3-1
T -296
SECTION 3
MICROPROCESSOR
3.1 TEMPERATURE CONTROL MICROPRO-
CESSOR SYSTEM
The temperature control Micro-Link 2i microprocessor
system (see Figure 3- 1) consists of a key pad, display
module, controlmodule(controller) andinterconnecting
wiring. The controller houses the temperature control
software and the DataCORDER Software. The
temperature control software functions to operate the
unit components as required to provide the desired
cargo temperature and humidity. The DataCORDER
software functions to record unit operating parameters
and cargo temperature parameters for future retrieval.
Coverage of the temperature control software begins
with paragraph 3.2. Coverage of the DataCORDER
software is provided in paragraph 3.6.
The key pad and display module serve to provide user
accessandreadoutsforboth ofthe controllerfunctions,
temperature control and DataCORDER. The functions
are accessed by key pad selections and viewed on the
display module. The components are designed to
permit ease of installation and removal.
TO
DISPLAY
CONTROLLER MODULE (CONTROLLER)
DISPLAY MODULE
KEY PAD
CONFIGURATION
SOFTWARE
CONFIGURATION
VARIABLE
(CnF##)
TEMPERATURE CONTROL SOFTWARE
ALARMS
(AL<70)
PRE--TRIP
INTERROGATION
CONNECTOR
DATAREADER
Personal Computer
With DataLINE
Software
DataCORDER SOFTWARE
OPERATIONAL
SOFTWARE
FUNCTION
CODE (Cd)
TO
DISPLAY
CONFIGURATION
SOFTWARE
CONFIGURATION
VARIABLE
(dCF## read only)
ALARMS
(AL>69)
DATA
STORAGE
MEMORY
OPERATIONAL
SOFTWARE
FUNCTION
CODE (dC)
TO
DISPLAY
(Scrollback)
Figure 3- 1 Temperature Control System
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