Industry Trends in Discrete Output Modules
Manufacturing facilities increasingly rely on robust discrete output modules to manage high-current loads in automation systems. The shift toward modular and scalable control architectures drives demand for reliable components that integrate seamlessly into existing platforms. Engineers seek modules that offer both performance and protection to minimize downtime in critical processes.
Introducing the 1746-OBP16 Digital DC Output Module
When high-current switching is required in a SLC 500 system, the Allen-Bradley 1746-OBP16 provides a dependable solution. This digital DC output module features sixteen sourcing channels with a voltage range of 20.4-26.4 Volts DC. It is designed for use in both fixed and modular SLC 500 hardware configurations, offering flexibility for various control panel layouts.
Technical Specifications Analysis
The 1746-OBP16 delivers up to 1.5 or 1 amp per output, with a total module current of 6.4 amps. Its backplane current draw is 250 milliamps at 5 Volts, ensuring efficient power usage within the chassis. The module includes integrated fuse protection, with compatible fuses being Littelfuse #322010,10A or #332010,10A, and a fuse kit part number 1746-F8 containing five fuses.
Step response times are 60 milliseconds on and 2.5 milliseconds off, suitable for applications requiring moderate switching speeds. The module's sourcing configuration and 20.4-26.4 VDC range make it compatible with standard 24 VDC industrial sensors and actuators.
Application Scenarios and Use Cases
In material handling systems, the 1746-OBP16 can control multiple conveyor zones with high-current solenoids, ensuring reliable operation under continuous duty. For packaging machinery, its sixteen outputs manage actuators and indicators, while the integrated fuse protects against short circuits without affecting other channels. The module also suits automotive assembly lines where robust DC output control is essential for tooling and clamping devices.
Compatibility and Integration
The 1746-OBP16 occupies a single slot in any SLC 500 chassis, whether fixed or modular. It integrates with SLC 500 processors and power supplies, communicating via the backplane. Recommended signal wires are a maximum of 2 mm sq. (14 AWG) for reliable connections. The module's automatic fault recovery after power cycle simplifies maintenance, though engineers should account for this in fail-safe system design.
Frequently Asked Questions About the 1746-OBP16
What is the output voltage range of the 1746-OBP16?
The output voltage range is 20.4-26.4 Volts DC in sourcing configuration, as specified in the technical data.
How many outputs does the 1746-OBP16 have?
It has sixteen (16) discrete DC outputs, each capable of handling 1.5 or 1 amp depending on the load.
Does the module include fuse protection?
Yes, the 1746-OBP16 features integrated fuse protection. Compatible replacement fuses are Littelfuse #322010,10A or #332010,10A, and the Allen-Bradley fuse kit part number is 1746-F8.
What is the backplane current draw of this module?
The backplane current draw is 250 milliamps at 5 Volts, ensuring low power consumption within the SLC 500 chassis.
Can the 1746-OBP16 be used in a fixed SLC 500 system?
Yes, it is compatible with both fixed and modular SLC 500 hardware, as stated in the product description.
Company Strength and Supply Assurance
Petro Auto Tech offers genuine Allen-Bradley 1746-OBP16 modules with reliable sourcing and competitive pricing. Our team provides technical support to help you select the right components for your automation needs. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.
