Product image

Model reference

6AG1321-7TH00-4AB0 Rugged Automation Hardware

Technical SummaryBased on6ES7321-7TH00-0AB0Number of digital inputs16Load voltage L+ rated value (DC)24 VInput voltage typeDCInput voltage rated value (DC)8.2 V; 8.2V/18VInput current for signal "0" min.0.35 mAInput current for signal "0" max. (permissible quiescent current)1.2 mAInput current for signal "1" typ.10 mA; for NAMUR: 2.1 to 7 mA, for 10k ohm/47k ohm contact: typical 10mA, for…

We confirm price, condition, lead time and warranty terms for your exact model and quantity.

Product Parameters

Product Code
6AG1321-7TH00-4AB0
Dimensions
13 × 15 × 5 cm
Weight
0.388 kg
Lifecycle
Start of final year of support
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Product Details

Technical Summary

Based on 6ES7321-7TH00-0AB0
Number of digital inputs 16
Load voltage L+ rated value (DC) 24 V
Input voltage type DC
Input voltage rated value (DC) 8.2 V; 8.2V/18V
Input current for signal "0" min. 0.35 mA
Input current for signal "0" max. (permissible quiescent current) 1.2 mA
Input current for signal "1" typ. 10 mA; for NAMUR: 2.1 to 7 mA, for 10k ohm/47k ohm contact: typical 10mA, for 4 wire BEROs: typical 10 mA
Power loss, typ. 11 W
Isolation tested with 600 V DC
Product lifecycle Start of final year of support

Key Features

SIPLUS PCS 7 SM 321 16 DI
Digital input module with 16 DI.
Based on 6ES7321-7TH00-0AB0
Spare part variant based on 6ES7321-7TH00-0AB0.
Conformal coating
Variant with conformal coating for the SIPLUS version.
Diagnostics-capable input handling
Supports alarms, diagnostics function, diagnostic alarm, hardware interrupt, and readable diagnostic information.
Input and sensor support
For contacts (wired/ not wired), NAMUR encoder, and 3/4-wire BERO, with chatter monitoring, pulse stretching, and open-circuit detection.

Applications

16-channel digital input acquisition
For reading 16 digital input signals.
Contact signal connection
For contacts in wired or not wired configurations.
NAMUR encoder signal input
For connecting a NAMUR encoder.
3/4-wire BERO signal input
For connecting 3/4-wire BERO devices.

Frequently Asked Questions

What is 6AG1321-7TH00-4AB0?

It is a Siemens SIPLUS PCS 7 SM 321 16 DI spare part based on 6ES7321-7TH00-0AB0.

How many digital inputs does 6AG1321-7TH00-4AB0 have?

It has 16 digital inputs.

What input voltage does 6AG1321-7TH00-4AB0 use?

The load voltage L+ is 24 V DC, and the input voltage type is DC.

Which signals can 6AG1321-7TH00-4AB0 handle?

It is suitable for contacts (wired/ not wired), NAMUR encoder, and 3/4-wire BERO.

Does 6AG1321-7TH00-4AB0 support diagnostics?

Yes. It supports alarms, diagnostics function, diagnostic alarm, hardware interrupt, diagnostic information readable, and wire break detection.

Selection guidance

Confirm the right fit before purchase

We help procurement and maintenance teams turn a partial label or project requirement into a clear model-check request.

01

Model identification

Share the complete model, MLFB or a clear nameplate photo so we can review the product identity.

02

System context

Tell us whether the requirement is for a replacement, cabinet build, expansion or maintenance spare.

03

Commercial check

We confirm quantity, condition, destination, lead time and quotation terms for your order.

Request a quotation

Check supply details for 6AG1321-7TH00-4AB0

Use the form to send the model, quantity, destination and your requirement. We normally reply within one business day with the available quotation details.

  • The product model is filled in automatically.
  • Add version, interface or replacement questions in the message field.
  • For a partial label, attach the available model details or product photos by email after submitting.
Product RFQ6AG1321-7TH00-4AB0

* Email is required. Product and project details help us respond accurately.