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Serial
LCD+2 Technical Data
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| General Data |
| Power Requirements | 5 to 15V dc @ 9mA (200mA max backlight on) |
| Serial I/O | RS232 or Inverted TTL (2400 to 57,600 8,N,1) |
| ADC input Leakage | 50nA Typical |
| Relay Driver Outputs | 500mA max per output |
| Keypad Input | 4x4 Matrix type |
| LCD type | 4 x 20 Supertwist |
| Temperature limits | 0° to 55° C Operating and -10° to 65° storage |
| Dimensional Data |
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| Command Function Set |
| Control Code |
Hex Value
|
Function
|
| Ctrl-A |
01
|
Cursor home |
| Ctrl-B + 1Byte |
02
|
Set Backlight Brightness (Value 0 to 255) |
| Ctrl-C + 1Byte |
03
|
Set Contrast (Value 0 to 255) |
| Ctrl-D |
04
|
Hide cursor |
| Ctrl-E |
05
|
Underline cursor |
| Ctrl-F |
06
|
Block cursor |
| Ctrl-G |
07
|
Sound Bell/Buzzer |
| Ctrl-H |
08
|
Backspace |
| Ctrl-I |
09
|
Horizontal tab (mod 4) |
| Ctrl-J |
10
|
Line feed |
| Ctrl-K |
11
|
Reverse line feed |
| Ctrl-L |
12
|
Form feed clear screen |
| Ctrl-M |
13
|
Carriage return |
| Ctrl-N |
14
|
Backlight on |
| Ctrl-O |
15
|
Backlight off |
| Ctrl-P + 1Byte |
16
|
Cursor position (Value 0 to 80) |
| Ctrl-Q |
17
|
Clear a column |
| Ctrl-R + 1Byte |
18
|
Relays (Value 0 to 255) |
| Ctrl-S + 8Bytes |
19
|
Define graphic |
| Ctrl-T + 16Bytes |
20
|
Download Keypad key tags |
| Ctrl-U + 1Byte |
21
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Set Baud rate 191=2400, 95=4800, 47=9600, 31 = 14,400, 23 = 19200, 15=28800 11=38400, 7=57600 |
| Ctrl-V + 1Byte |
22
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Get ADC voltage 2Bytes returned |
| Ctrl-W + 1Byte |
23
|
Change Bell frequency (Value 0 to 255) |
| Ctrl-X + 1Byte |
24
|
Keypad modes |
| Ctrl-Y |
25
|
Read external 8 digital pins (1Byte returned) |
| Ctrl-Z |
26
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Download LCD+ Settings |
| Current Version | ||
Old LCD+ Version |
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