Product Description
The Allen-Bradley 1771-OBDS is a 16-point digital output module that is designed for use with PLC-5 Programmable Logic Controllers. It has a voltage range of 10-60 VDC and can provide up to 2 amps per point or 8 amps total. The 1771-OBDS is a discontinued product, but it is still widely used in many industrial applications.
Product Parameters
- Number of Points: 16
- Voltage Range: 10-60 VDC
- Current Capacity: 2 amps per point, 8 amps total
- Output Type: Sinking
- Isolation Voltage: 1500 VDC
- Dimensions: 12.04 in. x 3.34 in. x 4.93 in. (306 mm x 85 mm x 125 mm)
- Weight: 2.85 lbs. (1.29 kg)
Usage Method
The 1771-OBDS is installed in a PLC-5 chassis and connected to the PLC’s backplane. The output terminals of the module are connected to the field devices that need to be controlled. The module is programmed using the PLC-5 programming software.
Product Applications
The 1771-OBDS can be used to control a wide variety of field devices, such as:
- Motor starters
- Solenoid valves
- Pilot lights
- Annunciators
- Relays
- Contactors
The module is typically used in industrial automation applications, such as:
- Manufacturing
- Food and beverage processing
- Material handling
- Packaging
- Power generation
Discontinuation Notice
The Allen-Bradley 1771-OBDS has been discontinued and is no longer available for sale from Rockwell Automation. However, there are still many third-party vendors that sell new and used 1771-OBDS modules.
If you are considering using the 1771-OBDS in a new project, it is important to be aware that it is a discontinued product. This means that it may be difficult to find spare parts or technical support for the module in the future. Additionally, the 1771-OBDS is not compatible with newer PLC-5 controllers.
If you are using the 1771-OBDS in an existing project, it is important to have a plan for replacing the module in the future. You may want to consider migrating to a newer PLC-5 controller or to a different PLC platform altogether.
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