{"product_id":"allen-bradley-1756-ob32-controllogix-dc-output-module-32-points","title":"Allen-Bradley 1756-OB32 ControlLogix DC Output Module, 32 Points","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-OB32 is a high-density ControlLogix DC output module designed to drive discrete output devices such as pilot lamps, relays, contactors, solenoids, and annunciators. It provides reliable ON\/OFF control and is ideal for applications where space is limited, as it occupies a single slot in a local or remote ControlLogix chassis.\u003c\/p\u003e\u003cp\u003eThis module operates at a voltage category of 12\/24V DC with an operating voltage range of 10-31.2V DC. It features 32 output points arranged in two groups of eight channels, each with individual configuration and output forcing capabilities. The front panel includes 32 LED indicators for real-time channel status monitoring, simplifying troubleshooting.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eKey performance parameters for the Allen-Bradley 1756-OB32 ensure dependable operation in demanding industrial environments:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e32-Point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDC Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12-24 Volts DC Source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-31.2 Volts DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Delay Time, OFF to ON\u003c\/td\u003e\n\u003ctd\u003e60 µs nom \/ 1 ms max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Delay Time, ON to OFF\u003c\/td\u003e\n\u003ctd\u003e200 µs nom \/ 1 ms max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent per Point\u003c\/td\u003e\n\u003ctd\u003e0.5 A @ 50 °C, 0.35 A @ 60 °C (linear derating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent per Module\u003c\/td\u003e\n\u003ctd\u003e16 A @ 50 °C, 10 A @ 60 °C (linear derating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (Max)\u003c\/td\u003e\n\u003ctd\u003e4.8 Watts @ 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 5 Volts\u003c\/td\u003e\n\u003ctd\u003e300 milliamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 Volts Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThese specifications allow the 1756-OB32 to handle moderate current loads while maintaining fast response times, making it suitable for high-speed switching applications.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThanks to its compact design and high output density, the Allen-Bradley 1756-OB32 is widely used in manufacturing, material handling, and process control systems. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eControlling motor contactors and starters in conveyor systems.\u003c\/li\u003e\n\u003cli\u003eDriving indicator lamps and panel annunciators in control cabinets.\u003c\/li\u003e\n\u003cli\u003eActuating solenoids and valves in automated assembly lines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith 32 outputs in a single slot, this module maximizes I\/O capacity without expanding the chassis, reducing both footprint and cost.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eMount the Allen-Bradley 1756-OB32 directly into any ControlLogix local or remote chassis. Ensure the chassis is properly grounded and the power supply is connected before installing the module. The module requires a Removable Terminal Block (RTB) for field wiring; use either the 1756-TBCH (cage clamp) or 1756-TBS6H (spring clamp) RTB. For fuse protection, a 5x20mm 800 mA fuse (Littelfuse p\/n SP001.1003 or Schurter p\/n 216.800) is recommended. After installation, verify that the module is securely seated and the RTB is locked in place.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine maintenance of the 1756-OB32 is minimal. Periodically inspect the RTB connections for tightness and check the LED indicators for any anomalies. The module operates within a temperature range of 0 to 60 °C, so ensure adequate ventilation in the enclosure. The use of high-quality fuses and proper wiring practices will enhance long-term reliability and reduce downtime.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-OB32 is compatible with all ControlLogix processors, including the latest versions. It supports multiple communication formats, including scheduled output data, output data, rack optimization, listen-only rack optimization, and listen-only output data. You can configure per-point fault and program mode states (Hold Last State, On, or Off) to suit your application needs.\u003c\/p\u003e\u003ch2\u003eBuying Guide\u003c\/h2\u003e\u003cp\u003eWhen purchasing the Allen-Bradley 1756-OB32, verify the exact part number and ensure you have the correct RTB (1756-TBCH or 1756-TBS6H) for your wiring preferences. The module is a sourcing output type, so it is not suitable for sinking applications. For genuine automation spares and reliable service, consider PLC Source PRO as your trusted supplier.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44435447152739,"sku":"1756-OB32","price":212.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_97264a47-b19c-4f0a-8da9-02f83abb7c93.jpg?v=1785788990","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1756-ob32-controllogix-dc-output-module-32-points","provider":"PLC Source PRO","version":"1.0","type":"link"}