Operating Manual
4.5. The USB interface
The instrument can be connected to a PC through the COM port which is using the USB connection, it can be plugged
directly to the PC’s available USB connection.
1.
We provide USB port COM port driver and installation instructions, the drive can be downloaded from the following
address.
Driver download address:
http://www.ftdichip.com/Drivers/VCP.htm
Installation instructions download address: http://www.ftdichip.com/Support/Documents/InstallGuides.htm
2.
2. RS-232command set
Item
Input / output
Content of
"#"
Meaning
Remarks
Set the equipment parameters
Set temperature
unit
setto #
0
℃
Set temperature out_sp_00
###
Decimal
number
——
Unit:
℃
or
℉
(set by equipment)
Set speed
out_sp_01
###
Decimal
number
——
Unit: RPM
Set state
out_mode_05
#
0
stop
1
start
Timing sending once every 3 seconds, Temperature unit:
℃
, It has nothing to do with the equipment settings
internal control rs ### ###
Decimal
number
Internal temperature,
speed
eg: rs 1000 120 means current Internal
temperature100.0
℃
, speed 120RPM
External control prs ### ###
###
Decimal
number
External temperature,
Internal temperature,
speed
eg: prs 800 1000 120 means current
External temperature 80.0
℃
, Internal
temperature 100.0
℃
, speed 120RPM
Send “status” will return the following information
Current setting
temperature
in_sp_00 ###
Decimal
number
——
Unit:
℃
or
℉
(set by equipment)
Current setting
speed
in_sp_01 ###
Decimal
number
——
Current set
set to#
0
℃
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