{"product_id":"yokogawa-s9129fa-centum-vp-relay-output-module","title":"Yokogawa S9129FA CENTUM VP Relay Output Module","description":"\u003ch2\u003eYokogawa S9129FA Relay Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa S9129FA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eS9129FA\u003c\/strong\u003e Relay Output Module, operates as a dedicated hardware component for converting electronic control signals into mechanical relay outputs within Yokogawa CENTUM VP and ProSafe-RS platforms.\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\u003eS9129FA (HHR-11F2A1)\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\u003e2.0 to 2.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130.0 mm x 107.0 mm x 32.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 to 20 W (all relays energized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC +\/- 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Contact Rating\u003c\/td\u003e\n\u003ctd\u003e5 A at 250 VAC \/ 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003eEnergize \u0026lt;= 12 ms, De-energize \u0026lt;= 8 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kV AC (field-to-case), 500 VAC (power-to-case)\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 Process Control Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe module utilizes galvanic isolation barriers to decouple internal processing circuits from external field wiring loops. By maintaining isolation up to 2 kV AC between field contact terminals and system backplane logic, the assembly prevents electrical surges, common-mode noise, and ground loop interference from entering the main DCS rack. Dedicated LED status indicators on each output channel provide continuous real-time monitoring of relay coil excitation, allowing engineers to verify physical switching execution during automated control sequences.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle high inductive voltage spikes during relay de-energization?\u003c\/p\u003e\n\u003cp\u003eA: When driving inductive field loads such as solenoids or motor starters, engineers must install external suppressors across field devices to prevent contact arcing and maintain specified contact lifecycle ratings.\u003c\/p\u003e\n\u003cp\u003eQ: What power bus parameters are required to maintain full channel energization?\u003c\/p\u003e\n\u003cp\u003eA: The system requires a regulated 24 VDC external power supply rated within +\/- 10% tolerance, capable of supplying up to 20 W continuously when all channels are simultaneously energized.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the unit securely into the designated subrack assembly using guide rails to ensure proper engagement of rear backplane connectors. Hand-tighten top and bottom panel mounting hardware to establish continuous metallic chassis grounding.\u003c\/p\u003e\n\u003cp\u003eRoute field wiring bundles through dedicated cable trays separated from primary AC supply wiring. Verify all field connections do not exceed the max switching threshold of 5 A per contact, and attach an external earth ground conductor directly to the cabinet ground bar using a low-impedance connection.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43816592179290,"sku":"HHR-11F2A1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/778..jpg?v=1786333003","url":"https:\/\/www.spareoil.com\/products\/yokogawa-s9129fa-centum-vp-relay-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}