ALLEN BRADLEY 1771-DB
Description
Allen Bradley 1771-DB Basic Module - PLC, Occupies one slot in the 1771 I/O chassis and runs user-written BASIC and C programs
Part Number
1771-DB
Price
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Manufacturer
ALLEN BRADLEY
Lead Time
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Category
PROGRAMMABLE CONTROLLERS
Specifications
Backplane current load
0.75 A - with a DH-485 Interface/Converter (1747-PIC) connected to the DH-485 port, 0.65 A - without a device connected to the DH-485 port
Certifications
UL, CSA Class I Div 2 Hazardous, CE
Communication rates
300, 600, 1200, 2400, 4800, 9600 or 19.2 kbit/s
Communication rates versus distance in feet
RS-232-C: 300…19.2 Kbps: 15 m (50 ft) RS-422: 300…19.2 Kbps: 1230 m (4,000 ft) RS-485: 300…19.2 Kbps: 1230 m (4,000 ft)
Indicators
8 defined indicators, 2 user-defined indicators
Isolation
500V DC from port-to-port and port-to-backplane
Real-time clock
Resolution 10 ms; better than 0.1% accuracy
Time-of-day clock accuracy
Resolution 1s; ±1 minuten/month @ 25 °C +0, -6 minute @ 60 °C
Features
- Block-transfer capability minimizes user programming by allowing the module to transfer entire files of data back and forth between the module’s memory and the processor’s data table.
- The module has two ports configurable for RS-232, -422, or -485 communication. The third port is for DH-485 communication or programming.
- The module supports BASIC commands and statements, and an additional 128 calls specific to the BASIC Module.
Frequently asked questions
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Why buy from GID?
Quality
We are industry veterans who take pride in our work
Protection
Avoid the dangers of risky trading in the gray market
Access
Our network of suppliers is ready and at your disposal
Savings
Maintain legacy systems to prevent costly downtime
Speed
Time is of the essence, and we are respectful of yours
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