6 U02124ML-01-UK
Various control characters are also used :-
ASCII
CODE
ACTION
03 ETX : Stops the module receiving further data except code 02
13 XOFF: As per ETX
02 STX : Starts the module receiving data. If the instrument has an
address other than '0' the next character must be the address
of the instrument or it will return to an inactive state
11 XON : As per STX
0D END OF DATA: In shift mode next valid data will clear the
display and insert character into least significant position. In
strobed mode, the message is transferred to the display.
20 Inserts a space
2D Inserts a negative sign (-)
2E Adds a decimal point to the last character entered
0C Blank Display
1B Resets to Power-up condition
Figure 3-2 Control Characters
All other characters are invalid and will be ignored.
3.3 EXAMPLE MESSAGE
An example would be to write the message "Lo -1.5" to module set at
address
04.
This message would be sent as follows :-
(This assumes the display to be in the inactive state i.e. having previously
received a 03 or 13 code or else in the powered-up condition).
02 Activate module
34 Module address
4C
L
4F O
20 Space
2D Negative sign
31 1
2E Adds decimal point
35 5
0D Transfer data to display (only needed in strobed mode)
03 Disable module
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