Siemens 6ES7323-1BL00-0AA0 Digital Module SM 323

6ES73231BL000AA0 – High-reliability digital input/output module for the SIMATIC S7-300 system. The SM 323 features 16 isolated digital inputs and 16 digital outputs, supporting 24V DC signals at 0.5 A per output with a total output current capacity of 4 A. Includes a standard 40-pole connector interface.

Technical Specifications

• Model: 6ES7323-1BL00-0AA0 Siemens
• Series: SIMATIC S7-300
• Module Type: SM 323 Digital I/O
• Input Channels: 16 digital inputs (isolated)
• Output Channels: 16 digital outputs (isolated)
• Rated Voltage: 24V DC
• Output Current per Channel: 0.5 A
• Total Output Current: 4 A
• Connector Type: 1× 40-pole
• Net Weight: 0.302 kg
• Dimensions (W×H×D): 12.8 × 15.3 × 5.0 cm
• Lifecycle Status: Product phase-out since 01.10.2023
• Country of Origin: Germany

Function & Application

Purpose: The SM 323 digital module is designed to handle both input and output signal acquisition in industrial control applications. With channel-to-channel isolation, it ensures high reliability and interference protection in demanding automation environments.

Typical Applications:

• General-purpose digital I/O for machinery and production lines
• Interface for PLC-driven actuators and sensors
• Reliable signal switching in manufacturing systems
• Control cabinets requiring compact I/O modules

Performance & Features

• 16 DI / 16 DO Combination : Efficient space-saving I/O design.
• Isolated Channels : Enhanced protection against electrical interference.
• 40-Pin Interface : Easy connection to S7-300 front connectors.
• Total Output Current of 4 A : Handles moderate actuator loads.
• Integrated with S7-300 Systems : Seamless compatibility and setup.

6ES7323-1BL00-0AA0 Compliance & Classification

• RoHS Compliance: Since 31.03.2008.
• WEEE Take-Back Obligation: Yes.
• REACH Substances:
  • Lead (CAS 7439-92-1) > 0.1%
  • Lead monoxide (CAS 1317-36-8) > 0.1%
• SCIP Number: 1e3a7006-84ae-4ca2-af7b-11cbbcae8232
• Commodity Code: 85389091
• Catalog ID: ST73
• Product Group: 2288
• Group Code: R151
• Product Class: A – Returnable stock item
• EAN: 4025515061120
• UPC: 662643117950

Key Features & Benefits:

✅ 16 DI / 16 DO Channels : All-in-one input/output configuration.

✅ Isolated Design : Minimizes cross-channel electrical interference.

✅ 4 A Total Output Current : Supports a wide range of digital devices.

✅ Standard 40-Pole Connector : Compatible with Siemens screw and spring terminal connectors.

✅ Proven SIMATIC Quality : Built to industrial-grade reliability standards.

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