Carrier 69NT40-561-300, Operation And Service Manual

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T-365 4–22
During DataCORDER power-up, while using battery-pack power, the controller will perform a hardware voltage
check on the battery. If the hardware check passes, the controller will energize and perform a software battery volt-
age check before DataCORDER logging. If either test fails, the real time clock battery power-up will be disabled
until the next AC power cycle. Further DataCORDER temperature logging will be prohibited until that time.
An alarm will be generated when the battery voltage transitions from good to bad indicating that the battery pack
needs recharging. If the alarm condition persists for more than 24 hours on continuous AC power, it indicates that
the battery pack needs replacement.
4.8.9 Pre-Trip Data Recording
The DataCORDER will record the initiation of a Pre-trip test (refer to Section 5.8 ) and the results of each test
included in Pre-trip. The data is time-stamped and may be extracted via the Data Retrieval program. Refer to Table
4–6 for a description of the data stored in the DataCORDER for each corresponding Pre-trip test.
4.8.10 DataCORDER Communications
Data retrieval from the DataCORDER can be accomplished by using the DataLINE, DataBANK Card, or a commu-
nications interface module.
NOTICE
A DataLINE or a communications interface module display of Communication Failed is caused
by faulty data transfer between the DataCORDER and the data retrieval device.
Common causes include:
1. Bad cable or connection between DataCORDER and data retrieval device.
2. PC communication port(s) unavailable or mis-assigned.
Configuration identification for the models covered herein may be obtained on the Container Products Group Infor-
mation Center by authorized Carrier Transicold Service Centers.
a. DataLINE
The DataLINE software for a personal computer is supplied on both floppy disks and CD. This software
allows interrogation, configuration variable assignment, screen view of the data, hard copy report genera-
tion, cold treatment probe calibration and file management. Refer to Data Retrieval manual 62-10629 for a
more detailed explanation of the DataLINE interrogation software. The DataLINE manual may be found on
the internet at www.container.carrier.com.
b. DataBANK Card
The DataBANK™card is a PCMCIA card that interfaces with the controller through the programming slot and
can download data at a fast rate. Files downloaded to DataBANK card files are accessible through an Omni
PC Card Drive. The files can then be viewed using the DataLINE software.
c. Communications Interface Module
The communications interface module is a slave module, which allows communication with a master central
monitoring station. The module will respond to communication and return information over the main power line.
With a communications interface module installed, all functions and selectable features that are accessible
at the unit may be performed at the master station. Retrieval of all DataCORDER reports may also be per-
formed. Refer to the master system technical manual for further information.
4.8.11 USDA Cold Treatment
Sustained cold temperature has been employed as an effective postharvest method for the control of Mediterra-
nean and certain other tropical fruit flies. Exposing infested fruit to temperatures of 2.2°C (36°F) or below for
specific periods results in the mortality of the various stages of this group of insects.
In response to the demand to replace fumigation with this environmentally sound process, Carrier has inte-
grated Cold Treatment capability into its microprocessor system. These units have the ability to maintain supply
air temperature within one quarter degree Celsius of set point and record minute changes in product tempera-
ture within the DataCORDER memory, thus meeting USDA criteria. Information on USDA is provided in the fol-
lowing sub-paragraphs.