6ES7321-1BH02-0AA0 SIEMENS Controller module

Description

6ES7321-1BH02-0AA0 SIEMENS Controller module

Product Dimensions：

Product Description

The 6ES7321-1BH02-0AA0 is a digital input module belonging to the SIMATIC S7-300 family. It serves as the interface between the PLC (Programmable Logic Controller) and external binary sensors or switches. This specific module is one of the most widely used digital input cards due to its standard density and reliability.

Product Parameters

Key Product Advantages

• High Reliability: Features optocoupler isolation, which protects the internal PLC electronics from external voltage spikes or electrical noise on the field side.

• Standardized Design: Fits seamlessly into the S7-300 rail system, making it easy to expand existing control systems.

• Status Transparency: Equipped with 16 green LEDs on the front panel that provide real-time status indication for each individual input channel.

• Ease of Replacement: Supports the use of front connectors with “coding keys,” ensuring that if a module is replaced, the wiring connector cannot be accidentally plugged into the wrong type of module.

Critical Usage Notes & Precautions

1. Front Connector Required: Please note that the module does not come with the 20-pin front connector. This must be ordered separately (e.g., 6ES7392-1AJ00-0AA0).

2. Wiring Polarity: Ensure correct polarity of the 24V DC supply. Reversing the polarity on the input channels can lead to signal failure or damage.

3. Heat Dissipation: When mounting multiple high-density modules together, ensure the cabinet has adequate ventilation to maintain the operating temperature within the specified range (0°C to 60°C).

4. Signal Filtering: The module has a fixed input delay. If you are tracking extremely high-speed pulses, you may need a “High Speed Counter” module instead of this standard digital input.

Product Applications

This module is designed for detecting binary states (On/Off, Open/Closed) in industrial automation:

• Machine Tooling: Monitoring limit switches, emergency stop buttons, and proximity sensors.

• Conveyor Systems: Detecting the presence of packages or pallets.

• Process Industry: Receiving feedback from valve positioners or pressure switches.

• Manufacturing: General logic control for assembly lines and robotic cells.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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