Serial LCD for your instrument, controller or computer. Multiple connection options for power, keypad, and 1200-9600bps RS-232-style serial.
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Power Requirements | 4.8 to 5.5Vdc at 10mA (60mA backlight on) |
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Serial Inputs (electrical) | RS-232 (±15V OK), (non)inverted TTL (separate inputs) |
Serial Input (logic/data) | Inverted, 1200-9600bps |
User Connectors | two 8-pin headers/one 3-pin: 0.025in. posts on 0.10in. centers |
J1 Power I/O Pinout | [Gnd] [+9V] [+5V] [TTL-serin] [TTL-serout] [Keystrobe] [Buzz+] [Buzz-gnd] |
J2 Keypad Pinout | [row4] [row3] [row2] [row1] [col4] [col3] [col2] [col1] |
J3 RS-232 Pinout | [serout] [serin] [Gnd] |
Operating Temp. | 0° to 50° C (32° to 122°F) |
Display Type | STN Character LCD, 4 lines x 20 characters |
Character Size | 5x7 pixels, 4.00mm (0.16in.) height |
Overall Size (wxhd) | 77x47x28mm (3.03x1.85x1.1in.) |
Add'l Info Link | TRM-425L User Manual |
TRM-425L understands traditional control codes, such as Tab
LF/CR
FF/Clear
Backspace
etc. Additional features are mapped to other control codes or Escape
sequences.
The display also accepts instructions that store and recall up to 95 full screens of text and configure the operation of the matrix-keypad input. With 4 rows/columns, the keypad input can read up to 16 keys wired in the common matrix layout.
Printing Position | Home, Tab, Linefeed, Carriage Return, Vtab, Set-Position (ctrl-P) |
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Print Using 4-line-tall Characters | Begin Big Printing (ctrl-B), End Big Printing (ctrl-C) |
Clear Screen (all or part) | Backspace, Clear Screen, Right-align (ctrl-R) |
LED Backlight | Backlight On (ctrl-N), Off (ctrl-O) |
Store Configuration, Full-Screen Text | Write Config Options (ESC W#), Store Screen (ESC X#) |
Define or Store Custom Characters (8) | Load Bitmap (ESC D#), Save Custom Chars to EEPROM (ESC x#) |
Recall Full-Screen Text or Custom Chars | Write Config Options (ESC E#), Store Screen (ESC e#) |
Add'l Info Link | TRM-425L User Manual |