Labconco FreeZone Stoppering Tray Dryers 79480 Series User Manual
Page 35
Chapter 6: Using The RS232 Receptacle
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31
The time between data transmissions may be varied by the user to occur at 10, 30,
60, 300 or 600 second intervals. Press the MENU button on the Freeze Dryer
base unit until the RS232 screen appears on the display.
Press select until the desired time interval is shown.
The format of the transmitted message with typical values is as follows:
Where:
B
= Base Unit
T
= Collector Temperature
-48
= Collector Temperature in °Celsius
V
= Vacuum
18
=Vacuum Level in Micro Bars
SF
= Shell Freezer Temperature (if so equipped)
-41
= Shell Freezer Temperature in °C
C
=Vacuum Chamber Temperature (if so equipped)
9
=Feature not installed or out of range
PG
= Purge (if so equipped)
1
= ON
0
= OFF
TD
= Tray Dryer
PR
= Program
1
= Program 1 is selected
S
= Segment
3
= Segment 3 is operating
R
= Segment is in Ramp Mode
H
= Segment is in Hold Mode
TR
= Time Remaining of the current Hold Segment
5678
= Time Remaining in Hours
ST
= System Temperature
-40
= System Temperature in °C
P1
= Probe 1 Temperature
-39
= Probe 1 Temperature in °C
P2
= Probe 2 Temperature
999
= Probe not connected or temperature is out of range
P3
= Probe 3 Temperature
-37
= Probe 3 Temperature in °C
V
= Vacuum at Stoppering Tray Dryer
537
= Vacuum in Micro Bars
RS-232 TRANSMISSION RATE
10
SECONDS
B