The Siemens 6ES7138-4CA01-0AA0 is a PM-E power module designed for the SIMATIC ET 200S distributed I/O system. This module serves as a critical component for supplying load voltage to connected sensors and actuators, while simultaneously providing essential electrical isolation and system segmentation within a voltage group.
Features
Designed for integration with the SIMATIC ET 200S distributed I/O platform.
Integrated diagnostic capabilities for monitoring load voltage status.
Supports fail-safe module configurations.
Provides 24 V DC power distribution via the TM-P terminal module.
Status information is accessible via the process input image (PII) status byte.
Applications
Automated assembly lines and machine control systems.
Distributed I/O architectures in manufacturing and automotive sectors.
Building automation and infrastructure control.
Marine and hazardous area environments requiring robust power management.
Technical Specifications
Model
6ES7138-4CA01-0AA0
Rated Voltage
24 V DC
Current Capacity
Max 10 A (up to 60 degC)
Power Loss
0.1 W (typical)
Current Consumption
Max 4 mA (without load)
Weight
0.05 kg
Installation Guidelines
The module must be installed into a compatible TM-P terminal module to facilitate power distribution.
Ensure the system power is disconnected before inserting or removing the module from the rack.
Operate within the specified temperature range of 0 to 55 degC for vertical installations.
Commissioning must be performed by qualified personnel familiar with local safety standards and circuit grounding requirements.
Verify correct wiring polarity on the TM-P terminal module before energizing the system.
FAQ
What is the primary function of the 6ES7138-4CA01-0AA0?
This module acts as a power interface for the ET 200S system, supplying 24V DC to electronic modules and providing diagnostic feedback regarding the presence of load voltage.
How is the module status monitored?
The module status is stored in the status byte within the process input image, allowing the controller to detect missing load voltage conditions even if specific diagnostics are not explicitly enabled.
Is this module compatible with fail-safe applications?
Yes, the PM-E DC24V power module is suitable for use in fail-safe module configurations within the ET 200S series.
