3RA2711-1CA00

The IO-Link functional module is suitable for contactors of various sizes from S00 to S3. After installation, it can form a star-delta starter with digital communication capabilities, which is convenient for engineers to centrally monitor and troubleshoot from the PLC.

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Siemens SIRIUS 3RA2711-1CA00 IO-Link Star-Delta Start Function Module

Product Positioning

The 3RA2711-1CA00 is a functional module in the SIRIUS 3RA27 series that supports IO-Link communication. When connected to a 3RT2 contactor with communication capabilities, it can form a star-delta (Y-Δ) starting logic, which is suitable for motor control applications that require remote diagnostics.

Core Product Advantages and Features

IO-Link digital communication

The operating status and diagnostic information are transmitted back to the upper control system through the IO-Link interface.

Star-delta startup logic is built-in

The module itself has star-delta switching timing, eliminating the need for additional timing relay wiring.

Multi-size compatibility

It can be installed in compatible contactor combinations of different sizes such as S00, S0, S2, and S3.

Simplify control box wiring

Replacing traditional terminal wiring with modules reduces the time required for assembly and maintenance.

project	Specification
Product Type	IO-Link Functional Module (Star-Delta Startup)
Control power supply voltage	24 V DC
Communication Interface	IO-Link
Startup method	Star-Delta / Wye-Delta
Compatible base contactor	3RT2 series (version with communication capabilities required)
Applicable contactor size	S00 / S0 / S2 / S3
Terminal type	Screw terminals
Product Series	SIRIUS 3RA27 Series
Installation method	Directly clipped onto the top of the contactor
Protection level	IP20 (same series specifications)
Ambient temperature range	-25°C to +60°C (same series specifications)

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3RA2712-1AA00

This module is installed on the 3RT2 series contactor that supports communication. It replaces the traditional control circuit wiring with AS-Interface bus, making it suitable for direct start applications that require centralized monitoring and quick wiring, and can reduce panel space and labor costs.

3RA2711-1BA00

This module is designed for forward and reverse start-up. It connects to the control system via the IO-Link interface and can be installed on a communication-type 3RT2 contactor of size S00 or S0 to complete the bidirectional operation logic.

3RA2711-1AA00

The IO-Link direct start function module is suitable for contactors of sizes S00 to S3. It is small in size, weighing only about 75 grams, easy to install, and can transmit operation information to the control system in real time.