Siemens 6ES7123-1GB10-0AB0 SIMATIC SC

Analog Input Module for ET 200L-SC Distributed I/O

The Siemens 6ES7123-1GB10-0AB0 serves as a 2-channel analog input electronic submodule for the SIMATIC SC system . This component integrates into the ET 200L-SC distributed I/O architecture for precise signal acquisition . The submodule handles 4–20 mA and ±20 mA current signals from field sensors and transmitters . Its compact design makes it ideal for space-constrained control cabinet installations.

Key Technical Specifications

Parameter	Specification
Product Model	Siemens 6ES7123-1GB10-0AB0
Brand	Siemens
Category	Analog Input Electronic Submodule
Product Family	SIMATIC SC
Number of Inputs	2 channels
Input Signal Types	4–20 mA, ±20 mA
Power Supply	24 VDC (with polarity reversal protection)
Electrical Isolation	1500 V AC tested
Maximum Cable Length	200 meters
Weight	Approx. 0.02 kg
Operating Temperature	0°C to 55°C
Country of Origin	Germany

Signal Acquisition and System Integration

The submodule provides two analog current inputs for reliable signal acquisition from industrial sensors . The built-in polarity reversal protection safeguards the module against incorrect wiring connections . The 1500 V AC isolation ensures robust protection against electrical disturbances and ground loops . This design supports cable runs up to 200 meters, providing flexibility for distributed system layouts .

Physical Design and Installation

The Siemens 6ES7123-1GB10-0AB0 features a lightweight construction of approximately 0.02 kg for easy handling . Its compact form factor allows for high-density mounting within ET 200L-SC stations. The module integrates seamlessly with other SIMATIC SC components for scalable I/O expansion .

Application Suitability

The submodule suits applications requiring precise current signal measurements in distributed I/O environments . Typical uses include process monitoring, machine control, and factory automation . The module’s rugged design ensures reliable operation in demanding industrial conditions.