Yokogawa DR240 - Manual (Page 12)

2-2 IM DR231-11E
Commands Applicable to RS-232-C Only
The following commands are only applicable to RS-232-C.
ESC T Trigger Execution
Setting ESC T<terminator>
Description Before executing this command, select the output data using the TS command. The
data selected with the TS command are prepared for output. The data are output
with the FM, LF, CF, MF or RF command.
ESC S Status Output Command
Setting ESC S<terminator>
Description The status for a sent command is output.
ESC R Switch from Local Status to Remote Status
Setting ESC R<terminator>
Description • Panel setting conditions in the local status are retained even if the status is switched
to the remote status.
• When the status is switched to the remote status, no key except DISP can be used.
Panel operation can be done by pressing the DISP key or switching the status to
local using the ESC L command described below.
ESC L Switch from Remote Status to Local Status
Setting ESC L<terminator>
Description The panel setting conditions in the remote status are retained even if the status is
switched to the local status.
Note
• ESC corresponds to hexadecimal code (1B)H.
Status Byte Format
When the status byte output command (ESC S) is received, any of the ER00CRLF to ER03CRLF
status will be output.
ER CrLf
An ASCII character string of a numeral (numerals) shown
inparentheses at the end of any of the following items or
the sum of the numerals of the relevant items is output.
For example, if out-of-chart and timer operation occur,
ER20CrLf is output.
Items not specified with an IM command are invalid and
not included in this status output.
• A/D conversion end (1)
When an A/D conversion for measured data ends, “1” is output.
• Syntax error (2)
If an error occurs in the description of a command, “2” is output.
• Internal timer or time when hourly, daily and monthly reports are created(4)
If any of the 6 timers (1 to 6) or the time for hourly, daily and monthly reports arrives set with
an auxiliary mask operates, “4” is output.
• Storing data or reading data end (8)
When storing data on media, or reading data from media ends, “8” is output.
• Out-of-chart (16)
If out-of-chart is detected, “16” is output.
• Measurement release (32)
If a measurement release is generated while the computation is in progress, “32” is output.
Items Applicable to RS-232-C Only
With RS-232-C, all commands can be acknowledged by ACK output. The ACK output is as follows,
except for the FM, LF, CF, RF and BL commands, whose ACK output will described later on.
E0
: Commands are processed succesfully
E1 : Commands are not processed succesfully
After having sent the output request, make sure to retrieve the data.
2.1 Description of Functions