Cannon Instrument CT-2000 (Contant Temperature Bath) - Manual (Page 26)

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CANNON ® CT-2000 Constant Temperature Bath
Revision 1.0g—February, 2012; CANNON ® Instrument Company
2139 High Tech Road • State College, PA 16803 • USA
All Commands or Queries must be preceded by the forward slash (/) and
the selected address (0-9 or A-F). Commands are identified with the
letter C and Queries are identified with the letter Q; these identifiers
follow the address and precede the command or query information. All
Commands or Queries must end with a carriage return (R).
For examples of CT-2000 command and query language, consult the
tables on the following pages.
Downloading firmware The CT-2000 is capable of receiving new operational instructions via
either the RS-232 or RS-485 interface. If the CT-2000 firmware is
updated, and a new release issued by CANNON
® Instrument Company, a
diskette will be sent to the user along with instructions on how to perform
this upgrade.
A “download” push button is located on the rear panel of the CT-2000.
Pressing and holding this button for several seconds places the CT-2000
instrument in the “download” mode.
NOTE If the download button is pushed inadvertently, it may be necessary to
restart the CT-2000.
When the CT-2000 is in the download mode, the front LCD panel will
display the version number for the resident download hardware code and
the operational firmware.