Siemens 6ES7323-1BL00-0AA0 SIMATIC S7-300 SM323 16DI/16DO 24V DC Digital I/O Module

 Siemens 6ES7323-1BL00-0AA0 SIMATIC S7-300 SM 323 16DI/16DO 24V DC Digital I/O Industrial Control Module

1. Product Overview

Siemens 6ES7323-1BL00-0AA0 is SM323 digital combination input/output module for SIMATIC S7-300 PLC system. It integrates 16 digital inputs and 16 digital outputs with galvanic isolation, rated DC24V. It collects digital switching signals from field sensors and sends switching output signals to actuators such as solenoid valves, relays and contactors. It inserts directly onto S7-300 U-backplane, expand PLC digital I/O capacity for automation control cabinet.

Note: This S7-300 SM323 module is phase-out discontinued spare part, stock limited.

2. Core Advantages & Key Features

• 16DI +16DO Combined Digital I/O Module 16-channel DC24V digital input +16-channel DC24V digital output, each output rated 0.5A, total output current up to 4A, save cabinet slot space.
• Galvanic Optical Isolation Optocoupler isolation between internal logic circuit and field side, effectively suppress interference from industrial field and protect PLC main rack.
• 40-pin Front Connector Design Adopt 40-pin terminal connector for wiring, convenient for on-site wiring, maintenance and module replacement.
• High Reliability Output Circuit Built-in short-circuit protection for output channels; suitable for driving solenoid valves, small relays and indicator lights.
• Easy Expansion for S7-300 Rack Direct plug-on S7-300 backplane bus, simple hardware configuration in STEP7 software.
• Industrial Standard & Global Certifications Complies with IEC, CE, RoHS standards, stable continuous operation in factory environment.
• Compact Design Standard S7-300 rail module size, easy installation inside control cabinet.

3. Technical Parameters

4. Application Industries & Typical Scenarios

Applicable Industries

• Packaging Machinery
• Conveying & Material Handling
• Textile Machinery
• Water Treatment
• HVAC Fan & Pump Control
• Chemical Industry
• Old Automation System Retrofit

Typical Scenarios

Signal acquisition and output for sensors, solenoid valves and relays; digital logic control of production lines, conveyor systems, pump stations, packaging machines, renovation of legacy S7-300 automation systems.

5. Packing & Logistics Reference

• Net weight: 0.302 kg/pc
• Package: Original separate carton
• Warranty: 12-month warranty for brand new original

  Note: Discontinued Siemens S7-300 spare part, stock fluctuates frequently.