NEW 6ES7321-1BH02-0AA0
NEW 6ES7321-1BH02-0AA0 原价为：$38.00。当前价格为：$35.00。
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NEW 6ES7321-7BH01-0AB0
NEW 6ES7321-7BH01-0AB0 原价为：$152.00。当前价格为：$143.00。
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NEW 6ES7321-1FH00-0AA0

原价为：$90.00。当前价格为：$84.00。

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Additional information
Weight 0.60 kg
Dimensions 15 × 20 × 10 cm
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Description

The 6ES7321-1FH00-0AA0 is a digital input module from Siemens’ SIMATIC S7-300 series, specifically part of the SM 321 family, designed to capture digital signals from AC-powered industrial devices (such as switches, contactors, or sensors) and transmit them to the S7-300 PLC for processing. It is tailored for applications requiring compatibility with higher AC voltages, making it suitable for integration with legacy or AC-based field equipment.

Key Features & Specifications:

  • Channel Configuration: Equipped with 16 digital input channels, enabling simultaneous monitoring of 16 discrete AC signals—ideal for systems needing multiple input points for AC-powered devices.
  • Input Characteristics:
    • Operates on AC 120/230 V (wide-range voltage compatibility), supporting connection to standard industrial AC sensors, relays, or switches.
    • Typical input current: ~10 mA at 120 V AC, ~5 mA at 230 V AC, ensuring efficient power usage for AC circuits.
    • Response time: ~10 ms (standard), suitable for monitoring non-time-critical AC device statuses.
  • Diagnostic & Status Indicators: Features channel-specific LEDs to visually indicate input activation (ON/OFF), providing quick status checks. A module-level LED indicates overall operational health, aiding in troubleshooting.
  • Connection & Integration:
    • Uses a 40-pin front connector for wiring, with options for screw terminals to secure AC connections reliably.
    • Integrates directly with the S7-300 backplane bus, enabling seamless data transfer to the CPU without additional communication hardware.
  • Industrial Durability:
    • Built to withstand harsh industrial environments, operating reliably in a temperature range of 0°C to 60°C.
    • Complies with international standards (e.g., CE, UL, IEC 61131-2) for resistance to vibration, shock, and electromagnetic interference (EMC), ensuring stable performance in factory floors or process control settings.

Compatibility:

  • Seamlessly integrates with all SIMATIC S7-300 CPUs (e.g., 312, 314, 315, 317) via the backplane bus, making it a flexible addition to modular S7-300 systems.
  • Compatible with AC 120/230 V digital devices such as limit switches, contactor auxiliary contacts, or AC-powered sensors commonly used in industrial facilities.

Applications:

Ideal for industrial automation scenarios requiring monitoring of AC-powered discrete devices, such as:

 

  • Detecting the status of AC contactors or relays in power distribution systems.
  • Monitoring high-voltage switches or emergency stops in manufacturing lines.
  • Collecting data from AC sensors in process plants or heavy machinery.

 

It provides a reliable solution for integrating AC-based field devices into S7-300 PLC systems, bridging compatibility gaps between modern controllers and legacy AC equipment.