1747-L541 Allen-Bradley SLC 5/04 Processor | New & Original Stock

1747-L541 Allen-Bradley SLC 5/04 Processor | New & Original Stock

Availability: 20 left in stock

Allen-Bradley 1747-L541 SLC 500 Processor Module The Allen-Bradley 1747-L541, also cataloged as the 1747-L541 Processor Module, operates as a dedicated...

SKU: 1747-L541

Manufacturer: Allen Bradley
Product No.: 1747-L541
Product Type: CPU Processors
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1747-L541 SLC 500 Processor Module

The Allen-Bradley 1747-L541, also cataloged as the 1747-L541 Processor Module, operates as a dedicated hardware component for control, memory, and communication functions within SLC 500 platforms.

Hardware Specifications

Parameter	Specification
Model	1747-L541
Brand	Allen-Bradley
Origin	United States
Weight	0.99 lbs (0.45 kg)
Dimensions	140 mm x 74 mm x 145 mm (5.5 in x 2.9 in x 5.7 in)
Operating Temp	0 deg C to +60 deg C
Power Consumption	Backplane Current Draw: 1.0 A @ 5 VDC, 0.025 A @ 24 VDC
Controller Type	SLC 5/04
User Memory	16K Words
Non-Volatile Storage	Flash EEPROM
Maximum Digital I/O Capacity	8192 points max
Program Execution Speed	0.9 ms/K
Max Local Chassis Slots	30 slots max / 3 local chassis
Communication Ports	1 x DH+ (Data Highway Plus), 1 x RS-232 serial
Backplane Bus	SLC backplane bus

Profinet / EtherNet/IP Deterministic Networks and Base Integration

The Allen-Bradley 1747-L541 execution architecture relies on synchronized backplane cycles to coordinate peripheral module states. While native communications are executed via DH+ and RS-232 serial links, bridging modules can be integrated into the chassis to establish data mapping loops over Profinet / EtherNet/IP deterministic networks. The processor's 0.9 ms/K ladder logic execution time maintains predictable cyclic processing, ensuring high-speed internal bus transfers match the transmission rates required by external master networks without causing packet buffer overflows.

Frequently Asked Questions

Q: What are the memory constraints when developing runtime routines for the 1747-L541?

A: The processor features 16K Words of user memory stored in battery-backed RAM. Long-term non-volatile data backup must be committed to the integrated Flash EEPROM using RSLogix 500 programming software to prevent data loss upon complete depletion of the backup battery.

Q: Can this processor module be inserted or extracted from the rack while the backplane is powered?

A: No. The SLC 5/04 hardware platform lacks hot-swap support. Completely isolate input power to the chassis power supply before module insertion or extraction to prevent corruption of memory registers or hardware damage to the backplane transceiver logic.

Field Installation Guidelines

Chassis Positioning: Always install the processor module into the leftmost slot (Slot 0) of the primary 1746 mounting chassis. Ensure the retention latches firmly engage the chassis frame to maintain uniform backplane bus continuity.
Network Media Termination: When deploying the DH+ network port, utilize standard twinaxial cable and ensure proper 3-pin phoenix plug seating. Terminal nodes on the link must be terminated with the appropriate resistance value to minimize signal reflections.
Grounding Requirements: Confirm that the chassis housing the 1747-L541 module has a low-impedance connection directly to the main industrial earth ground bus to suppress high-frequency noise and electromagnetic interference (EMI).
Thermal Management Clearances: Verify that adjacent wiring ducts and peripheral components do not block convective vertical airflow across the chassis ventilation slots, keeping ambient conditions below the upper operating limit of +60 deg C.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.