Siemens 6AV3673-1CA31 CPI 2 Interface Module for OP/TP Panels

Siemens 6AV3673-1CA31 Simatic S5 Operator Interface Module

Availability: 5 left in stock

DescriptionThe Siemens 6AV3673-1CA31 is a specialized Control Panel Interface (CPI 2) module designed for integration with Siemens OP27, OP37, TP27-10,...

SKU: 6AV3673-1CA31

Manufacturer: Siemens
Product No.: 6AV3673-1CA31
Product Type: Operator Interface Module
Product Origin: Germany
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Siemens 6AV3673-1CA31 is a specialized Control Panel Interface (CPI 2) module designed for integration with Siemens OP27, OP37, TP27-10, and TP37 operator panels. This hardware module functions as a digital interface expander, providing 32 discrete input/output points that allow for the direct connection of field devices such as pushbuttons, indicator lamps, and selector switches. By offloading these signals from the primary PLC bus, the module simplifies field wiring, improves signal response times, and facilitates easier maintenance and diagnostic operations within industrial HMI environments.

Features

Provides 32 configurable digital I/O points for localized control.
Designed for seamless integration with OP27, OP37, TP27-10, and TP37 series HMI terminals.
High galvanic isolation to protect internal circuitry from electrical noise and voltage surges.
Solid-state design optimized for low power dissipation and thermal stability.
Direct backplane mounting for reliable communication and power distribution.

Applications

This interface module is suitable for demanding industrial environments including automotive manufacturing, chemical processing, water treatment plants, and power generation facilities. It is ideal for applications requiring localized control logic and reduced wiring complexity at the operator station level.

Technical Specifications

Model	6AV3673-1CA31
Brand	Siemens Simatic S5
Power Supply	24 VDC
Current Consumption	0.5 A
I/O Capacity	32 Digital Inputs/Outputs
Operating Temperature	0 to 50 deg C
Compatible Terminals	OP27, OP37, TP27-10, TP37

Installation Guidelines

Ensure the operator panel is powered down before installing or removing the CPI 2 module.
The module is designed for installation into the rear expansion slot of compatible Siemens operator terminals.
Verify that the backplane header is correctly aligned before securing the module to prevent pin damage.
Maintain proper ventilation within the control cabinet to ensure the module operates within its specified temperature range.
Use shielded cabling for external I/O connections to minimize electromagnetic interference (EMI) in high-noise industrial environments.
Follow standard ESD (Electrostatic Discharge) precautions when handling the module to prevent damage to sensitive internal components.

FAQ

What is the primary purpose of the 6AV3673-1CA31 module?

This module acts as an expansion interface for Siemens operator panels, allowing for the direct connection of 32 digital I/O points to handle field control signals locally at the HMI.

Is this module compatible with modern Siemens HMI panels?

No, this specific model is engineered for the legacy Simatic S5 era operator panels, specifically the OP27, OP37, TP27-10, and TP37 series.

Does the module require an external power supply?

The module operates on 24 VDC, which is typically provided via the host operator panel's internal power distribution system upon installation.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.