Serial LCD+2 Technical Data
 

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
 
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
Set Baud rate 191=2400, 95=4800,
47=9600, 31 = 14,400, 23 = 19200, 15=28800 11=38400, 7=57600
Ctrl-V + 1Byte
22
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
Download LCD+ Settings
     
Current Version
View Manual: LCD+2Users Guide1.0.pdf
 
     
Old LCD+ Version
View Manual: LCD+ Guide.PDF