{"product_id":"abb-tu516-1sap212000r0001-i-o-terminal-unit","title":"ABB TU516 1SAP212000R0001 I\/O Terminal Unit","description":"\u003cp\u003eConfigured for signal routing and physical wiring termination in S500 I\/O system platforms, the \u003cstrong\u003eABB TU516 1SAP212000R0001\u003c\/strong\u003e (\u003cstrong\u003eTU516\u003c\/strong\u003e I\/O Terminal Unit) provides direct physical\/electrical execution for analog and 24 VDC digital modules via spring connection terminals. Operating under an IP20 protection rating across ambient temperatures from 0 to +60 deg C, the 0.159 kg base unit anchors modular I\/O expansion modules onto standard DIN rails. The 67.5 mm x 135 mm x 28 mm hardware block establishes direct bus electrical contacts and field power distribution paths for 24 VDC sensor and actuator loops.\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\u003eTU516 (1SAP212000R0001)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eTU516\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\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.159 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e67.5 mm x 135 mm x 28 mm (W x H x D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C (Storage: -40 deg C to +70 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive base unit (24 VDC bus pass-through)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Modules\u003c\/td\u003e\n\u003ctd\u003eS500 analog and 24 VDC digital I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eSpring connection terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Main Type\u003c\/td\u003e\n\u003ctd\u003eDistributed Automation I\/Os\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe terminal base maintains internal bus continuity to preserve backplane bus communication velocity across adjacent S500 expansion slots. High-density spring terminal layouts support maximum I\/O density scaling inside control enclosures by eliminating external distribution blocks for 24 VDC supply lines. Firmware flash compatibility resides within the clipped-in processing module, allowing hot-swap module updates while the passive terminal unit remains wired in the field loop.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the terminal unit require tool-assisted screw tightening for field signal wiring?\u003c\/p\u003e\n\u003cp\u003eA: No, field wiring connects via spring terminals designed for tool-less push-in conductor insertion and vibration-resistant clamping.\u003c\/p\u003e\n\u003cp\u003eQ: Can the terminal unit be replaced without disconnecting field wiring from individual terminals?\u003c\/p\u003e\n\u003cp\u003eA: The passive base unit is permanently wired to field cables; attached active I\/O modules disconnect directly from the front face of the terminal unit without altering field wiring connections.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the terminal unit onto a standard 35 mm DIN rail, verifying that the mechanical locking latch engages fully.\u003c\/li\u003e\n\u003cli\u003eStrip field wire insulation to specified lengths before inserting solid or ferruled conductors directly into the spring terminal points.\u003c\/li\u003e\n\u003cli\u003eDepress the spring actuator tab using a flat-head screwdriver when releasing flexible stranded wire conductors.\u003c\/li\u003e\n\u003cli\u003eMaintain IP20 ingress protection compliance by mounting the unit inside an IP54-rated lockable control enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53227344232757,"sku":"TU516  1SAP212000R0001","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/TU5161SAP212000R0001.png?v=1785390286","url":"https:\/\/www.5gplc.com\/products\/abb-tu516-1sap212000r0001-i-o-terminal-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}