Matrix Orbital VK202-25 Legacy - Manual (Page 45)

Command Syntax Default Notes
Remember FE 93 [0|1]
254 147
Off Turn the “remem-
ber” function on
[1] or off [0].
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.
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]
N/A This is a one-
time-only com-
mand which
works only on
units without
factory set serial
numbers.
Read Serial Number FE 35
254 53
254 ’5’
N/A Reads the two
byte serial num-
ber of the module.
Read Version Number FE 36
254 54
254 ’6’
N/A Reads the
firmware ver-
sion number of
the module.
Enter flow control mode FE 3A [full] [empty]
254 58 [full] [empty]
254 ’:’ [full] [empty]
Off
R
Sets "full" and
"empty" marks
for the 80 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 ’;’
Off
R
Turns off flow
control.
Matrix Orbital VK202-25 41