{"product_id":"pmkhrmpba10001-abb-process-bus-adaptor-cable-infi-90","title":"PMKHRMPBA10001 ABB Process Bus Adaptor Cable Infi 90","description":"\u003cp\u003eThe \u003cstrong\u003eABB PMKHRMPBA10001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePMKHRMPBA10001\u003c\/strong\u003e Processor Bus Adaptor Cable, operates as a dedicated hardware component for high-speed processor bus interconnection within ABB Bailey Infi 90 Distributed Control System (DCS) racks.\u003c\/p\u003e\n\u003ch3\u003ePart Number Architecture and Variant Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePMKHRMPBA10001 Base Standard\u003c\/strong\u003e: Standard 6 twisted-pair processor bus connection cable assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePMKHRMPBA10001-A Shielded Variant\u003c\/strong\u003e: High-density braided shield variant for high electromagnetic interference environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePMKHRMPBA10001-C Custom Length Option\u003c\/strong\u003e: Factory-terminated custom length configuration for multi-cabinet routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Data Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003ePMKHRMPBA10001\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\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\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e12.7 x 2.5 x 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 ... +80 deg C (jacket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive component (N\/A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductors\u003c\/td\u003e\n\u003ctd\u003e12 x 7\/0.25 mm TC (19 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e6 twisted-pairs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e100 Ohm +\/-10 % @ 1 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e5.2 ns\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e30 V RMS working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V RMS conductor-to-screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarmonized Tariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Backplane Bus Communication Performance\u003c\/h3\u003e\n\u003cp\u003eIn Bailey Infi 90 architectures, the PMKHRMPBA10001 cable maintains low-latency backplane bus communication velocity across processing modules. The matched 100 Ohm differential impedance minimizes signal reflection, maintaining high signal integrity for high-rate deterministic data transfers between master processing units and bus adaptors. The 500 V RMS conductor-to-screen galvanic isolation shields processor communications from grounding loops and transient voltage spikes.\u003c\/p\u003e\n\u003ch3\u003ePackaging and Delivery Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB PMKHRMPBA10001 Processor Bus Adaptor Cable Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Cable Inspection Certificate and Testing Report\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCabinet Wiring and Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBending Radius\u003c\/strong\u003e: Maintain a minimum static bending radius of 10 times the cable outer diameter during tray routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute Separation\u003c\/strong\u003e: Separate the signal bus cable from 230 VAC \/ 480 VAC power lines by a minimum of 300 mm in conduits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding\u003c\/strong\u003e: Connect the cable shield drain wire directly to the system protective earth (PE) busbar at a single point to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Strain Relief\u003c\/strong\u003e: Secure the connector backshells using the built-in thumbscrews to prevent mechanical stress on the PCB headers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHow does improper impedance matching affect the Infi 90 processor bus performance?\u003c\/p\u003e\n\u003cp\u003eImpedance deviations beyond the 100 Ohm +\/-10 % specification cause signal reflections, resulting in bus communication retry spikes, timing jitter, or module offline faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping or hot-unplugging allowed for the PMKHRMPBA10001 cable?\u003c\/p\u003e\n\u003cp\u003eUnplugging the processor bus cable while the node is powered drops communication instantly and can trigger process trips or module failure states in active DCS racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the dielectric breakdown rating between conductors and internal shielding?\u003c\/p\u003e\n\u003cp\u003eThe cable insulation withstands a maximum continuous galvanic isolation testing level of 500 V RMS conductor-to-screen without breakdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does jacket temperature exposure alter signal transmission velocity?\u003c\/p\u003e\n\u003cp\u003eExceeding the -40 to +80 deg C jacket rating degrades the outer dielectric layer, shifting the nominal 5.2 ns\/m propagation delay and causing frame timing mismatches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat wire gauge size is used for signal transmission in this harness?\u003c\/p\u003e\n\u003cp\u003eThe assembly utilizes 12 conductors laid out as 6 twisted pairs, each constructed from 7\/0.25 mm tinned copper strands equivalent to 19 AWG wire.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow should spare, unused twisted pairs inside the assembly be terminated?\u003c\/p\u003e\n\u003cp\u003eAll 6 pairs in the factory cable assembly are pre-terminated to match the pinout of the Infi 90 PBA connector modules and must not be altered.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this cable be spliced or extended in the field using terminal blocks?\u003c\/p\u003e\n\u003cp\u003eField splicing disrupts the 100 Ohm characteristic impedance and shield continuity, leading to packet loss; continuous single-cable runs must always be used.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat voltage level limits apply to signals carried over this cable?\u003c\/p\u003e\n\u003cp\u003eThe maximum continuous working voltage rating for signal conductors within the harness must not exceed 30 V RMS relative to adjacent conductors or ground.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021111283885,"sku":"PMKHRMPBA10001","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/PHAMSCTER20000.jpg?v=1789278578","url":"https:\/\/www.maxwellplc.com\/ga\/products\/pmkhrmpba10001-abb-process-bus-adaptor-cable-infi-90","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}