Hanna Instruments HI 255 User Manual

Page 39

Data transmission from the instrument to the PC can be done with the

HI 92000 Windows

compatible software (optional). HI 92000 also offers

graphing and on-line help feature.

Data can be exported to the most popular spreadsheet programs for further

analysis.

To connect your instrument to a PC, use the optional Hanna HI 920010 cable

connector. Make sure that your instrument is switched off and plug one

connector to the instrument RS232C socket and the other to the serial port of

your PC.
Note: Other cables than HI 920010 may use a different configuration.

In this case communication between instrument and PC may not

be possible.

If you are not using Hanna Instruments HI 92000 software,

please see the following instructions.

SENDING COMMANDS FROM PC

It is also possible to remotely control the instrument with any terminal

program. Use HI 920010 cable to connect the instrument to a PC, start the

terminal program and set the communication options as follows: 8, N, 1, no

flow control.
COMMAND TYPES
To send a command to the instrument the scheme is:

where:

is a selectable ASCII character

between 0 and 47.

is the command code (3 characters).

Note: Either small or capital letters can be used.
SIMPLE COMMANDS
RNG

Is equivalent to pressing RANGE

CAL

Is equivalent to pressing CAL

CFM

Is equivalent to pressing CFM/GLP

UPC

Is equivalent to pressing the UP arrow key

DWC

Is equivalent to pressing the DOWN arrow key

SET

Is equivalent to pressing SET/CLR

LOG

Is equivalent to pressing LOG

MMD

Is equivalent to pressing MODE

CHR n

Change the instrument range according with the parameter

value (n):

n=0 pH range/0.01 resolution

PC INTERFACE