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Protocol

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Protocol

This is a Communication Control Block (CCB) parameter. It occupies byte 0 in the CCB.

When the CCB is activated with a ComSetCCB, the specified protocol is activated and takes charge.

Protocol assignments are:

0

SPLatLink
1

ModBus RTU slave
2

ModBus RTU master
3

User programmable
   

Note that a protocol other than SPLatLink cannot be invoked (switched to) in the first 10 seconds after a reset.