{"product_id":"abb-dsta-170-57120001-fc-connection-unit","title":"ABB DSTA 170 57120001-FC Connection Unit","description":"\u003cp\u003eThe \u003cstrong\u003eABB DSTA 170 57120001-FC\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDSTA 170\u003c\/strong\u003e Connection Unit, operates as a dedicated hardware component for field wiring termination and signal routing to analog output modules within ABB control system racks. The physical assembly converts backplane signals into screw-terminal routing pathways, securing continuous loop continuity for analog control outputs. Internal traces route analog voltage and current loops directly between the host controller output module and field actuator terminal blocks.\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\u003eDSTA 170 57120001-FC\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\u003e0.185 kg (0.41 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e90 mm x 157.5 mm x 31.5 mm (3.54 in x 6.20 in x 1.24 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive pass-through assembly (no active backplane power draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Type\u003c\/td\u003e\n\u003ctd\u003eConnection Unit for Analog Output Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExchange Part Number\u003c\/td\u003e\n\u003ctd\u003eEXC57120001-FC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Compliance\u003c\/td\u003e\n\u003ctd\u003eExempted from scope of 2011\/65\/EU (RoHS); WEEE Category 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Signal Integrity and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe DSTA 170 connection unit establishes direct physical execution for high-density analog output channels without adding transmission propagation delay or loop noise. Through optimized PCB trace layout and ground plane routing, the board prevents channel-to-channel crosstalk across high-density backplane bus lines. Firmware flash compatibility on connected primary controller cards ensures transparent signal mapping through the unit, sustaining deterministic analog update cycles under varying load conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the DSTA 170 connection unit require an external power supply to operate?\u003c\/p\u003e\n\u003cp\u003eA: No. The DSTA 170 functions as a passive interface unit, routing analog signals and drive power directly from the host analog output card to field devices.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions should be taken when replacing a DSTA 170 unit in a live panel?\u003c\/p\u003e\n\u003cp\u003eA: Field loop power connected to the terminal blocks should be isolated prior to disconnection to prevent accidental short circuits or current spikes to the host analog output module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the DSTA 170 assembly for physical damage and ensure all terminal screws are backed out before inserting conductor wires.\u003c\/li\u003e\n\u003cli\u003eMount the connection unit firmly onto the designated sub-rack or carrier frame inside the enclosure using standard mounting hardware.\u003c\/li\u003e\n\u003cli\u003eStrip field wiring insulation to 6 mm to 8 mm. Insert conductors into the appropriate terminal points and torque screw clamps to 0.5 Nm.\u003c\/li\u003e\n\u003cli\u003eVerify that signal cable shielding is grounded at a single earth point near the enclosure entry gland to prevent ground loop currents across analog outputs.\u003c\/li\u003e\n\u003cli\u003eConfirm mechanical alignment of the multi-pin connector prior to mating with the ribbon cable or backplane connection of the analog output module.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53224306704693,"sku":"DSTA 170 57120001-FC","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/57120001-FCDSTA170.png?v=1785303940","url":"https:\/\/www.5gplc.com\/products\/abb-dsta-170-57120001-fc-connection-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}