6ES7321-1FH00-0AA0 | Siemens S7-300 Digital Input Module With 16 Optically Isolated AC Inputs

Siemens · PLCs & Industrial Controllers

Description  The Siemens 6ES7321-1FH00-0AA0 is a digital input module designed for AC signal acquisition in S7-300 automation systems. With 16 optically isolated inputs and support for wide AC voltage ranges, it provides reliable signal processing for industrial control applications.     Technical Specifications  Condition New/Never Used Surplus Brand Siemens Category PLCs/Machine Control Part Number 6ES7321-1FH00-0AA0 Subcategory VDC Logic I/O Module Type Optically Isolated Digital Input Module Series S7-300 Series Number of Inputs 16 Input Type Digital Signal Range 0 to 40 / 74 to 264 VAC Voltage Rating 120 / 230 VAC Amperage Rating 29 mA Power Rating 4.9 W Dimensions 120 mm L × 40 mm W × 125 mm H For Use With S7-300 Controller Isolation Method Optical Isolation Mounting Type DIN Rail / Rack Mount Environmental Use Industrial automation systems     Information About 6ES7321-1FH00-0AA0 The 6ES7321-1FH00-0AA0 is a Siemens S7-300 series AC digital input module engineered to capture signals from field devices operating across a wide AC voltage range. Its 16 optically isolated channels ensure electrical separation between field wiring and internal PLC electronics, enhancing system safety and noise immunity. Designed to integrate directly with S7-300 controllers, it occupies minimal cabinet space and provides dependable signal acquisition for manufacturing, process control, and infrastructure applications. With a low power requirement of 4.9 W and a compact footprint, it contributes to efficient panel design and scalable control architectures. Key Features: 16 Optically Isolated AC Inputs: Ensures safe and noise-resistant signal transmission from field devices. Wide AC Voltage Compatibility: Accepts input ranges from 0–40 VAC and 74–264 VAC for versatile system integration. Reliable DIN-Rail Integration: Designed to install easily within S7-300 racks or mounting systems. Low Power Consumption: Operates at only 4.9 W while supporting full input channel capability. Compact Mechanical Design: Measures 120 × 40 × 125 mm for space-efficient control cabinet layouts. Robust Industrial Performance: Handles typical automation environments with dependable electrical isolation. Direct Compatibility with S7-300: Seamlessly integrates into Siemens’ established PLC platform for scalable system expansion. Stable Input Processing: Provides consistent signal detection for AC-based sensors, switches, and control devices. The 6ES7321-1FH00-0AA0 delivers the reliability and precision required for accurate AC signal acquisition in demanding industrial control systems.

Brand: Siemens · Category: PLCs & Industrial Controllers

Key features

• 16 Optically Isolated AC Inputs: Ensures safe and noise-resistant signal transmission from field devices.
• Wide AC Voltage Compatibility: Accepts input ranges from 0–40 VAC and 74–264 VAC for versatile system integration.
• Reliable DIN-Rail Integration: Designed to install easily within S7-300 racks or mounting systems.
• Low Power Consumption: Operates at only 4.9 W while supporting full input channel capability.
• Compact Mechanical Design: Measures 120 × 40 × 125 mm for space-efficient control cabinet layouts.
• Robust Industrial Performance: Handles typical automation environments with dependable electrical isolation.
• Direct Compatibility with S7-300: Seamlessly integrates into Siemens’ established PLC platform for scalable system expansion.
• Stable Input Processing: Provides consistent signal detection for AC-based sensors, switches, and control devices.

Specifications

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