{"product_id":"1756-0b16i-allen-bradley-controllogix-16-point-d-o-module","title":"1756-0B16I | Allen Bradley | ControlLogix 16 Point D\/O Module","description":"\u003ch1\u003eAllen-Bradley 1756-OB16I ControlLogix 16 Point Digital Output Module\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OB16I\u003c\/strong\u003e is a ControlLogix digital output module that provides 16 individually isolated sourcing DC outputs for interfacing field devices with a ControlLogix controller. Designed for applications requiring channel-to-channel isolation, the module supports independent output operation, configurable fault behavior, and scheduled output synchronization within the ControlLogix architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"___1vyiefv f1ddd56o f16vktn6 f1ahpp82 f11qra4b f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f10ghnd0 f8fmt76 fjvbh62 f1qrqxae f1vw5qpk fc02sbz fxawf59 fymf513 f1aoyrul f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f1o0pw0q fbjjl9v fk1v6el f16pyhcb f1ixlhx9 f12zef0i flu5r5u f19haqzy f1owmcxx f1oddm8q f1004tna fcoaxci fh0ee9u f15v23i2 f1dmj53 f1r1gcv9 f14z1veh ffufd3x f1ypplot f1660cg\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16 individually isolated outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003e1756 ControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current per Channel\u003c\/td\u003e\n\u003ctd\u003e2 A max at 30 deg C; 1 A max at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Module Current\u003c\/td\u003e\n\u003ctd\u003e8 A max at 30 deg C; 4 A max at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Current per Channel\u003c\/td\u003e\n\u003ctd\u003e4 A for 10 ms, repeatable every 2 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load Current\u003c\/td\u003e\n\u003ctd\u003e1 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum On-State Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e1.2 VDC at 2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Leakage Current\u003c\/td\u003e\n\u003ctd\u003e0.5 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Delay OFF to ON\u003c\/td\u003e\n\u003ctd\u003e1 ms max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Delay ON to OFF\u003c\/td\u003e\n\u003ctd\u003e2 ms max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScheduled Output Synchronization\u003c\/td\u003e\n\u003ctd\u003eWithin 16.7 µs maximum referenced to CST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e350 mA at 5.1 VDC; 2.5 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e1.8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.6 W at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e12.28 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage, Channel-to-Channel\u003c\/td\u003e\n\u003ctd\u003e250 V AC continuous, tested at 2546 VDC for 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage, User-to-System\u003c\/td\u003e\n\u003ctd\u003e250 V AC continuous, tested at 2546 VDC for 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTB Type\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH or 1756-TBS6H, 36-position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e#22 to #14 AWG stranded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTB Screw Torque\u003c\/td\u003e\n\u003ctd\u003e0.4 Nm (4.4 in-lb) max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e2 g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-operating Shock\u003c\/td\u003e\n\u003ctd\u003e50 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIsolated Output Architecture\u003c\/h3\u003e\n\u003cp\u003eEach of the 16 output channels is individually isolated, allowing field circuits to operate independently while reducing the possibility of fault propagation between channels. This design is particularly useful when outputs are connected to loads powered from different field circuits or distributed control panels.\u003c\/p\u003e\n\u003cp\u003eThe module supports a 10-30 VDC output range and is intended for controlling DC devices such as relays, solenoids, contactors, annunciators, and other field-operated equipment.\u003c\/p\u003e\n\u003ch3\u003eOutput Performance\u003c\/h3\u003e\n\u003cp\u003eEach output channel can deliver up to 2 A at ambient temperatures up to 30 deg C. As operating temperature increases, the permissible current is linearly derated to 1 A per channel at 60 deg C.\u003c\/p\u003e\n\u003cp\u003eAt the module level, total output current is limited to 8 A at 30 deg C and 4 A at 60 deg C. Both per-channel and aggregate current limits should be evaluated during system design and load distribution.\u003c\/p\u003e\n\u003ch3\u003eFault Response and Output Behavior\u003c\/h3\u003e\n\u003cp\u003eThe module supports configurable fault handling on a per-point basis. When a fault condition occurs, each channel can be configured to:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHold Last State\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eForce ON\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eForce OFF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe same configurable behavior is available when the controller enters Program Mode. The default setting for both conditions is OFF.\u003c\/p\u003e\n\u003cp\u003eOutput switching performance is suited for discrete control applications, with maximum response times of 1 ms from OFF to ON and 2 ms from ON to OFF.\u003c\/p\u003e\n\u003ch3\u003eWiring and Installation\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OB16I installs directly into a ControlLogix chassis and uses either a 1756-TBCH or 1756-TBS6H 36-position removable terminal block. Supported field wiring sizes range from #22 AWG to #14 AWG stranded conductors.\u003c\/p\u003e\n\u003cp\u003eBackplane keying is software configurable, while terminal block keying is mechanically user-defined, helping reduce wiring and module replacement errors.\u003c\/p\u003e\n\u003ch3\u003eProtection and Isolation Considerations\u003c\/h3\u003e\n\u003cp\u003eThe module does not include reverse-polarity protection. Incorrect field wiring may permanently damage output circuits, making polarity verification important during installation and maintenance.\u003c\/p\u003e\n\u003cp\u003eThe module is also not internally fused. External protection methods may be required depending on the application. Documentation notes that certain fused interface modules may affect product certifications and should be evaluated according to system requirements.\u003c\/p\u003e\n\u003ch3\u003eElectromagnetic Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe module is tested to a range of industrial EMC standards, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCISPR 11 Group 1, Class A emissions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61000-4-2 ESD immunity up to 6 kV contact and 8 kV air discharge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61000-4-3 radiated RF immunity up to 10 V\/m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61000-4-4 EFT immunity up to ±4 kV\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61000-4-5 surge immunity up to ±2 kV common mode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61000-4-6 conducted RF immunity up to 10 Vrms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese characteristics support installation in industrial automation environments where electrical noise and transient conditions are present.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many outputs does the 1756-OB16I provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module provides 16 individually isolated digital output channels, allowing each field circuit to operate independently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum output current per channel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each channel can supply up to 2 A at 30 deg C. The rating is linearly derated to 1 A per channel at 60 deg C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1756-OB16I include reverse-polarity protection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The module does not provide reverse-polarity protection, and incorrect wiring may damage the outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can fault behavior be configured for individual outputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. Each point can be configured to hold its last state, turn ON, or turn OFF during fault conditions or when the controller enters Program Mode.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67760619847754,"sku":"1756-0B16I","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1756-OB32_2_5027bf1e-ee2e-4a8a-bd21-2101de5f3357.jpg?v=1741073902","url":"https:\/\/www.topbrandsplc.com\/products\/1756-0b16i-allen-bradley-controllogix-16-point-d-o-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}