Industrial Communication | Siemens | 6ES7 138-4FA04-0AB0 6ES7138-4FA04-0AB0 DP ELECTRON MODULE FOR ET200S

Product Description: Siemens 6ES7138-4FA04-0AB0

The Siemens 6ES7138-4FA04-0AB0 is a power module from the SIMATIC ET 200S distributed I/O system. Specifically designed to supply power to the electronics of active bus modules, this unit ensures stable 24 V DC power delivery across the station. It enables the galvanic isolation of potential groups and facilitates power distribution to connected modules while maintaining reliable system uptime in decentralized automation architectures.

Key Features

• Supplies 24 V DC to the ET 200S system bus
• Designed for use with active bus modules
• Supports potential group separation for safer field-side wiring
• Enables hot swapping and online module replacement
• Compact footprint, DIN rail-mounted
• Diagnostic capability with status LED
• Enhanced fault protection and reliability in decentralized setups

Technical Specifications

• Part Number: 6ES7138-4FA04-0AB0
• Rated Input Voltage: 24 V DC
• Rated Output Voltage: 24 V DC
• Output Current: Max. 10 A (depending on configuration and wiring)
• Voltage Drop: < 0.5 V
• Isolation: Galvanic isolation between system and field supply
• Mounting Method: Plug-in module for ET 200S system
• Module Width: 15 mm
• Protection Class: IP20
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: –40 °C to +70 °C
• Relative Humidity: 5% to 95% (non-condensing)
• Weight: Approx. 50 g

Application Areas

• Distributed automation systems using ET 200S
• Decentralized control stations requiring stable power to active bus modules
• Machine and production line automation
• Applications where field-side potential separation and high uptime are critical
• Modular systems requiring flexible power architecture with galvanic isolation

Advantages

• Provides reliable power to the ET 200S active backplane system
• Supports modular hot-swapping and maintenance without system shutdown
• Increases safety through electrical isolation of potential groups
• Compact design fits into space-constrained control panels
• Enhances system flexibility and diagnostics within distributed architectures