6ES5241-5AA11 Siemens SIMATIC S5 Digital Input Module, PLC I/O Module Card

Siemens 6ES5241-5AA11

SIMATIC S5 Digital Input

24V DC 16DI Module

6ES5241-5AA11

Siemens 6ES5241-5AA11 is a SIMATIC S5 Digital Input Module with 24V DC, offering 16DI channels for industrial automation signal processing and reliable control system integration.

Specification

SEODescription

The Siemens 6ES5241-5AA11 is a SIMATIC S5 Digital Input module designed for industrial automation, featuring 24V DC 16DI channels to interface with sensors and switches. This rugged module supports direct integration into SIMATIC S5 systems, offering 16 isolated inputs with a nominal voltage of 24V DC (operational range 20–30V DC). It operates within a temperature range of 0–60°C, ensuring reliability in harsh environments like manufacturing, process control, and machinery. The module communicates via the S5 backplane bus, enabling seamless data exchange without external interfaces. Key advantages include high noise immunity, easy installation, and compatibility with legacy S5 systems, though its lack of modern communication protocols (e.g., PROFINET) limits use in newer setups. Ideal for retrofits or stable S5-based applications requiring robust 24V DC digital input handling.

SEOSpecification

Parameter	Specification
Module Type	Siemens 6ES5241-5AA11
System Compatibility	SIMATIC S5 Programmable Controller
Function	Digital Input Module (16DI)
Input Voltage	24V DC Nominal (20-30V DC range)
Input Current	Approx. 7mA per channel
Number of Channels	16 Isolated Inputs
Power Consumption	2W (from backplane)
Isolation Method	Optoelectronic isolation between field and logic
Response Time	Typical 3ms (ON/OFF delay)
Connection Type	Screw-type terminal block
Backplane Current	5V DC: 100mA max
Operating Temperature	0°C to 60°C
Dimensions	40 x 125 x 117 mm (WxHxD)
Certification	CE, UL, CSA

SEOQandA

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SEOQandA_Product

question:The module 6ES5241-5AA11 is not communicating with the PLC. What could be the issue?
answer:Check configuration in STEP 5 software, verify cable connections, and ensure correct addressing. Replace faulty cables if needed.
question:Output channels of 6ES5241-5AA11 are not activating. How to troubleshoot?
answer:Verify load compatibility, test channels with a multimeter, and replace the module if outputs are damaged.
question:The system does not recognize the 6ES5241-5AA11 module. What steps to take?
answer:Inspect backplane connections, confirm proper seating in the rack, and test with a different slot if available.
question:The module's power LED is off. What might cause this?
answer:Ensure 24V DC power supply is stable, check wiring for polarity, and replace blown fuses on the module.
question:6ES5241-5AA11 overheats during operation. How to resolve?
answer:Improve ventilation, ensure ambient temperature is within 0-60°C, and verify module is not overloaded.