1756-OB16E is a digital output module in the Allen Bradley ControlLogix series, designed specifically for industrial automation control systems. It features high-speed output, flexible configuration, and high reliability. This module has 16 digital output channels and supports 24V DC source output. The maximum output current per channel is 200mA, suitable for driving DC loads such as solenoid valves, indicator lights, etc. Its input part includes a 10 point leakage type DC input with a voltage range of 19.2-31.2V DC, enhancing the flexibility of signal acquisition.
The 1756-OB16E has a built-in Ethernet communication interface that supports EtherNet/IP protocol. It can seamlessly integrate with PLC, HMI, and other control systems to achieve high-speed data transmission and remote monitoring. The module adopts a modular design, with a compact size, easy installation, and support for hot plugging function, making it easy to maintain and expand the system. In addition, the module has excellent environmental adaptability, with a working temperature range covering 0 ° C to 60 ° C (some configurations support -40 ° C to+100 ° C), and a storage temperature range of -40 ° C to 85 ° C, capable of handling extreme industrial environments.
In terms of functional safety, each output channel of 1756-OB16E is equipped with an electronic fuse to provide overload protection, and a built-in fault diagnosis mechanism can monitor the channel status in real time and send alarm information to the controller in a timely manner when a fault occurs. The front-end of the module is equipped with LED indicator lights, which intuitively display the working status and fault information, improving the maintainability of the system.
1756-OB16E is widely used in fields such as manufacturing automation, process control, and intelligent buildings. In the manufacturing industry, it is used to control the start stop and status indication of production line equipment; In the field of process control, it manages the actions of actuators such as valves and pumps; In smart buildings, it is responsible for the intelligent control of lighting, air conditioning and other systems.
In addition, the 1756-OB16E supports programming and configuration through Studio 5000 Logix Designer software, compatible with multiple programming languages such as ladder diagrams and functional block diagrams, reducing development difficulty. Its high reliability, flexible scalability, and rich communication interfaces make it a core component for digital output in the field of industrial automation, helping enterprises improve production efficiency and system stability.
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Technical parameters: Collect detailed information such as electrical specifications, performance indicators, interface types, etc. of the product.
Functional characteristics: Explore the unique features, advantages, and differences of the product from other products.
Application scenarios: Understand which industries or fields the product is suitable for, as well as the specific applications in these scenarios.
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According to the collected information, 1756-OB16E is a digital output module in the Rockwell Automation (Allen Bradley) ControlLogix series. The following is a detailed description and analysis of it:
Product Overview:
The 1756-OB16E belongs to the ControlLogix series, which is renowned for its high performance, scalability, and flexibility, and is widely used in various industrial automation control scenarios.
The "1756" in the model indicates that it belongs to the ControlLogix series products, "OB" indicates that it is a digital output block module, "16" indicates that the module has 16 digital output channels, and "E" usually represents specific electrical characteristics or configuration options, such as electronic output mode.
Technical parameters:
Input section: It has a 10 point leakage type DC input, with a typical input voltage of 24V DC and a voltage range of 19.2-31.2V. When the input is 0, the maximum input current is 1.5mA.
Output section: It has a 6-point source DC output (also known as 16 digital output channels, which may vary depending on the version or configuration and require further verification), with a maximum output current of 200mA per point.
Terminal block: The recommended terminal block models are 1794-TB3 or 1794-TB3S.
Ethernet communication: This module communicates with external devices through Ethernet interfaces, allowing for easy data transmission and exchange with PLCs (Programmable Logic Controllers) or other control systems.
Working voltage: 24V DC.
Working environment: The working temperature range covers from 0 ° C to 60 ° C (there are also claims of -40 ° C to+100 ° C, which may require further verification due to differences in data from different sources), and the storage temperature range is from -40 ° C to 85 ° C, which can cope with extreme industrial environments.
Functional features:
High speed output capability: With the characteristic of fast response, it can quickly convert the digital signals of the controller into actual output actions, ensuring timely control of on-site equipment by the control system.
Multiple output types supported: Although the specific output types may vary depending on the version or configuration, they generally support methods such as transistor output, which are suitable for driving different types of loads, such as DC loads.
Flexible channel configuration: Each output channel can usually be independently configured with parameters, and users can set each channel separately according to their actual application needs, such as setting output voltage, current limits, etc.
Fault diagnosis and protection function: Built in comprehensive fault diagnosis mechanism, capable of real-time monitoring of the working status of each output channel. Once a channel malfunctions (such as short circuit, overload, etc.), the module will promptly send fault information to the controller, and may also have certain protective measures (such as automatically cutting off the faulty channel, etc.).
Modular design: Adopting modular design, it is compact in size, low in cost, and easy to install.
Application scenarios:
Suitable for industrial automation systems, it can be used to connect various input devices (such as buttons, sensors, contacts, travel switches, etc.) and output devices (such as actuators, motors, etc.).
In manufacturing automation, it is used to control various equipment on the production line, such as the start and stop of motors, the on/off control of indicator lights, and the switching of relays.
In the field of process control, it can be used to control valve opening and closing, pump start and stop, and achieve precise control and monitoring of the production process.
In intelligent building automation, it can be used to control the operation status of lighting systems, air conditioning systems, elevators and other equipment.
Reliability:
By adopting technologies such as optoelectronic coupling circuits, electromagnetic compatibility (EMC) and reliability have been improved, ensuring stable operation in harsh industrial environments.
Other information:
The module supports communication with other devices through Ethernet, enabling remote monitoring and control.
Each output channel is equipped with electronic fuses to provide overload protection.
The front end of the module is equipped with LED indicator lights to indicate the working status and fault information of the module.
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