1746-OVP16 Allen-Bradley SLC 500 Output Module
Product Introduction 1746-OVP16
The Allen-Bradley 1746-OVP16 is a digital DC output module that forms an integral part of the SLC 500 control system. Specifically, this module provides 16 sinking outputs with a voltage range of 20.4 to 26.4V DC, making it suitable for controlling various DC loads. Its high-current design supports up to 1.5A per output, and it includes protective features like fused commons and LED fault indicators. Consequently, the 1746-OVP16 offers a dependable and easily diagnosable solution for discrete output control in automation systems.
Technical Specifications 1746-OVP16
The 1746-OVP16 module delivers robust output performance with clearly defined electrical parameters. It features a backplane current draw of 250 mA at 5V DC and operates with a maximum thermal dissipation of 6.26 W. Furthermore, the continuous current per output is rated at 1.5A at 30°C, while the maximum surge current per point reaches 4A for 10 ms. The module also exhibits a maximum On-state voltage drop of just 1V at 1A, ensuring efficient power delivery to connected loads.
Key Electrical Specifications:
Voltage Range: 20.4 – 26.4 Volts DC (Sink)
Number of Outputs: 16 (with 16 common points)
Backplane Current (5V): 250 milliamps
Current per Output: 1.5A (continuous)
Current per Module: 6.4 amps (maximum)
Off-state Leakage: 1 mA (maximum)
Step Response: 60 ms in, 2.5 ms out
Protective Features and Diagnostics
This module incorporates several features to enhance system reliability and simplify troubleshooting. For instance, it includes a fused common for each output group, and a dedicated blown fuse LED indicator illuminates when a fuse needs replacement. Additionally, a processor error LED provides visual confirmation if the processor loses communication, automatically turning off all outputs for safety. The front panel also features individual LED indicators for each output point, allowing operators to quickly verify the status of all 16 channels.
Mechanical and Environmental Specifications
The Allen-Bradley 1746-OVP16 is built to withstand typical industrial environments. It operates reliably within a temperature range of 0 to 60 °C and can endure an operating shock of 30g. Moreover, it features color-coded removable terminal blocks (RTBs) that simplify wiring and maintenance. The module is designed for installation in a clean, dry location, ensuring long-term performance.
Regarding electromagnetic compatibility, the 1746-OVP16 offers radiated RF immunity of 10 V/m with 1 kHz sine-wave 80% AM from 30-2000 MHz, and 1 V/m from 2000-2700 MHz. This robust immunity helps prevent false triggering and ensures stable operation in electrically noisy environments.
Installation Guidelines
Proper installation is essential for maximizing the performance and lifespan of the 1746-OVP16.
Rack Placement: First, insert the module into any available slot in the SLC 500 chassis. Ensure the chassis is powered off during installation.
Wiring: Next, use the color-coded removable terminal blocks to connect field devices. Pay careful attention to the sink/source wiring configuration.
Fusing: Then, verify that the appropriate fuses are installed for each common to protect against overcurrent conditions.
Status Check: Finally, apply power and observe the LED indicators to confirm proper communication and output status.
Packaging List
Your shipment of the Allen-Bradley 1746-OVP16 will include the following items:
1 x Digital DC Output Module
1 x Removable Terminal Block (RTB)
1 x Installation Instructions manual
Frequently Asked Questions (FAQ)
1. What is the output current rating for each point on the 1746-OVP16 module?
Each output point on the Allen-Bradley 1746-OVP16 is rated for 1.5A continuous current at 30°C, with a surge capacity of 4A for 10 ms.
2. Does the 1746-OVP16 include any diagnostic indicators?
Yes, it does. The 1746-OVP16 features LED status indicators for each output point, a blown fuse indicator, and a processor error LED for comprehensive diagnostics.
3. What is the voltage range for the 1746-OVP16 output module?
The operating voltage range for the Allen-Bradley 1746-OVP16 is 20.4 to 26.4V DC, making it suitable for standard 24V DC sinking output applications.
4. How many outputs does the Allen-Bradley 1746-OVP16 provide?
This module provides a total of 16 digital DC sinking outputs, each with its own common point for flexible wiring configurations.
5. What shipping carriers do you use for the 1746-OVP16?
We ship this product using reliable global carriers such as FedEx, UPS, and DHL to ensure safe and timely delivery.