Allen-Bradley 1756-OF8 High precision analog output module
Specific parameters
Output type: Voltage output is ± 10V DC, current output is 0-20mA.
Resolution: 15 bits.
Accuracy: ± 0.1% of full scale.
Data format: Integer mode (left aligned, complement of 2), IEEE 32-bit floating-point number.
Conversion method: R-ladder DAC, monotonically lossless code.
Open circuit detection: only applicable to current output.
Short circuit detection: The current is electronically limited to 21mA or less.
Overvoltage protection: 24V DC.
Backboard current (5V): 140mAh.
Backboard current (24V): 210mAh.
Size: 2.2 cm x 12.4 cm x 12.6 cm.
Weight: 0.1 kilograms.
Shell: None.
Installation method: Panel installation.
Working voltage: 24V DC.
Working temperature: -20 ° C to+60 ° C.
Storage temperature: -40 ° C to+85 ° C.
Communication interface: ControlNet.
Product Performance
High precision output: With a resolution of 15 bits and an accuracy of ± 0.1% of full scale, it can provide accurate analog output signals, ensuring precise control of industrial processes.
Flexible configuration: Each output channel can be independently configured as voltage output or current output to meet the needs of different devices and applications.
Powerful diagnostic function: Provides comprehensive diagnostic capabilities, including status indicator lights and fault detection functions for each channel, which can quickly identify and solve problems and reduce downtime.
Good compatibility: As part of the ControlLogix series, it can seamlessly integrate with Allen Bradley’s ControlLogix programmable logic controllers and also communicate and collaborate well with other devices that support relevant communication protocols.
High reliability: With a sturdy structural design and advanced anti-interference technology, it can work stably in harsh industrial environments such as high temperature, humidity, dust, electromagnetic interference, etc.
Hot swappable function: Supports live plugging and unplugging, allowing for safe insertion or removal of modules during system operation, facilitating system maintenance and upgrades, and further reducing downtime.
application area
Process control: In industries such as chemical, petroleum, natural gas, and water treatment, it is used to control various actuators, valves, frequency converters, and other equipment to achieve precise control of process variables such as flow rate, pressure, temperature, and liquid level.
Manufacturing automation: In automated production lines such as automobile manufacturing, electronic equipment manufacturing, and food and beverage processing, robots, robotic arms, conveyor belts, packaging equipment, etc. can be controlled to ensure the accuracy and consistency of the production process, improve production efficiency and product quality.
Energy Management: Used as an energy management system in industrial facilities to control and optimize the operation of equipment such as motors, lighting, and air conditioning, achieve rational allocation and utilization of energy, and reduce energy consumption and costs.
HVAC system: In the HVAC system of a building, equipment such as fans, pumps, valves, etc. can be precisely controlled to adjust indoor temperature, humidity, air quality and other environmental parameters, providing a comfortable indoor environment.
Power system: used for generator speed control, substation reactive power compensation control, power load control, and other aspects in the power system to ensure the stable operation and power quality of the power system.













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