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Siemens SIMATIC S7-300

6ES7326-1RF00-0AB0

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The Siemens 6ES7326-1RF00-0AB0 is a SM 326 Fail-Safe NAMUR Digital Input Module in the SIMATIC S7-300 family.

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SIEMENS 6ES7326-1RF00-0AB0

Technical Specifications

Model-specific identification and technical data for 6ES7326-1RF00-0AB0.

01Product IdentityS7-300 module identity

ManufacturerSiemens

Article Number6ES7326-1RF00-0AB0

DesignationSM 326 Fail-Safe NAMUR Digital Input Module

System FamilySIMATIC S7-300

02NAMUR InputsSafety input channels

Digital Inputs8

Rated Supply24 V DC

Two-Channel Inputs4

Sensor Supply8.2 V DC

03Electrical DataSupply and bus current

L+ Input Current160 mA max.

Backplane Current90 mA max. at 5 V

Power Loss4.5 W typical

Input StandardNAMUR

04Mechanical & SafetyConnector, size and safety

Front Connector40-pin

Dimensions80 × 125 × 120 mm

Approx. Device Weight482 g

SIL RatingSIL 3, two-channel

SIEMENS 6ES7326-1RF00-0AB0 PRODUCT SUPPORT

Frequently Asked Questions

SM 326 NAMUR wiring, safety configuration and diagnostic checks.

How many NAMUR signals can the SM 326 accept?

Siemens specifies eight digital NAMUR inputs in one-channel operation, or four two-channel input pairs. Select the arrangement required by the safety application.

Which channel arrangement is needed for SIL 3?

The Siemens technical data rates this module SIL 3 in two-channel operation; single-channel operation is rated SIL 2. Validate the complete safety function, not only the module.

Which sensor supply does the module provide?

It provides eight sensor-supply outputs at 8.2 V DC for NAMUR sensors. Check sensor and intrinsic-safety compatibility against the Siemens limits.

Which connector must be available for installation?

Siemens specifies a 40-pin front connector for 6ES7326-1RF00-0AB0. Include the correct connector and wiring plan in the installation check.

Which power demands should be allowed for the module?

The rated supply is 24 V DC; Siemens gives up to 160 mA from L+ without load and up to 90 mA from the 5 V backplane.

How can NAMUR input faults be diagnosed?

The Siemens data lists readable diagnostic information, a diagnostic alarm and module status indicators. Commission the F-system diagnostics and check the channel wiring.

Which cable lengths are listed for sensor wiring?

The official comparison data lists up to 200 m shielded and 100 m unshielded cable. Confirm the actual installation against the safety and hazardous-area design.

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Important delivery information

Product availability, dispatch date, freight cost and delivery time depend on the confirmed order and destination. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order. Please contact AMIKON for current commercial and shipping details.

AMIKON Professional Services

Warranty, Sourcing and Global Export Support

With 20 years of experience in industrial automation, AMIKON supplies discontinued and hard-to-find DCS, PLC and TSI spare parts to customers worldwide.

01 · WARRANTY

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Products supplied by AMIKON include a standard 12-month warranty. Warranty handling is based on the confirmed order, product label, fault information and supporting photos or videos.

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Packaging is selected according to the component type, shipment size and transport method to support safe international handling.

07 · ORDER DOCUMENTATION

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Commercial invoices, packing lists and available origin information can be prepared according to the confirmed order and destination requirements.

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Siemens 6ES7326-1RF00-0AB0 SM 326 Fail-Safe NAMUR Digital Input Module

6ES7326-1RF00-0AB0

20 Years of Experience in Industrial Automation Supply

6ES7326-1RF00-0AB0

Technical Specifications

Frequently Asked Questions

How many NAMUR signals can the SM 326 accept?

Which channel arrangement is needed for SIL 3?

Which sensor supply does the module provide?

Which connector must be available for installation?

Which power demands should be allowed for the module?

How can NAMUR input faults be diagnosed?

Which cable lengths are listed for sensor wiring?

Payment and Worldwide Delivery

Order Confirmation

Product Preparation

International Shipping

Dispatch and Tracking

Support at Every Stage of Your Order

Warranty, Sourcing and Global Export Support

12-Month Product Warranty

Discontinued and Hard-to-Find Parts

One-Stop International Shipping

Model and Specification Support

Product Verification Before Shipment

Secure Packing for International Transit

Commercial and Shipping Documents

Responsive Order Follow-Up

Recommended Industrial Models

Related Products