About Cmd7-Request Status - Texas Instruments CBL Manual Book

About CMD7—Request Status
CMD7 Operations
creates a data list of CBL status information, which can then be
CMD7
sent to a calculator. The only element in the list is a 7.
List Syntax
{7}
Request Status
This command creates a list showing system status and sets up the CBL
to clear any displayed error messages. The following items are created in
the list:
¦
Device code: 1 (device code identifier)
¦
Last error code: 0–99 (0=no errors)
¦
AutoIDENT
(999 Kohms = open)
¦
List of all active channels
To create a list showing the system status of the CBL and to clear any
error messages, send a
condition except
list is retrieved.
Note: If an error condition exists, the CBL will not respond to calculator
commands (except
Pressing P or sending an All Clear command (
any error condition and displayed error message.
Request Status Example
{7}üL
Send(L)
Get(L)
Note: The list created by
calculator until the next command invalidates the list. Therefore, you
should retrieve this list immediately following a Request Status
command.
54 CBLé System Guidebook
resistance values for
, and then retrieve the list. Any error
CMD7
POS (Power-on Short, page 57) is cleared, when the
CMD0 or CMD7
Send CMD7
list and set up the CBL to clear any displayed error
messages.
Retrieve the list created by
in the calculator. Clear any active error messages
from the CBL display.
CMD7
, ,
CH1 CH2 CH3
) until the error condition is cleared.
to the CBL to create a system status
CMD7
is available for retrieving into a
, and in Kohms
CH11
CMD0 ) also clears
and store it to L
1