6ES5243-1AA12 Digital Input Module, Siemens SIMATIC S5 Series PLC I/O Component

Siemens 6ES5243-1AA12 module

6ES5243-1AA12 digital input

24VDC 16DI SIMATIC S5

6ES5243-1AA12

Siemens 6ES5243-1AA12 module is a 24VDC 16DI digital input unit for SIMATIC S5 systems, enabling reliable signal processing in industrial automation applications.

Specification

SEODescription

The Siemens 6ES5243-1AA12 module is a digital input module designed for the SIMATIC S5 system, featuring 16 24VDC digital input (16DI) channels for direct sensor connectivity. It operates within a 24VDC voltage range and supports industrial environments with a temperature range of 0–60°C. Designed for reliability in automation and manufacturing industries, this module integrates seamlessly with SIMATIC S5 components but lacks modern communication interfaces like Ethernet. Its compact design and robust performance suit legacy systems, though limited expandability and compatibility with newer protocols may be drawbacks. Ideal for discrete signal processing in machinery and process control applications.

SEOSpecification

Parameter	Specification
Module Type	Siemens 6ES5243-1AA12 module
Input Type	24VDC 16DI SIMATIC S5 Digital Input
Number of Inputs	16 channels
Input Voltage	24VDC nominal (20-30VDC range)
Current Consumption	Typ. 40mA per channel
Isolation	Optical isolation between field and logic
Response Time	3ms typical (0/1 → 1/0)
Power Dissipation	Approx. 4.5W
Connection	Screw-type terminal block
Compatibility	SIMATIC S5-100U/115U/135U systems
Dimensions (WxHxD)	40 x 125 x 117 mm
Weight	Approx. 300g
Certification	CE, UL, cULus listed
Operating Temperature	0°C to +60°C

HTML table containing key technical specifications of Siemens 6ES5243-1AA12 digital input module formatted with Parameter/Specification structure, focused on electrical characteristics and physical properties.

SEOQandA

question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs depend on weight/destination. We offer multiple carriers. Contact us for cost-effective solutions.
question:Do you provide technical selection support?
answer:Yes, we offer free technical consultation to help you choose suitable products for your needs.
question:Can I arrange self-pickup with my preferred courier?
answer:Yes, self-pickup is allowed. Provide courier details in advance for smooth coordination.

SEOQandA_Product

question:Why is the 6ES5243-1AA12 module not responding?
answer:Check power supply (24VDC) and backplane connection. Verify module address in configuration software.
question:How to resolve unstable input signals on 6ES5243-1AA12?
answer:Use shielded cables, ensure input signals within 24VDC range, and check terminal block connections.
question:Why does 6ES5243-1AA12 show configuration errors?
answer:Verify module parameters in configuration tool. Re-download hardware configuration to PLC.
question:What causes 6ES5243-1AA12 power LED to stay off?
answer:Inspect 24VDC power supply connections. Ensure sufficient current capacity and replace faulty PSU.
question:How to fix communication failure with 6ES5243-1AA12?
answer:Inspect backplane connectors. Update PLC firmware or replace module if hardware fault detected.