PROBLEM: Ranger Scout does not connect unless powered down.

Last reviewed: June 05, 2003
Article ID: 030605sab

The information in this article applies to:

Ranger Scout 1010, 1020, 1030 etc.

Symptoms

Pronto for Windows produces the following error message when trying to connect to a Scout for playback or the control panel

The Logger is not responding. Check the connections and COM port settings. Then try again.

If the Scout is powered off using the keys the connection usually succeeds.

Cause

The Scout data logger requires the Use Network Address flag to be set in the Logger address book.

Pronto makes three attempts to wake up a Ranger data logger during the connection process. Each attempt starts by setting a break state on the serial line then a delay is followed by a series of bytes that constitute a Wake Up command. The delay between the break and the Wake Up command is about five seconds when the Use Network Address flag is set and only a few milliseconds otherwise. If the Scout is powered down then by luck the third time Pronto sends the Wake Up command happens to occur at the time the Scout starts listening following the five second delay after the second serial break.

Resolution

Set the Use Network Address flag in the Logger address book.

References

None

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