{"product_id":"plc-digital-output-modules-allen-bradley-1756-ob16iefs","title":"PLC Digital Output Modules | Allen-Bradley 1756-OB16IEFS","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OB16IEFS\u003c\/strong\u003e is a high-performance ControlLogix digital output module featuring 16 individually isolated, electronically protected DC output channels. Operating across a flexible 10 to 30 VDC voltage range, it supports sinking and sourcing output configurations alongside scheduled timestamps for high-speed motion control, packaging, and high-precision event execution.\u003c\/p\u003e\n\u003ch3\u003eScheduled Execution and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eDesigned for time-critical industrial applications, the module supports scheduled output data execution synchronized with the system CIP Motion or CIP Sync clock. This allows output channels to turn on or off at precise microsecond-level timestamps rather than waiting for controller scan cycles.\u003c\/p\u003e\n\u003cp\u003eEach of the 16 output points features channel-to-channel electrical isolation, preventing ground loops and cross-channel interference. Integrated electronic protection safeguards output channels against overcurrent conditions, short circuits, and thermal overloads without requiring physical inline fuses.\u003c\/p\u003e\n\u003ch3\u003eBackplane Integration and Wiring Accessories\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OB16IEFS installs into any standard ControlLogix 1756 chassis slot, leveraging producer\/consumer communications for fast diagnostic status reporting, wire-off detection, and individual point fault messaging back to the controller.\u003c\/p\u003e\n\u003cp\u003eField signals require a 36-pin Removable Terminal Block (RTB) housing, such as the 1756-TBCH (cage clamp) or 1756-TBS6H (spring clamp). RTBs allow complete wiring harnesses to be disconnected during maintenance without removing individual channel connections.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\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-OB16IEFS\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\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eScheduled Fast DC Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e16 Individually Isolated Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e12\/24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Circuit Topology\u003c\/td\u003e\n\u003ctd\u003eSinking and Sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercurrent Protection\u003c\/td\u003e\n\u003ctd\u003eElectronic Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExecution Mode\u003c\/td\u003e\n\u003ctd\u003eScheduled and Immediate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible RTBs\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chassis\u003c\/td\u003e\n\u003ctd\u003eControlLogix 1756 Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 lbs (0.34 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\n\u003cp\u003eQ: What is the main difference between the 1756-OB16IEFS and standard ControlLogix output modules? A: The 1756-OB16IEFS provides high-speed scheduled output switching tied to precise system timestamps, along with individual channel-to-channel isolation and integrated electronic overcurrent protection.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1756-OB16IEFS module be wired for both sinking and sourcing loads? A: Yes, the module supports flexible 12\/24 VDC sinking and sourcing topologies across its 16 isolated output points depending on field wiring configurations.\u003c\/p\u003e\n\u003cp\u003eQ: Is a removable terminal block included with the 1756-OB16IEFS module? A: No, 36-pin terminal block assemblies such as the 1756-TBCH or 1756-TBS6H must be ordered separately.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67106016526451,"sku":"1756-OB16IEFS","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/1756-OB16E1_Cocoai_667d0599-a87a-44cf-b39f-ce77934e23f4.jpg?v=1793779269","url":"https:\/\/www.dcssupplier.com\/products\/plc-digital-output-modules-allen-bradley-1756-ob16iefs","provider":"DcsSupplier Limited","version":"1.0","type":"link"}