{"product_id":"allen-bradley-1756-ob16i-output-module","title":"Allen-Bradley 1756-OB16I Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OB16I\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-OB16I\u003c\/strong\u003e Digital Output Module, operates as a dedicated hardware component for high-density discrete actuation within ControlLogix backplane platforms. The hardware establishes electronic switching across 12-24 VDC (10-30 VDC operating range) control loops at up to 2 A per point. Each of the 16 output channels features individual galvanic isolation up to 250 V continuous, preventing electrical noise transfer and ground loops across independent power source circuits.\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\u003e1756-OB16I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.40 lbs (0.18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eControlLogix Single-Slot Standard Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.6 W (Backplane: 350 mA at 5.1 VDC, 2.5 mA at 24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Outputs\u003c\/td\u003e\n\u003ctd\u003e16 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e12-24 VDC (10-30 VDC range) Sink\/Source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V continuous (channel-to-channel isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e2 A per point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Block\u003c\/td\u003e\n\u003ctd\u003eRemovable Terminal Block (36-Pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eControlLogix System Architecture \u0026amp; Backplane Protocol Features\u003c\/h3\u003e\n\u003cp\u003eThe module communicates over the local ControlLogix backplane bus utilizing high-velocity CIP (Common Industrial Protocol) framing. Backplane bus communication velocity guarantees low deterministic latency during field output state updating. High-density I\/O routing protocols ensure synchronous cyclic data transmission to the system controller, matching configured Requested Packet Interval (RPI) rates down to sub-millisecond thresholds. Firmware flash compatibility enables online updates through Studio 5000 Logix Designer without physically dismounting the chassis assembly.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1756-OB16I module be removed or inserted under power (RIUP)?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports Removal and Insertion Under Power (RIUP) within a powered ControlLogix chassis. However, field power connected to the 36-pin Removable Terminal Block (RTB) must be isolated prior to wiring block disconnection to prevent hazardous arc flash or unintended output state toggling.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1756-OB16I support both sourcing and sinking field wiring configurations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, each isolated channel can be individually wired in either a sinking or sourcing topology, provided field voltage remains strictly within the 10-30 VDC operating window and individual channel isolation parameters are respected.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify backplane chassis grounding complies with IEEE 1100 standards; ensure the grounding conductor connects directly to the enclosure single-point star ground using low-impedance copper wire.\u003c\/li\u003e\n\u003cli\u003eSecure the 36-pin Removable Terminal Block (RTB) retaining screws to maintain continuous mechanical locking against chassis vibration profiles.\u003c\/li\u003e\n\u003cli\u003eRoute low-voltage DC output wiring in separate wiring channels away from high-voltage AC cables and variable frequency drive output leads to mitigate inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003eInstall external inductive surge suppression devices (such as flyback diodes) across connected DC inductive loads to protect output switching transistors from high-voltage transients.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48786278056126,"sku":"1756-OB16I","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1756-OB16I_2.png?v=1787710317","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1756-ob16i-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}