Description
Allen Bradley 1747-L542 SLC 5/04 Modular Processor Unit
The 1747-L542 processor handles everything from conveyor belt control in automotive plants to temperature regulation in food processing facilities. Got a customer in Ohio using it for pharmaceutical packaging lines – they reported 20% faster changeovers after upgrading from older SLC models.
| Specification | Details |
|---|---|
| Brand | Allen Bradley |
| Model | 1747-L542 |
| Memory | 32 KB Flash |
| Ports | DH+ & RS-232 |
| Dimensions | 145x35x142mm |
| Operating Temp | 0-60°C |
| Certifications | CE, UL, cUL, GOST |


Common setups include pairing with 1746-IA16 input modules for packaging lines or 1746-OW16 output cards in HVAC systems. Recently helped a mining operation integrate this with their legacy 1771 I/O through a 1747-SN scanner module – saved them $15k on hardware upgrades.
Our service:
1-year warranty with full functional testing before shipment
85% of orders ship same-day from our Shanghai warehouse
Need specific firmware versions? We can source from 16 global suppliers
WhatsApp for urgent requests or email technical specs
Guizhou Yuanmiao Automation Equipment Co., Ltd. – Your trusted source for obsolete and current control systems since 2010. We’ve moved 3,400+ SLC processors in the past year alone, including special builds for hazardous environments.









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