{"product_id":"yokogawa-aip502-s1-v-net-coupler-module","title":"Yokogawa AIP502 S1 V-Net Coupler Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AIP502 S1\u003c\/strong\u003e (\u003cstrong\u003eAIP502\u003c\/strong\u003e) Coupler Module operates as a dedicated hardware component for V-Net signal coupling and network frame synchronization within Centum control architectures.\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\u003eAIP502 S1\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\u003eSystem dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard V-Net mountable form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eController backplane dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eD611178 (V-Net interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eYokogawa DCS Process Control Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART loop protocol:\u003c\/strong\u003e The AIP502 facilitates the transport of HART-encapsulated data packets across the V-Net control network. It ensures that digital device diagnostics are correctly framed and transmitted between field-mounted I\/O and the supervisory control layer without data truncation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFOUNDATION Fieldbus \/ Profibus PA connectivity:\u003c\/strong\u003e This module acts as the physical bridge for V-Net enabled field control units. It is engineered to maintain deterministic bus arbitration, which is mandatory to ensure that real-time process variables are updated within the strict scan-time requirements of the Centum DCS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-channel isolation:\u003c\/strong\u003e The internal circuitry includes galvanic isolation barriers to decouple the high-speed V-Net interface from the backplane logic. This is mandatory to prevent electrical transients or ground-level fluctuations from propagating through the network segments and corrupting system-wide control signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold junction compensation (CJC):\u003c\/strong\u003e The module assembly is designed for installation in high-density controller cabinets. Its thermal dissipation profile is engineered to prevent localized overheating, ensuring that adjacent modules, which utilize CJC, maintain their reference measurement precision.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the AIP502 S1 be hot-swapped while the V-Net network is live?\u003c\/p\u003e\n\u003cp\u003eA: No. The V-Net bus requires a stable environment for node communication. Removing the module while the network is live will trigger a node-loss fault on the DCS, potentially disrupting control loops linked to that specific segment; perform module replacement only after isolating the associated field control unit.\u003c\/p\u003e\n\u003cp\u003eQ: How does the AIP502 handle frame collisions on the V-Net?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes hardware-level collision detection and re-transmission logic inherent to the V-Net protocol. If frame errors are observed, verify the physical termination of the V-Net cable and ensure that the node address configuration is not causing contention with other modules on the network.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Secure the AIP502 S1 to the designated rail or rack slot. Ensure that the V-Net interface cables are securely connected and strain-relieved, which is mandatory to prevent mechanical tension on the backplane connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Bond the module chassis to the cabinet’s dedicated instrument earth bus. A low-impedance ground connection is mandatory to ensure the efficacy of the electromagnetic shielding and to maintain the signal-to-noise ratio of the V-Net data packets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Keep V-Net signal cabling separated from high-voltage AC power lines by at least 150 mm. This physical isolation is mandatory to prevent inductive noise injection, which is critical for maintaining high-speed packet synchronization on the control network.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45191859306611,"sku":"AIP502 S1","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-09_09-55-13_bf52fa71-6d0a-430e-b5ee-0c9ba6116cb3.png?v=1783568554","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-aip502-s1-v-net-coupler-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}