Matrix Orbital GLK12232-25-WBL User Manual
Page 36
![background image](/manuals/414357/36/background.png)
Command
Syntax
Default
Notes
Backlight off
FE 46
254 70
254 ’F’
on
Turns off back-
light.
General purpose output on
FE 56
254 86
254 ’V’
off
Turns the general
purpose
output
ON.
General purpose output off
FE 57
254 87
254 ’W’
off
Turns the general
purpose
output
OFF.
Set I
2
C address
FE 33 [address]
254 51 [address]
254 ’3’ [address]
ox50
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 1-
byte hex value.
Set RS-232 port speed
FE 39 [speed]
254 57 [speed]
254 ’9’ [speed]
19,200
Sets
RS-232
speed.
Enter flow control mode
FE 3A [full] [empty]
254 58 [full] [empty]
254 ’:’ [full] [empty]
off
Sets
"full"
and
"empty"
marks
for the 96 byte
display
buffer.
When
buffer
reaches
[full]
display
will
return
0xFE
to
host.
When
buffer
reaches
[empty]
display
will return 0xFF.
Exit flow control mode
FE 3B
254 59
254 ’;’
Turns
off
flow
control
(buffer
handshaking).
Set Serial Number
FE 34 [byte 1] [byte 2]
254 52 [byte 1] [byte 2]
254 ’4’ [byte 1] [byte 2]
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.
Matrix Orbital
GLK12232-25-WBL
32