Product
20x4 RS232 Character LCD
Part Number: CFA635-TFK-KS
Communications Interface- Full-Swing RS232 Serial Interface
- Robust packet based communications protocol with 16-bit CRC
- FSTN Positive
- Transflective
- -20°C to +70°C Operating Range
- 12:00 viewing angle
- White LED Edge Lit Backlight
- Characters are contiguous in both X and Y directions to allow the host software to display "gap-less" bar graphs in horizontal or vertical directions
- Translucent silicon with silkscreened legend
- 6 fully decoded buttons: any key combination is valid and unique
- White LED Backlit
- Optional ATX power supply control functionality allows the buttons on the CFA-635 to replace the "power" and "reset" buttons on your system, simplifying your front panel design.
- Customize the "power-on" display and LED settings
- 16-byte "scratch" register for storing IP, netmask, system serial number
- Four bi-color (red + green) LEDs. The LEDs’ brightness can controlled by the host software, which allows mixing the LEDs to produce other colors (yellow and orange)
- Compact size: fits in a 1U rack mount case (37mm overall height)
- Optional 5.25" half-height LCD drive bay kit. (Available when adding to cart.)
- Optional hard drive mounting tray (SLED) which allows you to mount a hard drive behind the display, saving valuable space in your enclosure and providing space for your display, System Cooling Accessory Board (FBSCAB) and a 3.5" disk drive. (Available when adding to cart.)
Product Variants
- square_foot Physical Characteristics
Physical Characteristics
Characters x Lines 20 x 4 Module Overall width height depth millimeters 142 37 20.8 inches 5.59 1.46 0.82 *depth doesn't include Keypad Diagonal Dimension 3.19" Viewing Area Width Height millimeters 82.95 27.5 inches 3.27 1.08 Active Area Width Height millimeters 77.95 22.35 inches 3.07 0.88 Character Size Width Height millimeters 3.2 4.85 inches 0.126 0.191 Character Pitch Width Height millimeters 3.84 5.6 inches 0.151 0.220 Dot Size Width Height millimeters 0.6 0.65 inches 0.024 0.026 Dot Pitch Width Height millimeters 0.65 0.7 inches 0.026 0.028 Weight 66g Keystroke Travel 2.4mm - visibility Optical Characteristics
Optical Characteristics
Glass Type/Glass Color FSTN/Light Gray Polarizer Transflective View Direction 12 o'clock Sunlight Readable Yes Backlight Color White Backlight Type LED Mode Positive Foreground Color Dark Background Color Light Gray - electric_bolt Electrical Specification
Electrical Specifications
Module Connector Pitch 2.54mm - nature Enviromental
Environmental
Operating Temperatures min max Celsius -20° 70° Fahrenheit -4° 158° Storage Temperatures min max Celsius -30° 80° Fahrenheit -22° 176° Humidity min max Non-condensing 0% 90% - cable Electronics
Electronics
Interface RS232 -
picture_as_pdf Datasheets
-
download Files and Downloads
-
assured_workload Compliance Documents
Part Change Notice
Subscribe to Part Change Notices by email or RSS
- text_snippet
Part Change Notice #11248: H1 and H2 Header Change
- text_snippet
Part Change Notice #11244: LED and H1 Header Change
- text_snippet
Part Change Notice #11044: CFA635 Firmware Version 2.6 is now available
- text_snippet
Part Change Notice #10901: CFA635 series firmware revision 2.4 release.
- text_snippet
Product Update #10880: CFA635 series firmware revision 2.3
- text_snippet
Product Update #10870: CFA635 series Hardware revision 1.5
- text_snippet
Product Update #10869: CFA635 series firmware revision 2.1