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Siemens 6DD1681-0EB3 SIMATIC TDC Binary Input Module

Name: Siemens 6DD1681-0EB3
Brand: Siemens
SKU: 6DD1681-0EB3
Availability: InStock

Siemens SIMATIC TDC SB61 Binary Input Module, 8 BI, 24/48V DC.

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ManufacturerSiemens

Part number6DD1681-0EB3

Module Type Binary Input SB61

Inputs 8 BI

Voltage 24/48 V DC

Features LED display, galvanic isolation

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12-month warranty

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CAGE: 9NK75

8 isolated binary inputs 24/48 V DC operation LED status indicators Galvanic isolation SIMATIC TDC compatible

Product description

The Siemens 6DD1681-0EB3 is a SIMATIC TDC binary input module, designated as SB61. It features 8 isolated binary inputs (BI) that operate on 24 or 48 V DC. The module includes LED indicators for status and provides galvanic isolation for enhanced safety and signal integrity.

This module is ideal for applications requiring the detection of digital signals in industrial environments, such as monitoring switches, sensors, or control signals. It is commonly used in manufacturing, process control, and building automation systems where reliable input processing is critical.

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Technical specifications

Module Type	Binary Input SB61
Inputs	8 BI
Voltage	24/48 V DC
Features	LED display, galvanic isolation

Common applications

Industrial automation

Process monitoring

Machine control

Factory automation

Digital signal input

Compatible systems

SIMATIC TDC Systems

Also known as

Siemens SIMATIC TDC SB61 Siemens 8 Channel Input Module 6DD1681-0EB3

Replaces / compatible with

This module is part of the Siemens SIMATIC TDC system and is designed for input signal acquisition within that architecture. It does not typically replace a specific older part number but functions as a dedicated input module.

Technical note

Expert tip

Ensure the galvanic isolation is utilized effectively by appropriate grounding of input circuits to prevent ground loops and ensure signal integrity.

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Frequently asked questions

What voltage range does the Siemens 6DD1681-0EB3 binary input module support?

The Siemens 6DD1681-0EB3 SIMATIC TDC SB61 module supports 8 isolated binary inputs for either 24 V DC or 48 V DC signals. It also features LED indicators and galvanic isolation.