Labconco FreeZone 6 Liter Benchtop Freeze Dry Systems 77520 Series User Manual
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Product Service: Domestic 1-800-522-7658, International 816-333-8811
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The operation of the Freeze Dryer can be monitored using a
computer when it is connected to the RS232 receptacle on the rear
panel. The computer cannot control the operation of the Freeze
Dryer. The monitored parameters are the collector temperature in
°C and vacuum in microbars.
When a Labconco Stoppering Tray Dryer is connected to a
Labconco Freeze Dryer as detailed in the Stoppering Tray Dryer
User’s Manual, the status of the Stoppering Tray Dryer may be
monitored simultaneously with the status of the Freeze Dryer.
Computer Connection for
Computer Interface
Check your computer to see which type of serial port is provided,
then use a connecting cable below:
1. Computers with a 25 pin D-sub male serial connector
should use Connect Cable, Labconco part number 7537801,
to connect a computer to the Labconco Freeze Dryer.
2. Computers with a 9 pin D-sub male serial connector should
use Connect Cable, Labconco part number 7537800, to
connect a computer to the Labconco Freeze Dryer.
The purpose of the RS232 interface is to send data to a data
logging computer to monitor the state and activity of the Freeze
Dryer. This data is half duplex data. The data properties are as
follows: