Siemens 6ES7591-1AA00-0AA0 Display

The Siemens 6ES7591-1AA00-0AA0 serves as a replacement display for SIMATIC S7-1500 CPUs. This spare part allows operators to restore local HMI functionality after screen damage or failure. The display provides clear visualization of process variables and diagnostic messages directly on the CPU module.

Technical Specifications

Parameter	Specification
Product Type	Spare part display
Compatibility	SIMATIC S7-1500 CPUs (with display port)
Display Technology	TFT (thin-film transistor)
Screen Size	4.3 inches (diagonal)
Resolution	480 x 272 pixels (16:9 aspect)
Color Depth	65,536 colors (16-bit)
Backlight Type	LED (white)
Backlight Life	50,000 hours (half-brightness)
Touch Interface	Resistive touch (optional configuration)
Dimensions (W x H x D)	105 x 70 x 30 mm
Weight	0.15 kg
Internal Components	1 x LCD panel, 1 x LED driver, 1 x touch controller
Connector Type	16-pin flat ribbon cable (flex)
Power Supply	3.3V DC (from CPU backplane)
Power Consumption	< 2W (typical)
Operating Temperature	0°C to +60°C
Storage Temperature	-20°C to +70°C
Protection Class	IP20 (front), IP00 (rear)
Mounting	CPU front panel (plug-in)
Approvals	CE, UL, CSA, ATEX (Zone 2)

Direct Replacement for Damaged S7-1500 Displays

The Siemens 6ES7591-1AA00-0AA0 directly replaces the original display on S7-1500 CPUs. This spare part restores full local visualization without replacing the entire CPU module. Users can install the new display in minutes using standard tools. The unit provides identical functionality to the factory-installed screen.

High-Resolution TFT for Clear Process Visualization

The 4.3-inch TFT display delivers sharp 480 x 272 pixel resolution for detailed graphics. This high pixel density shows alarms, trends, and status messages with excellent clarity. The screen renders 65,536 colors for intuitive status recognition through color coding. LED backlighting ensures consistent brightness across the entire viewing area.

Resistive Touch Interface for Local Operation

The optional resistive touch interface allows operators to navigate menus directly on the CPU. Users can acknowledge alarms, view diagnostic buffers, and adjust parameters locally. The touch controller processes input with minimal latency for responsive operation. This local interface reduces the need for external HMIs during commissioning.

Low Power Consumption and Long Backlight Life

The display consumes less than 2W from the CPU’s 3.3V backplane supply. This minimal power draw does not affect the CPU’s thermal performance. The LED backlight provides 50,000 hours of operation to half-brightness. This longevity matches the typical service life of the S7-1500 CPU.

Compact Lightweight Design

The spare part display measures 105 x 70 x 30 mm and weighs only 0.15 kg. This compact size maintains the original CPU footprint after replacement. A 16-pin flex ribbon cable connects the display to the CPU’s internal interface. Users can install the unit without special tools or training.

Wide Operating Temperature Range

The Siemens 6ES7591-1AA00-0AA0 operates reliably from 0°C to +60°C ambient. This range covers most industrial control room and cabinet environments. Storage temperatures from -20°C to +70°C ensure long shelf life for spare inventory. The display carries ATEX Zone 2 approval for potentially explosive atmospheres.