1747-L542 B
1747-L542 B
Manufacturer: ALLEN BRADLEY
Condition: New and Unused, Surplus.
Overview of Allen-Bradley 1747-L542-B SLC 5/04 Processor
The Allen-Bradley 1747-L542-B is a modular SLC 5/04 processor in the SLC 500 programmable controller family. It features 32 KB of user memory that is battery-backed with flash EPROM for program and data retention. The processor supports up to 4096 discrete inputs and outputs, and 480 analog I/O points. It includes integrated Data Highway Plus (DH+) and RS-232 communication ports for interfacing with HMIs, SCADA systems, and other controllers.
Key Features
- 32 KB user memory with battery-backed RAM and flash EPROM backup
- Supports up to 4096 discrete input/output points and 480 analog input/output points
- Fast program scan time of approximately 0.9 ms per 1K instructions
- Fast I/O scan time of approximately 0.225 milliseconds
- Integrated DH+ and RS-232 communication ports
- Standard LEDs for Run, CPU Fault, Battery Low, Forced I/O, DH+, and RS-232 status indication
- Backplane current draw: 1 A at 5 V DC, 175 mA at 24 V DC
- Operating temperature range: 0 to 60 °C (32 to 140 °F)
- Supports up to 3 I/O chassis with a maximum of 30 module slots
- Vibration and shock resistant with adherence to NEMA ICS 2-230 noise immunity standard
Technical Specifications
| Model | 1747-L542-B |
| Series | SLC 5/04 |
| User Memory | 32 KB Battery-backed RAM |
| Discrete I/O Supported | 4096 inputs and 4096 outputs |
| Analog I/O Supported | 480 points |
| Program Scan Time | 0.9 ms per 1K instructions |
| I/O Scan Time | 0.225 milliseconds |
| Communication | DH+, RS-232 serial |
| Backplane Current Load | 1 A at 5 V DC, 175 mA at 24 V DC |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Max I/O Chassis | 3 local chassis (30 slots max) |
| Certifications | NEMA ICS 2-230 noise immunity |
Applications
The 1747-L542-B processor is suitable for medium to large industrial control systems requiring extensive I/O and reliable communication capabilities. It is commonly used in manufacturing automation, process control, and integration with supervisory control systems.
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Warranty
Warranty
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