Siemens 6ES5685-0UA11 | SIMATIC S5 Programming Unit 9in

Technical Overview of the Programming Unit

The Siemens 6ES5685-0UA11 functions as a portable CRT-based programming unit for SIMATIC S5 PLC systems. This device allows engineers to create, edit, and debug ladder logic programs on-site. It features a built-in CRT display for clear visualization of program structures. The unit combines a keyboard, display, and processor in one mobile housing.

Key Technical Specifications

This section details the exact parameters for the Siemens 6ES5685-0UA11 programming unit. Use these figures when evaluating your programming equipment needs.

Parameter	Specification
Part Number	6ES5685-0UA11
Type	Portable CRT Programming Unit
Product Family	SIMATIC S5
Display Type	CRT Monochrome
Display Size	Approx. 9 inches
Keyboard	Full alphanumeric with function keys
Communication	RS232 / Current Loop Interface
Operating Voltage	230V AC or 24V DC (with adapter)
Dimensions (W x H x D)	Approx. 400 x 300 x 200 mm
Weight	Approx. 12.0 kg
Compatibility	SIMATIC S5-90U, 95U, 115U, 135U, and 155U

Application and System Integration

This programming unit connects directly to the S5 PLC via the serial interface. It enables online program monitoring and real-time debugging of automation logic. The Siemens 6ES5685-0UA11 allows engineers to force I/O points for testing purposes. Its portable design facilitates use in the workshop or directly on the factory floor.

Reliability and Performance Characteristics

The CRT display offers excellent readability under varying lighting conditions. Its robust construction withstands the rigors of field use in industrial environments. The built-in power supply supports both AC and DC sources. Engineers value the Siemens 6ES5685-0UA11 for its dependable performance in S5 system commissioning.