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3-1
T -309
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, the control module & expansion module set
(controller) and interconnecting wiring. The controller
houses the temperature control software and the
DataCORDER Software. The temperature control
software functions to operate the unit components as
required t o provide the desired cargo temperature and
humidity. The DataCORDER software functions to
record unit operating parameters and car go temperature
parameters for future retrieval. Coverage of the
temperaturecontrolsoftwarebeginswith paragraph3.2.
Coverage of the DataCORDER software is provided in
paragraph 3.6.
The key pad and display module serve to provide user
access and readouts for both of the controller f unctions,
temperature control and DataCORDER. The functions
are accessed by key pad selections and viewed on the
displaymodule. The components aredesigned topermit
ease of installation and removal.
TO
DISPLAY
CONTROL MODULE DISPLAY MODULE
KEY PAD
CONFIGURATION
SOFTWARE
CONFIGURATION
VARIABLE
(CnF##)
TEMPERATURE CONTROL SOFTWARE
ALARMS
(AL<70)
PRE--TRIP INTERROGATION
CONNECTOR
DATAREADER
Computer Device
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)
EXPANSION MODULE
C
O
N
T
R
O
L
L
E
R
Figure 3- 1 Temperature Control System