Matrix-orbital LCD/VFD Legacy Manual do Utilizador descarregar pdf (Página 28)

Command Syntax Default Notes

Backlight on FE 42 [minutes]

254 66 [minutes] 254 ’B’

[minutes]

on Backlight will

stay on for [min-

utes]. If [minutes]

= 0 backlight

will stay on

permanently.

Backlight off FE 46

254 70

254 ’F’

on Turns off back-

light.

Load startup screen FE 40 [32 char]

254 64 [32 char]

254 ’@’ [32 char]

Matrix Orbital

LCD4041

Loads new startup

screen (32 char-

acters). Screen

is remembered for

subsequent power

ups.

General purpose output off FE 56

254 86

254 ’V’

off Turns the general

purpose output

OFF.

General purpose output on FE 57

254 87

254 ’W’

off Turns the general

purpose output

ON.

Set I

2

C address FE 33 [address]

254 51 [address]

254 ’3’ [address]

0x50 Value is write ad-

dress and must be

even, read address

is 1 higher.

Read module type FE 37

254 55

254 ’7’

see table Reads the module

type. Returns a 1-

byte value.

Set RS-232 port speed FE 39 [speed]

254 57 [speed]

254 ’9’ [speed]

19,200 baud Sets RS-232

speed.

Set Serial Number FE 34 [byte1][byte2]

254 52 [byte1][byte2]

254 ’4’ [byte1][byte2]

This is a one-

time-use com-

mand which

works only on

units without

factory set serial

numbers.

Read Serial Number FE 35

254 53

254 ’5’

Reads the two

byte serial num-

ber of the module.

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