6ES5246-5AA21 Siemens SIMATIC S5 Digital Output Module PLC Spare Part

Siemens 6ES5246-5AA21

SIMATIC Digital Output Module

24V DC PLC Module

6ES5246-5AA21

Siemens 6ES5246-5AA21 is a SIMATIC Digital Output Module for 24V DC PLC systems, delivering reliable switching control of actuators and industrial devices in automation setups, ensuring high-performance signal output and integration with SIMATIC controllers.

Specification

SEODescription

The **Siemens 6ES5246-5AA21** is a **SIMATIC Digital Output Module** designed for integration into PLC systems, featuring **16 digital outputs** for 24V DC signals. This **24V DC PLC Module** supports direct connection to up to **7 expansion modules**, enabling scalable control configurations. It operates within a **20.4–28.8V DC voltage range** and functions reliably in **0–60°C** environments, making it suitable for industrial automation, manufacturing, and machinery control. The module lacks built-in communication interfaces but integrates seamlessly via the SIMATIC S5 backplane bus. Key advantages include high-density output, robust construction, and compatibility with Siemens automation ecosystems. However, its dependency on external communication modules and limited flexibility in legacy systems may require additional planning for complex setups.

SEOSpecification

Parameter	Specification
Manufacturer & Model	Siemens 6ES5246-5AA21
Module Type	SIMATIC Digital Output Module
Voltage Category	24V DC PLC Module
Output Type	Transistor (Sourcing)
Number of Outputs	16 channels
Current per Channel	0.5A
Total Load Current	4A (all channels)
Isolation	Optocoupler isolation
Power Consumption	2.5W (typical)
Operating Temperature	0°C to 60°C

SEOQandA

question:What is the warranty?
answer:Our warranty covers product defects, offering repair or replacement within the specified period.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major carriers for reliable global delivery.
question:Why can't you supply discontinued models while others can?
answer:We prioritize current models to ensure quality and stock availability; others may source old stock without guarantees.

SEOQandA_Product

question:Why is the 6ES5246-5AA21 module not recognized by the PLC?
answer:Verify module address settings and ensure proper backplane connection. Check configuration in PLC hardware setup.
question:How to resolve erratic input signals on 6ES5246-5AA21?
answer:Inspect wiring for loose connections or noise interference. Use shielded cables and ensure proper grounding.
question:Why does 6ES5246-5AA21 show overheating?
answer:Ensure ambient temperature stays within 0-60°C. Check for excessive load or blocked ventilation.
question:How to fix LED status indicators not lighting on 6ES5246-5AA21?
answer:Confirm power supply (24V DC) stability. Replace module if LEDs remain off with valid power.
question:Why do input channels on 6ES5246-5AA21 fail intermittently?
answer:Test sensors/field devices for consistency. Replace module if channel hardware faults persist.