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Siemens C79451-A3437-B122 SIMATIC S7 Connecting Cable

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ManufacturerSiemens

Part numberC79451-A3437-B122

Type Connecting Cable

Interface RS-232

Compatibility SIMATIC HMI/S7, OP3 Operator Panel

Features Electric Isolation

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Connects OP3 Operator Panel to SIMATIC S7 RS-232 Interface Electric Isolation for safety Reliable data transfer Part of SIMATIC HMI range

Product description

The Siemens C79451-A3437-B122 is a connecting cable designed for industrial automation systems, specifically within the Siemens SIMATIC HMI and S7 ranges. It facilitates communication, often via RS-232, between operator panels and control units.

This cable is crucial for establishing reliable data transfer and control signals in environments requiring precise communication links, such as manufacturing lines, process plants, and control rooms. Its electrical isolation ensures safe and dependable connections.

As a veteran-owned surplus parts distributor, Stanlo Automation understands the importance of reliable connectivity. We offer components like the C79451-A3437-B122 to help you maintain and repair your existing automation infrastructure.

Technical specifications

Type	Connecting Cable
Interface	RS-232
Compatibility	SIMATIC HMI/S7, OP3 Operator Panel
Features	Electric Isolation
Length	Approx. 9 ft (2.7m)

Common applications

Industrial Communication

Machine Control

HMI Interfaces

Automation Systems

Operator Panels

Compatible systems

Siemens SIMATIC S7 PLCs Siemens OP3 Operator Panels

Also known as

SIMATIC S7 Connecting Cable Siemens OP3 Cable RS232 Cable

Replaces / compatible with

This cable is specifically designed to connect Siemens OP3 operator panels to SIMATIC S7 systems using an RS-232 interface. It is listed as obsolete by some vendors.

Technical note

Expert tip

The electrical isolation feature is critical for preventing ground loops and ensuring signal integrity in electrically noisy industrial environments.

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Frequently asked questions

What devices does the Siemens C79451-A3437-B122 cable connect?

The Siemens C79451-A3437-B122 cable is designed to connect Siemens OP3 Operator Panels to SIMATIC S7 systems, typically utilizing an RS-232 interface for communication.