DataKinetics DSC110 / DSC210 User Manual Issue 12
Page 38
7.4 Command Formats
To allow easy command recognition and familiarisation, all the commands share a
common five character format:
XXYYZ
where:
XX = Command
group
YY
=
Function within group
Z = Operation
code
The following operation codes are used:
C = Change
E = End
I = Initiate
P
=
R = Remove
S = Set
Note that the term “print” refers to output to the serial port in use for the dialogue
procedure.
7.5 Command Entry
Each character entered is echoed to the operator’s terminal. The BS or DEL
character may be used to delete characters entered within the current line. This
will cause the converter to output the sequence BS space BS. On a visual display
terminal, this will have the effect of deleting the last character entered from the
display.
Commands may be entered whenever the command prompt has been output.
Commands are terminated by a semicolon ; followed by CR. Commands may
exceed one line on the terminal but may not exceed 100 characters.
If a command takes parameters, a colon is used to separate the command from
the parameters. A comma is used to separate multiple parameters.
To ensure correct operation of the character deletion, the maximum number of
characters entered on a single command line should be no greater than the
number of characters that can be displayed on a single line of the terminal (to
prevent text “wrap around”). If a command is longer than one line, each line before
the last should be terminated with a complete parameter value followed by a
comma and CR. The command may then continue on the next line.
A partially entered command may be aborted using the CAN character. The
system will output an indication that the command has been aborted, followed by
a prompt for new command input. The CAN character may also be used to abort
an output listing on the operators terminal.
