{"product_id":"abb-pfbk161-3bse000471r1-digital-input-output-plc-modules","title":"ABB PFBK161 3BSE000471R1 Digital Input Output PLC Modules","description":"\u003ch2\u003eABB PFBK161 Digital PLC Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB PFBK161 3BSE000471R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePFBK161\u003c\/strong\u003e PLC Module, operates as a dedicated hardware component for discrete signal acquisition and field actuator driving within industrial control systems. Configured with 16 digital input channels and 16 digital output channels operating at 24 VDC, this unit routes digital field states to the central processor using integrated Ethernet and RS485 communication links.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePFBK161\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3BSE000471R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 x 90 x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal field supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 Digital Inputs (24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e16 Digital Outputs (24 VDC, 0.5 A per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003eEthernet, RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Networks \u0026amp; Backplane Bus Integration\u003c\/h3\u003e\n\u003cp\u003eIndustrial automation systems require precise synchronization between field I\/O devices and control processors. The PFBK161 utilizes high-density I\/O channels combined with deterministic network protocols over Ethernet and RS485 to minimize communication latency. Galvanic isolation across input and output banks suppresses transient voltage spikes, preventing cross-talk and preserving signal integrity across the backplane bus. The module flash-updates firmware via host system utilities, ensuring version compatibility without necessitating physical disassembly from the control cabinet layout.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum continuous current capacity per digital output channel on the PFBK161?\u003c\/p\u003e\n\u003cp\u003eA: Each digital output channel delivers a maximum continuous current of 0.5 A at 24 VDC to drive field relays, solenoids, or indicator circuits.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module maintain signal integrity across long RS485 communication lines?\u003c\/p\u003e\n\u003cp\u003eA: Integrated galvanic isolation shields internal processing circuits from ground loops and differential surge voltages commonly induced along extended fieldbus cabling paths.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module securely in a vertical orientation within the control cabinet to maximize ambient air convection across the enclosure surface.\u003c\/li\u003e\n\u003cli\u003eRoute 24 VDC power wiring and digital I\/O lines separately from high-voltage AC cables to prevent electromagnetic coupling.\u003c\/li\u003e\n\u003cli\u003eTerminate all RS485 network segments using standard end-of-line terminating resistors to prevent signal reflection across fieldbus trunks.\u003c\/li\u003e\n\u003cli\u003eConnect the cabinet ground system directly to the protective earth terminal using a low-impedance copper jumper with a length under 30 cm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43770507133027,"sku":"3BSE000470R1 PFBK105","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/126_dfb8bf4d-fa9e-4767-815b-e0571000af99.jpg?v=1760086988","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-pfbk161-3bse000471r1-digital-input-output-plc-modules","provider":"AutoControl Global","version":"1.0","type":"link"}