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Siemens SIPLUS S7-300 CP 340 RS-232

Siemens SIPLUS S7-300 CP 340 RS-232 Communication Module

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ManufacturerSiemens

Part number6AG1340-1AH02-2AY0

Series SIPLUS S7-300

Module CP 340

Interface RS-232C

Conformal Coating Yes

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RS-232C Serial Interface Conformal Coating for Harsh Environments Extended Temperature Range (-25°C to +60°C) For SIMATIC S7-300 PLC Includes Configuration Package Reliable Data Communication

Product description

The Siemens SIPLUS S7-300 CP 340 (6AG1340-1AH02-2AY0) is a communications processor based on the standard 6ES7340-1AH02-0AE0 module, featuring conformal coating for enhanced environmental protection. It is designed to operate in harsh conditions, with a temperature range of -25°C to +60°C. The module is equipped with an RS-232C interface for serial communication.

This communications processor is essential for connecting S7-300 PLC systems to serial devices like printers, modems, or other serial-based control systems, enabling data exchange and remote monitoring in challenging industrial environments.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens SIPLUS S7-300 CP 340. We provide reliable and high-quality industrial automation components for your critical applications.

Technical specifications

Series	SIPLUS S7-300
Module	CP 340
Interface	RS-232C
Conformal Coating	Yes
Operating Temp	-25°C to +60°C
Base Part	6ES7340-1AH02-0AE0
Manufacturer	Siemens

Common applications

Serial Device Communication

Printer Connections

Modem Links

Remote Monitoring

Industrial Automation

Process Control

Data Acquisition

Compatible systems

Siemens SIMATIC S7-300 PLC systems Devices with RS-232C interfaces

Also known as

Siemens S7-300 CP 340 RS-232 SIPLUS 6AG1340-1AH02-2AY0 Siemens Serial Comms Module

Replaces / compatible with

This SIPLUS version is an enhanced, environmentally hardened variant of the standard Siemens CP 340 module (6ES7340-1AH02-0AE0), offering improved resistance to environmental factors.

Technical note

Expert tip

The conformal coating on this SIPLUS module provides crucial protection against humidity, condensation, and corrosive substances, making it ideal for demanding industrial applications.

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Frequently asked questions

What is the operating temperature range for the Siemens SIPLUS S7-300 CP 340 (6AG1340-1AH02-2AY0)?

The Siemens SIPLUS S7-300 CP 340 features conformal coating and is designed for harsh environments, operating reliably within an extended temperature range of -25°C to +60°C.