Siemens 6ES7791-2BA20-8AA0 | Field PG Protective Cover

The Siemens 6ES7791-2BA20-8AA0 is a protective cover accessory for the SIMATIC Field PG programming device. This cover shields the device’s ports and interfaces from dust, moisture, and mechanical damage. It fits the Field PG M2, M3, and M4 models with precision alignment. Furthermore, the accessory includes a tether to prevent loss during device operation. The cover ensures the programming device remains functional in harsh industrial environments.

Durable Construction and Ergonomic Design

This protective cover features robust polycarbonate material that withstands heavy industrial use. The Siemens 6ES7791-2BA20-8AA0 provides flexible flaps that seal each interface port individually. Its transparent window allows users to view status LEDs without removing the cover. Additionally, the cover includes a silicone gasket that prevents liquid ingress around the connectors. This design maintains full accessibility while offering maximum protection.

Comprehensive Port Protection

The cover safeguards all critical interfaces including USB, Ethernet, and power ports. The Siemens 6ES7791-2BA20-8AA0 also covers the SD card slot and the diagnostic interface. It protects each port from dust and dirt that can cause connection failures. Moreover, the cover guards against accidental spills and cleaning chemicals. This protection extends the Field PG service life significantly.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Model	Siemens 6ES7791-2BA20-8AA0
Product Type	Protective Cover
Compatibility	SIMATIC Field PG M2, M3, M4
Material	Polycarbonate with silicone gasket
Design	Integrated tether
Protection Features	Dust, moisture, and mechanical impact
Transparency	Window for LED visibility
Port Access	Individual flaps for USB, Ethernet, power
Color	Translucent black
Dimensions	300 x 100 x 20 mm
Weight	Approximately 0.1 kg

Easy Installation and Maintenance

The cover installs quickly without requiring tools or special skills. Its snap-fit design secures the Siemens 6ES7791-2BA20-8AA0 firmly to the Field PG housing. Users can clean the cover easily with standard industrial cleaning wipes. Furthermore, the cover’s transparent window remains clear for long-term visibility of diagnostic LEDs.

Applications and Industries

This accessory serves professionals using Field PG devices in harsh industrial settings. It commonly appears in automotive plants, oil refineries, and food processing facilities. The cover also supports offshore and mining operations. Its robust design protects the programming device during field service and maintenance tasks.