{"product_id":"yokogawa-ip94-a-communication-modules","title":"Yokogawa IP94-A Communication Modules","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa IP94-A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eIP94-A\u003c\/strong\u003e Communication Module, operates as a dedicated hardware component for serial data exchange and protocol translation within distributed control systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIP94-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e85 mm x 90 mm x 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU, ASCII, Binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 9600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e12-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Loop Performance\u003c\/h3\u003e\n\u003cp\u003eThe unit incorporates robust channel-to-channel isolation architecture to eliminate ground loops and common-mode voltage spikes across serial communication lines. Operating on Modbus RTU, ASCII, and Binary formats up to a data rate of 9600 bps across 8 independent channels, the module ensures strict signal integrity and deterministic packet transmission within industrial process networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the IP94-A module support live hot-swap insertion on active system backplanes? A: Hot-swapping is restricted while terminal power is active; system power must be isolated prior to module installation or removal to prevent bus communication faults.\u003c\/p\u003e\n\u003cp\u003eQ: How should communication cable shields be terminated to mitigate EMI? A: Terminate the shielding drain wire to the designated functional earth ground stud on the cabinet chassis while maintaining continuous outer shield continuity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the unit securely within the designated industrial enclosure observing the IP65 environmental protection rating. Route serial communication cabling separately from high-voltage power conduits and AC distribution lines to avoid electromagnetic induction. Verify power supply voltage levels are maintained within the 12-24 VDC range prior to energizing the module.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52883363070232,"sku":"IP91-A","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/screenshot_2026-09-15_09-43-54_Cocoai_350c6c85-1e81-4136-b1f1-60968a8d9d68.jpg?v=1791943082","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-ip94-a-communication-modules","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}