​1.Product Overview​

The ​Allen-Bradley 1794-0B16P FLEX I/O™ 24V DC Sourcing Input Module​ delivers high-density discrete signal acquisition for harsh industrial environments. Designed for Rockwell’s distributed FLEX platform, this 16-channel module features ​IP67-rated epoxy encapsulation​ (–40°C to +70°C), resisting high-pressure washdowns, oils, and corrosive chemicals. It supports ​24V DC sourcing inputs​ (current flows from sensor to module) with ​1.5kV integrated surge suppression​ per channel. Each point includes ​optical isolation​ (500V AC continuous) and ​dual-color LED diagnostics​ (green=ON/red=fault). Tool-less ​1794-TB3/B push-lock terminals​ accelerate wiring, while Studio 5000® enables per-channel filtering (0.1–16ms) for noise immunity. Ideal for interfacing proximity sensors, push buttons, and safety switches.

​2.Critical Technical Specifications​

​Key performance parameters:

• ​Input Voltage: 10–30V DC (ON-state min. 15V DC @ 6mA)
• ​Input Type: Sourcing (PNP)
• ​Isolation: 500V AC field-to-backplane (IEC 61131-2 reinforced)
• ​Response Time: ≤1ms ON/OFF (software-adjustable filtering)
• ​Surge Protection: 1.5kV per channel (IEC 61000-4-5)
• ​Power Consumption: 85mA @ 5V DC backplane; 0.45W per channel
• ​Wire Gauge: 0.5–2.5mm² (20–14 AWG) via screwless terminals
• ​Certifications: UL 61010-1, ATEX II 3G, IECEx, SIL 2 (IEC 61508)
• ​EMC: EN 61326-3-1 (4kV ESD/10V/m RF immunity), EN 61000-4-4 (EFT 4kV)

​3.Targeted Applications​

​Robust sensing in extreme conditions:

• ​Automotive Welding Lines: Robotic tool position verification in IP67 workcells
• ​Food Packaging: Washdown-rated proximity sensors for fillers (EHEDG/3-A compliant)
• ​Material Handling: Conveyor jam detection with vibration tolerance (5g @ 55Hz IEC 60068-2-6)
• ​Water Treatment: Corrosion-resistant float switch monitoring in flood zones
• ​Pharmaceuticals: Cleanroom door interlocks with 21 CFR Part 11 audit trails
• ​Mining: Explosion-protected limit switches (ATEX Zone 21)
• ​AGVs: Navigation sensor inputs in dusty warehouse environments

4.​Competitive Advantages​

​Operational superiorities:

• ​Space Efficiency: 16 inputs in 35mm width (highest density in class)
• ​Diagnostic Precision: Real-time channel-level fault detection (open wire/short circuit)
• ​Installation Speed: 70% faster wiring vs. screw terminals with push-lock connectors
• ​Safety Integration: SIL 2 functional safety without external barriers
• ​Extreme Resilience: Sustains 95% humidity and chemical splashes (ISO 12944 C4)
• ​Lifecycle Economy: 10M+ mechanical cycles (50× relay lifespan)
• ​Energy Optimization: 0.1mA leakage current minimizes standby power
• ​Studio 5000® Integration: Pre-tested AOI blocks reduce SIL 2 validation time

​5.Functional Capabilities​

​Advanced monitoring features:

• ​Adaptive Noise Filtering: Configurable 0.1–16ms debounce for mechanical contacts
• ​Voltage Threshold Adjustment: Software-defined ON-state voltage (12–28V DC)
• ​Sequence-of-Events Logging: 1ms timestamp resolution for fault forensics
• ​Redundancy Support: Input mirroring to backup controllers via produced tags
• ​Startup Diagnostics: Detects wiring faults during initialization (<50µs)
• ​Current Monitoring: Measures per-point consumption for predictive maintenance
• ​Hot-Swap Capability: Module replacement without system shutdown (1794-AENT adapters)
• ​Field Configurability: DIP switches override default filtering for legacy sensors

​

Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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