Denso BHT-8000 User Manual page 102

Chapter 2 Getting Started the BHT and System Mode
PING Echo Request Send Timing (SEND TYPE)
Two types of echo request send timings are available: TYPE 1 and TYPE 2.
! TYPE 1
After sending an echo request, PING will wait for the period specified by INTERVAL and then send an
echo request again. For TYPE 1, the relationship between the INTERVAL and TIMEOUT should be
"INTERVAL ≥ TIMEOUT."
! TYPE 2
After sending an echo request, PING will wait for an echo reply to be received or for timeout to occur.
After that, PING will wait for the period specified by INTERVAL and then send an echo request again.
For TYPE 2, no relationship between the INTERVAL and TIMEOUT is required.
If PING receives an echo reply:
If timeout occurs:
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