Overview
The Allen Bradley 1771-DB is a versatile PLC-5 Basic Module that interfaces between a PLC-5 processor, 1771 backplane, and serial devices. It excels in:
- Basic programming: Uses Intel BASIC-52 language.
- Serial communication: Connects with RS-232, RS-422, or RS-485 devices.
- DH-485 networking: Links with remote SLC processors or devices.
- Timekeeping: Provides real-time and wall clock/calendar functions.
- Program development and storage: Utilizes a terminal or recorder.
Key Features
- Two serial ports: Configurable for different protocols and speeds.
- Real-time clock: Offers 5ms resolution.
- Wall clock/calendar: Provides 1-second resolution.
- Programmable in BASIC-52: Allows extensive programming capabilities.
- Supports various terminals: Facilitates program development and editing.
- Block transfer: Enables communication with other PLC families.
- On-board program PROM burning: Simplifies program storage.
Technical Specifications
- Power supply: Draws power from the PLC-5 backplane.
- Dimensions: Refer to the product datasheet for details.
- Operating temperature: Consult the product datasheet for temperature ranges.
- Compatibility: Works with PLC-5 family processors.
- Supported protocols: Includes RS-232, RS-422, RS-485, and DH-485.
Applications
- Custom applications: Ideal for scenarios requiring BASIC programming and serial communication.
- Data acquisition: Collects data from external devices.
- Process control: Implements simple control algorithms.
- Operator interface: Provides a basic human-machine interface.
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