ELC500 Control unit
51
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Settings of TCP ULP timeout and TCP resend timer
With TCP/IP communication, it resends command at setting times automatically as below.
Number of resend = TCP ULP timeout / TCP resend timer
Ex.) TCP ULP timeout: 30-sec TCP resend timer: 10-sec
TCP ULP = 30 sec.
TCP resend timer = 10 sec
0
10
20
30
↓
↓
↓
↓
Send 1
st
Send 2
nd
Send 3
rd
Send 4
th
Resend 30/10 sec = 3 times
Point
If you increase the number of resend, it will reduce a communication error.
Take measures by PC side too.
Up to 12 times can be set. It doesn’t resend it in case of using UDP/IP.