6-2
PX 30 and PX 120 Operating Manual
Configuration
The settings for coding, number of BCD-digits per transmission, number of inputs used on
the PX 120, scroll function, display address and character set are carried out in a single
command:
$M:x/y/z/aa/b
x
Coding and number of digits transmitted in parallel in BCD-mode
y
Number of inputs used on the PX 120
z
Scroll function
aa
Text display address
b
Character set
All the characters in this command must be represented.
The $M-configuration instruction (command for changing settings) should be entered in
ADIT DOS under the menu heading "Default Settings", in the line "Max. 40 additional
characters:"
You can also change the default text after power-up in the ADIT DOS default settings,
simply be entering the text number of the replacement text in the line "Replacement text
number for default setting (0 ... 9999):".
The following table illustrates which options are available for changing the settings and
the corresponding command:
Setting
Options
Command
Coding and number of
Binary: x = 0
$M:0/y/z/aa/b
BCD-digits transmitted
BCD 1 digit (10
9
... 10
0
): x = 1
$M:1/y/z/aa/b
in parallel
BCD 2 digits (10
9
... 10
0
): x = 2
$M:2/y/z/aa/b
BCD 3 digits (10
9
... 10
0
): x = 3 *
$M:3/y/z/aa/b
BCD 4 digits (10
9
... 10
0
): x = 4 *
$M:4/y/z/aa/b
BCD 1 digit (10
0
... 10
3
): x = 5 **
$M:5/y/z/aa/b
* only on PX 120
** only in text mode
Number of inputs used
24: y = 0
$M:x/0/z/aa/b
(PX 120)
16: y = 1
$M:x/1/z/aa/b
y is ignored by the PX 30
Scroll function
Both lines scrolled: z = 0
$M:x/y/0/aa/b
Just 2nd line scrolled: z = 1
$M:x/y/1/aa/b
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