21
CANNON
®
CT-2000 Constant Temperature Bath
Revision 1.0g—February, 2012;
CANNON
®
Instrument Company
2139 High Tech Road • State College, PA 16803 • USA
General Bath Offset
The General Bath Offset is a protected function of the CT-2000. This
option is a global adjustment which is made at the factory by
CANNON
®
. In rare instances when this setting may need to be altered,
the adjustment should be made in consultation with an authorized
CAN-
NON
®
representative.
Communication options
Several communication options between the CT-2000 and your computer
may be configured from the
MENU
keypad option.
Change Port Speed
This option provides a speed setting for data transfer between the CT-
2000 and a computer via the RS-232C connection. Select the baud rate
(the default for most software is 9600) in bps (bits per second) from one
of the following options:
1. 1200
4.
19.2k
2. 2400
5.
38.4k
3. 9600
Keypad sequence (from initial LCD temperature display):
[MENU] [3] [ENTER] [1] [ENTER] [input speed choice (1-5)]
[ENTER]
Mode
The
MODE
keypad option permits RS-232C or RS-485 communication
options.
The CT-2000 is equipped with a full-duplex RS-232C point-to-point
interface as well as a half-duplex RS-485 network interface. Commands
and Queries may be sent to the CT-2000 via either interface. Responses
and Reports may be received by the master controlling computer.
Interface information
This interface is configured as 8 data bits with no parity and one stop bit.
The mode of operation, polled (multi-drop) or point-to-point, can only be
configured via the front panel menu.
Procedure
To select the
MODE
option, press
2
from the
COM Setup
menu.
KEYPAD SEQUENCE (from initial LCD temperature display):
[MENU] [3] [ENTER] [2] [ENTER]
