1746-IB16 Advantages
The Allen‑Bradley 1746-IB16 Digital input module stands out from comparable digital input modules in several key areas.
Sixteen-point sinking DC input design. The Allen‑Bradley 1746-IB16 Digital input module provides 16 sinking input channels in a single compact module, supporting high-density discrete signal collection to reduce cabinet space occupation and cut spare part quantity.
Built-in optoelectrical isolation. The Allen‑Bradley 1746-IB16 Digital input module adopts 1500V optical isolation to separate field wiring faults, voltage spikes and interference from the PLC control logic, effectively protecting the SLC‑500 CPU and other backplane modules.
Front-panel channel status LEDs. The Allen‑Bradley 1746-IB16 Digital input module is equipped with independent LED indicators for each channel, allowing technicians to quickly judge on-site switch and sensor status without programming tools.
Native Allen‑Bradley SLC‑500 system integration. As a factory‑original SLC‑500 series component, the Allen‑Bradley 1746-IB16 Digital input module can be directly inserted into any SLC‑500 chassis slot without conversion adapters or mechanical modification.
Wide operating voltage tolerance. The Allen‑Bradley 1746-IB16 Digital input module supports 10–30V DC input, adapting to unstable field 24V DC power supply fluctuation commonly seen in factory environments.
Vibration and shock resistant industrial construction. The Allen‑Bradley 1746-IB16 Digital input module is designed to withstand workshop vibration and mechanical shock, maintaining stable signal reading for long-term continuous operation.
1746-IB16 Applications
Discrete Manufacturing & Assembly Automation Lines. Main discrete signal acquisition module within Allen‑Bradley SLC‑500 PLC systems, collecting signals from proximity sensors, limit switches and photoelectric switches on assembly machinery.
Material Handling & Conveyor Systems. The Allen‑Bradley 1746-IB16 Digital input module receives feedback signals from position sensors, safety switches and jam detectors for conveyor speed control and safety interlock logic.
Water Treatment & Wastewater Control Plants. The Allen‑Bradley 1746-IB16 Digital input module monitors pump running feedback, valve limit position and liquid level switch signals inside water process control cabinets.
Petrochemical & Chemical Processing Facilities. The Allen‑Bradley 1746-IB16 Digital input module serves as discrete signal input hardware for non‑hazardous zone automation cabinets built around Allen‑Bradley SLC‑500 automation hardware.
General Industrial PLC Control Systems. The Allen‑Bradley 1746-IB16 Digital input module serves as original spare digital input module for existing Allen‑Bradley SLC‑500 PLC‑based automation systems.
1746-IB16 Certifications & Compliance
The Allen‑Bradley 1746-IB16 Digital input module holds the following international safety and compliance approvals:
• UL listed — North‑American industrial control equipment safety approval.
• CE certification — European industrial control equipment safety and EMC compliance.
• C-Tick marked — EMC compliance for Australian and New Zealand markets.
• Class I Division 2 certified — Suitable for installation in specified hazardous classified locations.
All modules supplied are 100% new original Allen‑Bradley parts. Every Allen‑Bradley 1746-IB16 Digital input module unit is functionally tested before dispatch, packed in professional anti‑static packaging, and covered by a one‑year warranty from the date of delivery.
