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Siemens SIMATIC S7-300 Simulator Module SM 374

Siemens SIMATIC S7-300 simulator module SM 374 for simulating 16 I/O.

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ManufacturerSiemens

Part number6ES7374-2XH01-0AA0

Simulates 16 Inputs OR 16 Outputs OR 8 Inputs & 8 Outputs

Switches 16

LEDs 16

Series SIMATIC S7-300

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12-month warranty

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Simulates digital I/O signals 16 switches for manual input 16 LEDs for output indication Facilitates PLC testing & debugging SIMATIC S7-300 compatible

Product description

The Siemens SIMATIC S7-300 Simulator Module SM 374, part number 6ES7374-2XH01-0AA0, is a specialized module designed for testing and simulating digital I/O signals within an S7-300 automation system. It can simulate 16 inputs, 16 outputs, or a combination of 8 inputs and 8 outputs, featuring 16 switches and 16 LEDs for manual control and status indication.

This simulator module is invaluable during the development, testing, and debugging phases of PLC programs. It allows engineers to verify the logic of their I/O handling without the need for actual field devices, significantly speeding up commissioning and troubleshooting. Industries such as manufacturing automation, material handling, and building control commonly utilize this module.

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Technical specifications

Simulates	16 Inputs OR 16 Outputs OR 8 Inputs & 8 Outputs
Switches	16
LEDs	16
Series	SIMATIC S7-300
Manufacturer	Siemens

Common applications

PLC programming

Industrial automation

System testing & commissioning

Debugging

Manufacturing

Process control

Compatible systems

Siemens SIMATIC S7-300 PLC

Also known as

SIMATIC S7-300 SM 374 Siemens I/O simulator 6ES73742XH010AA0

Replaces / compatible with

The SM 374 simulator module (6ES7374-2XH01-0AA0) is designed for testing and simulating digital I/O within the SIMATIC S7-300 platform. It is not a direct replacement for functional I/O modules but serves as a diagnostic and development tool.

Technical note

Expert tip

When using the SM 374 for output simulation, ensure the connected devices are protected from unintended activation by carefully managing the simulation logic.

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Frequently asked questions

How does the Siemens SIMATIC S7-300 SM 374 module aid in PLC programming?

The Siemens SM 374 simulator module (6ES7374-2XH01-0AA0) allows engineers to test and debug their PLC programs by simulating 16 digital inputs or outputs. The onboard switches and LEDs enable manual interaction, proving invaluable for offline program verification and troubleshooting.