Siemens 6ES7323-1BL00-0AA0 Digital I/O Module

Description

Siemens 6ES7323-1BL00-0AA0 Digital I/O Module

Product Dimensions：

The Siemens 6ES7323-1BL00-0AA0 is a versatile Digital Input/Output Module (SM 323) belonging to the SIMATIC S7-300 controller family. It combines both digital inputs and digital outputs on a single compact board, providing a cost-effective solution for applications requiring moderate I/O point density.

Product Detailed Description

The 6ES7323-1BL00-0AA0 features a high-density configuration of 16 Digital Inputs (24 V DC) and 16 Digital Outputs (24 V DC, 0.5 A). By integrating both input reading and output driving capabilities into one module, it saves valuable slot space on the S7-300 mounting rail or ET 200M distributed I/O station.

Technical Specifications

Product Advantages

• High Density & Space Saving: Offers 32 total channels (16 In / 16 Out) within a single 40mm wide module width, optimizing control cabinet panel space.
• Galvanic Isolation: High electrical isolation via optocouplers protects the central CPU logic from field disturbances and electrical noise on external sensor/actuator lines.
• Integrated Short-Circuit Protection: The transistor outputs feature electronic short-circuit protection, preventing hardware damage during field wiring faults.
• Status LEDs: Built-in green LEDs per channel provide immediate visual feedback on line status, simplifying field diagnostic and commissioning work.

Important Considerations & Warnings

• 40-Pin Front Connector: This module requires a 40-pin front connector (e.g., 6ES7392-1AM00-0AA0), which is not included with the base module and must be ordered separately.
• Load Current Limits: Observe the group current limit (4 A per group of 8 outputs). Driving heavy inductive loads across multiple adjacent output pins simultaneously may exceed thermal limits.
• Suppression for Inductive Loads: When driving external inductive loads (solenoid valves, small contactor coils), install external freewheeling diodes or RC surge suppressors to prevent switching spikes from degrading the module’s switching transistors.
• Wiring Voltage: Always verify that the supply voltage (L+/M) connected to the module is a stabilized 24 V DC (PELV/SELV) source to avoid output driver faults.

Product Applications

The 6ES7323-1BL00-0AA0 is suitable for general automation tasks across various sectors:

• Packaging & Material Handling: Interfacing with photo-eye sensors, limit switches, pneumatic valves, and small conveyor starters.
• Machine Tooling & Assembly Lines: Processing sensor signals and outputting signals to pneumatic cylinders, indicator lamps, and relay coils.
• Building Infrastructure & HVAC: Monitoring status signals from pumps and dampers while switching auxiliary control relays.
• ET 200M Remote I/O: Functioning as a distributed field module controlled over PROFIBUS DP or PROFINET via an interface module (IM 153).

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：