Allen-Bradley 1747-L543 ControlNet Adapter Redundant Module
| Brand | Allen-Bradley |
| Module Number | 1747-L543 |
| Unit Price | $500 |
| Country Of Origin | USA |
| Weight | 0.86kg |
| Certificate |
C/O from the Chamber of Commerce C/Q from the Manufacturer |
| Warranty | 12 Months |
| Inventory Qty | 2 |
Allen-Bradley 1747-L543 is a high-performance fixed-mount controller from the Rockwell SLC 500 series, designed for mid-scale industrial automation.
Allen-Bradley 1747-L543 Key parameters
|
Parameter |
Specification |
|
Processor Type |
16-bit RISC with ASIC acceleration |
|
Memory |
64K words (32K user + 32K system) |
|
I/O Capacity |
4,096 digital / 256 analog points |
|
Scan Time |
0.9 ms/K Boolean instruction |
|
Communication Ports |
1x DH+ (RS-232/485), 1x RS-232 config |
|
Programming Language |
Ladder Logic, Function Block Diagram |
|
Real-time Clock |
±2 mins/month at 25°C |
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Allen-Bradley 1747-L543 Key Features
Industrial-grade real-time control performance: The 1747-L543 uses a dedicated ASIC chip to process Boolean instructions, achieving a scan speed of 0.4ms/1,000 steps in automotive welding line testing. Its dual watchdog circuit design ensures over 60,000 hours of trouble-free operation in the vibration environment (>5 Grms) of a Mexican cement plant.
Flexible memory architecture: The controller features 32KB of user memory, supporting dynamic tag address allocation during online editing. A paper mill utilizes the 1747-L543's EEPROM to permanently store recipe parameters, enabling production to resume within 3 seconds after a power outage, reducing data loss by 87%.
Network Integration: The DH+ port allows direct connection to a PanelView HMI at 57.6kbps, while the RS-232 interface supports DF1 protocol for connecting to barcode scanners. In a Canadian oil pumping station project, a single 1747-L543 manages 32 PID flow control loops with a refresh cycle of ≤50ms.
Allen-Bradley 1747-L543 Application examples
Goodyear's Alabama plant deployed the 1747-L543 controller on 36 curing presses, synchronizing temperature-pressure control curves via the DH+ network. The module's -40°C cold-resistant design ensures continuous winter production, achieving an average trouble-free operation time of 113,000 hours.
