Section 1. Setting Up the Network and Communicating with the Datalogger
PC208W, Version 3.3, Instruction Manual
1-3
failed call was 9:00 a.m. and the Primary Retry Interval was set to 5
minutes, on the first retry the "Next Time to Call" will be set to 9:05 a.m.,
plus the few seconds it took for PC208W to determine the call failed.
•
If a scheduled call fails and the "Retries Using Primary Interval" is set to 0
or the number of Primary Retries has been exhausted, the "Next Time to
Call" will be some multiple of the "Secondary Retry Interval" added to the
regularly scheduled "Next Time to Call", such that the "Next Time to Call"
is in the future.
•
If the "Primary Retry Interval" is 0 and "Retries Using Primary Interval"
have not been exhausted, the "Next Time to Call" is set for the time the
last call failed (i.e., zero seconds after the failure, and the next primary
retry may begin immediately).
•
If the "Retries Using Primary Interval" is set to 0, no primary retries will
be attempted and the next time to call is determined by the "Secondary
Retry Interval."
•
If the "Secondary Retry Interval" is set to 0, once the Primary Retries are
exhausted, the "Next Time to Call" is set by adding some multiple of the
"Calling Interval" to the last time a regularly scheduled call was to begin,
such that the “ Next Time to Call” is in the future.
PC208W also allows you to set up other DOS or Windows programs to be run
at scheduled times. These programs are referred to as TASKS. To set up a task
to be run, press the Add Task button. On the HARDWARE tab, you can enter
a unique name for the task to be run in the "Task Name" field. In the "Name of
Program to Start" field, enter the command line for the program, batch file, or
DOS command you want to execute. On the SCHEDULE tab, enter the
"Calling Interval" for the task and ensure the "Schedule On" box is checked.
You will notice a list-box on all of the SCHEDULE tabs called “ After Call Do” .
If you select the name of a device or Task from the Device Map, that device will
be called or Task executed after the first Device is called (only for Scheduled
Calls). In this way, you can set up a sequence of calls to dataloggers, or run
other programs after that call (such as data processing applications like SPLITR).
Note that the After Call Do function is executed regardless of whether the first
call is “ successful” .
1.2.3 Device Map Notes
The Device Map provides a pictorial representation of how each device is
connected in your communications link. "Parent" and "child" connections are
shown by right angle lines which connect the components, and the child
components are indented beneath the parent component to help depict the
logical order of the connection.
Summary of Contents for PC208W
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