003c\/b\u003e replace a matching AO module after confirming the terminal-block key, field-loop design, system configuration and hazardous-area conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are typical interface examples, not confirmation that a particular valve, actuator or DeltaV revision is compatible. Check the field instrument’s input requirements and the system’s hardware documentation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eCommissioning and loop-check workflow\u003c\/b\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eConfirm hardware pairing.\u003c\/b\u003e Match the AO card to its terminal block and verify the A4 key position and applicable DeltaV hardware configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReview loop wiring.\u003c\/b\u003e Check polarity, field supply, load requirements, shielding and the wiring arrangement against the field-device and system documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVerify channel assignment.\u003c\/b\u003e Confirm the configured controller output is mapped to the intended physical channel and field instrument.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerform a controlled output test.\u003c\/b\u003e Using the approved commissioning procedure, verify expected current at representative command values across the configured operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck HART communication.\u003c\/b\u003e If HART functions are required, verify communication with the field instrument using the approved DeltaV and instrument tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRecord the loop baseline.\u003c\/b\u003e Document channel assignment, observed output, field-device response and any commissioning deviations.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003e\u003cb\u003eDiagnostics: isolate the signal path\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eField device does not respond to the command\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eVerify the controller output, channel assignment, loop wiring, field supply and instrument input configuration. Check current at an approved test point.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMeasured loop current differs from the command\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eReview the configured output scaling, wiring polarity, loop load and field-device requirements. Compare the measured current with the intended command using the site’s loop-test procedure.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHART communication is unavailable\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eConfirm the instrument supports HART, the loop arrangement is appropriate and the required DeltaV\/HART configuration is enabled. Check wiring and communication settings using approved diagnostic tools.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModule or terminal block does not fit correctly\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eStop installation and verify the card\/terminal-block combination and rotary key position. Do not defeat or force the keying mechanism.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eUnexpected behavior after replacement\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCompare the installed module identity, channel mapping, terminal-block pairing, field supply and loop configuration with the recorded system baseline.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe supplied information does not include a module-specific LED legend, diagnostic bit list or fault-code table. For card-level alarms and diagnostic status, consult the applicable Emerson DeltaV hardware and system documentation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen replacing an analog output card, engineers should validate the complete channel interface—not just the card’s model number. For this unit, the terminal-block key position, field power, output-loop requirements and hazardous-area installation conditions are important procurement and commissioning checks.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, identify the installed DeltaV hardware assembly, confirm that the existing terminal block is keyed for the intended card, and establish whether HART communication is required by the field device. During commissioning, compare commanded output with measured loop current and field response to distinguish configuration issues from wiring or instrument problems.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eWarranty and shipping\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 12 months, subject to supplier warranty terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping options:\u003c\/b\u003e FedEx, UPS and DHL, subject to destination and shipment arrangements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuotation information:\u003c\/b\u003e provide the complete model, quantity, installed DeltaV system details, terminal-block information and delivery destination for a compatibility and shipping review.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ1. What is the most important compatibility check when sourcing this AO module?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eConfirm the exact DeltaV I\/O card identity and its required terminal-block pairing, including the stated A4 key position. Also verify the system revision, field-loop requirements and any hazardous-area conditions relevant to the installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ2. Does an 8-channel rating mean all eight loops can use any 4–20 mA field device?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Channel count describes the module’s output capacity, but each loop must still meet the device’s electrical, load, wiring and HART requirements. Review the field instrument and system documentation for the supported loop arrangement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ3. How can a technician check an output loop without changing the process unsafely?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUse the plant’s approved commissioning or maintenance procedure, including required process permissions and isolation. Verify the controller command and measure loop current at an approved point; do not force outputs or disconnect live circuits without authorization.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ4. What does the “nL” installation note mean for maintenance planning?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied instructions require an I\/O loop assessment for all energy-limited nodes in an “nL” installation. Maintenance personnel should review the applicable hazardous-area documentation and de-energize non-sparking field circuits, including the fused terminal block, before removal or insertion as specified.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ5. What details should be included in a purchase inquiry for a replacement?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eInclude the complete model, quantity, DeltaV system or I\/O assembly details, terminal-block identity and key position, intended field-device type, HART requirement and site\/destination information. These details help assess the correct hardware pairing and application requirements before shipment.\u003c\/p\u003e\n","brand":"Emerson","offers":[{"title":"Default Title","offer_id":67717887066294,"sku":"KJ3221X1-BA1","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KJ3221X1-BA1-2.jpg?v=1792653638","url":"https:\/\/www.plcsparehub.com\/products\/kj3221x1-ba1-emerson-deltav-8-channel-analog-output-module-4-20-ma-hart","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}