Product details
Specifications
Recommand
Service & Policy

SIEMENS INDUSTRIAL AUTOMATION

ARTICLE NUMBER

6ES7321-1BH10-0AA0

SIMATIC S7-300 SM 321 16 DI 24 V DC High-Speed Digital Input Module

WARRANTY

One year

AVAILABILITY

In stock

TEL

+86 17359287459

sales9@apterpower.com

SYSTEM DATA

A Siemens SIMATIC S7-300 isolated SM 321 digital input module with sixteen 24 V DC high-speed channels. It is intended for documented engineering, controlled maintenance and exact article-number replacement within the specified SIMATIC hardware environment.

Module type
SM 321

Digital inputs
16

Rated input
24 V DC

Isolation
Yes

Front connector
20-pin

Input delay
0.05 ms

Input current
7 mA typical

Unshielded cable
Max. 600 m

FIRMWARE & UPDATES

No module firmware parameter is required for normal input operation, but the surrounding CPU and project revision should remain documented. Verify input status and wiring after service replacement.

CONFIGURATION & PROGRAMMING

Place the SM 321 in the correct S7-300 slot, assign its process-image address and use the specified 20-pin front connector. Confirm the fast input timing matches the application.

BRAND CHARACTERISTICS

APPLICATION FIELDS

Siemens S7-300 signal modules support modular expansion, documented slot assignment and consistent lifecycle replacement.

Fast discrete signal acquisition, machine status monitoring and retrofit maintenance in SIMATIC S7-300 control cabinets.

TRACEABLE

DOCUMENTED

LIFECYCLE READY

HIGH-SPEED INPUT

S7-300 I/O

STATUS SIGNALS

RELATED MODELS

SIEMENS

WEIDMULLER

6ES7953-8LF31-0AA0

6ES7134-4NB01-0AB0

UR20-FBC-PN-IRT-V2

UR20-PF-O

6ES7953-8LG31-0AA0

6ES7134-4GB11-0AB0

UR20-16DI-P

UR20-PF-O-2DI-DELAY

6ES7953-8LJ31-0AA0

6ES7133-0BH01-0XB0

UR20-16DO-P

UR20-1COM-232-485-422

6ES7953-8LL31-0AA0

6ES7136-6DB00-0CA0

UR20-4AI-UI-16

UR20-1CNT-100

6ES7953-8LM31-0AA0

6ES7141-4BH00-0AA0

UR20-4AO-UI-16

UR20-2FCNT-100

6ES7953-8LP31-0AA0

6ES7953-8LJ20-0AA0

UR20-8DI-P-3W

UR20-4RO-CO-255

6ES7951-1KH00-0AA0

6ES7953-8LJ30-0AA0

UR20-8DO-P

UR20-8DI-P-2W-HD

6ES7952-1KL00-0AA0

6ES7953-8LG20-0AA0

UR20-4AI-RTD-DIAG

UR20-16DO-P-PLC-INT

6ES7321-1BH10-0AA0

6ES7953-8LF30-0AA0

UR20-2AI-SG-24-DIAG

UR20-4AI-UI-DIAG

6ES7134-6JD00-0CA1

6ES7953-8LF00-0AA0

UR20-PF-I

UR20-2AO-UI-16

QUOTE & SERVICE

01 IDENTIFY

Confirm the complete article number.

02 VERIFY

Check revision, firmware and condition.

03 QUOTE

Request price and availability.

04 DISPATCH

Pack and arrange shipment.

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6ES7321-1BH10-0AA0 Datasheet

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