{"product_id":"ip91-a-yokogawa-s9881bm-0-communication-board","title":"IP91-A | Yokogawa S9881BM-0 Communication Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa IP91-A\u003c\/strong\u003e (assembly number \u003cstrong\u003eAS S9881BM-0\u003c\/strong\u003e) is a \u003cstrong\u003ecommunication board module\u003c\/strong\u003e designed for Yokogawa industrial automation control systems. It serves as the primary communication interface between the process control unit and the system network, enabling reliable data exchange and system coordination within Yokogawa DCS architectures.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e IP91*A AS S9881BM-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Communication Board \/ Interface Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC +10% \/ -10%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Current:\u003c\/strong\u003e Up to 8.0 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvervoltage Protection:\u003c\/strong\u003e 32 V or lower detection level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWithstand Voltage:\u003c\/strong\u003e 500 V AC (output to ground, 1 minute)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail or wall mount (4 x M4 screws)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.9 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 25.4 x 5.1 x 38.1 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRobust 24 V DC power input with overvoltage protection safeguards downstream components\u003c\/li\u003e\n\u003cli\u003eHigh current capacity up to 8.0 A supports multiple communication channels\u003c\/li\u003e\n\u003cli\u003eFlexible mounting options include DIN rail and wall mount configurations\u003c\/li\u003e\n\u003cli\u003eCompact form factor fits standard industrial control enclosures\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration into Yokogawa control system backplanes\u003c\/li\u003e\n\u003cli\u003eReliable data transmission ensures continuous system communication integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProcess control unit network interface in Yokogawa DCS\u003c\/li\u003e\n\u003cli\u003eCommunication bridge between field control units and operator stations\u003c\/li\u003e\n\u003cli\u003eIndustrial automation systems requiring Yokogawa proprietary bus communication\u003c\/li\u003e\n\u003cli\u003eSystem upgrades and maintenance of legacy Yokogawa control architectures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the suffix *A indicate on the IP91 module?\u003c\/strong\u003e\u003cbr\u003eA: The suffix letter denotes the hardware revision level. IP91*A is Revision A. Verify compatibility with your specific Yokogawa system version before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the assembly number for IP91-A?\u003c\/strong\u003e\u003cbr\u003eA: The assembly number is AS S9881BM-0, which identifies the specific PCB revision and manufacturing batch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module be mounted on DIN rail?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module supports DIN rail mounting (A2BN3D-0) as well as wall mounting with four M4 screws (A2BN3D-1).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum current draw?\u003c\/strong\u003e\u003cbr\u003eA: The module supports up to 8.0 A at 24 V DC with +10% \/ -10% tolerance.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the system before installing the communication board\u003c\/li\u003e\n\u003cli\u003eSelect mounting method: DIN rail clip or four M4 screws for wall mount\u003c\/li\u003e\n\u003cli\u003eFor DIN rail: clip the module onto a 35 mm symmetrical rail\u003c\/li\u003e\n\u003cli\u003eFor wall mount: mark and drill holes, secure with M4 screws\u003c\/li\u003e\n\u003cli\u003eConnect 24 V DC power observing correct polarity\u003c\/li\u003e\n\u003cli\u003eAttach communication cables to the module terminals\u003c\/li\u003e\n\u003cli\u003eEnergize and verify RUN status LED indicates normal operation\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect IP91-A for Yokogawa DCS communication interface applications\u003c\/li\u003e\n\u003cli\u003eVerify the assembly number AS S9881BM-0 matches your system requirements\u003c\/li\u003e\n\u003cli\u003eConfirm mounting style (DIN rail or wall) before ordering accessories\u003c\/li\u003e\n\u003cli\u003eEnsure power supply can deliver up to 8.0 A at 24 V DC\u003c\/li\u003e\n\u003cli\u003eFor redundant configurations, order two modules for primary\/backup setup\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":54012356886712,"sku":"IP91-A","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/IP91-A_2_r270_b2f2b41e-70df-42e1-8209-ddf3077df683.png?v=1788157119","url":"https:\/\/www.globalpetroparts.com\/products\/ip91-a-yokogawa-s9881bm-0-communication-board","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}