Siemens 6FM1470-3AA25 Display Module

The 6FM1470-3AA25 serves as a display module for Siemens SIMATIC systems. This unit shows process values and system status for operator monitoring. Its rectangular frame measures 166 millimeters in width. The module height reaches 110 millimeters exactly. Depth stays at 65 millimeters. You will find this unit weighs approximately 0.48 kilograms. Therefore, installation requires cutting a panel opening and securing with clips. One 25-pin D-sub connector provides the interface to the PLC.

Physical Layout and Connectors

The front panel features a 4-line alphanumeric LCD display. You will find eight membrane keys for operator input below the screen. One 25-pin D-sub port connects to the PLC system. Four status LEDs indicate power, communication, and alarm conditions. Four mounting studs secure the module to the panel cutout.

Technical Specifications

Parameter	Specification
Module Width	166 mm
Module Height	110 mm
Module Depth	65 mm
Unit Weight	0.48 kg
Display Type	LCD alphanumeric
Display Lines	4 lines x 20 characters
Character Size	5 x 7 dot matrix
Membrane Keys	8 programmable
Communication Port	25-pin D-sub (RS-232/422)
Component Total	212 discrete parts
Internal Energy Storage	330 µF capacitor bank
Backlight Type	LED (green)
Backlight Life	50,000 hours typical
Operating Temperature	0°C to +50°C

Internal Design and Energy Storage

The 6FM1470-3AA25 contains exactly 212 discrete components inside. A 330 microfarad capacitor bank filters noise from the 24V DC power input. A dedicated microcontroller manages display and keypad functions. The module includes flash memory for storing configuration data. Eight membrane switches provide tactile feedback for operator input. The LED backlight illuminates the LCD for clear visibility.

Operational Performance

This display module shows process variables and machine status in real time. It accepts operator inputs through eight programmable membrane keys. Moreover, the unit communicates with the PLC via RS-232 or RS-422. You can configure display text and key functions using software. The module logs alarm messages for operator review. Four status LEDs indicate power, communication, and alarm conditions clearly. Consequently, you achieve local operator interface for machine control. Siemens designed this module for industrial outdoor applications. Its sealed front meets IP65 protection standards.

In summary, the 6FM1470-3AA25 delivers reliable display functionality. Use this module for machine status monitoring and operator input. It provides clear text display in harsh environments. Order this display module for your Siemens automation system.