ELC500 Control unit
50
[Initial setting value]
IP Address
192.168.1.5
Subnet mask
255.255.255.0
Default gateway
192.168.1.1
Click [Advanced setting], you can set timer value and timeout value for each item.
Item
Description
(a) TCP ULP timeout
value
Set packet alive time for data transmission.
TCP ULT time out value should be multiple of TCP resend time
value.
If it is not multiple value, set rounded up value.
<Initial> 5
<Set range> 1 to 65535 (every 100ms)
(b) TCP zero window
timer value
Set time until resending the reception window size confirmation
packet, when the reception window size of the connected node
reached 0.
<Initial> 5
<Set range> 1 to 65535 (every 100ms)
(c) TCP resend timer
value
Set time until resending data, when the connected node doesn’t
send ACK.
<Initial> 5
<Set range> 1 to 65535 (every 100ms)
(d) TCP end timer value
Set waiting time until processing to open on the same port again
when own node executed closing process to TCP.
<Initial> 20
<Set range> 1 to 65535 (every 100ms)
(e) IP assembly timer
value
Set waiting time to receive the divided data when IP received
divided data.
<Initial> 3
<Set range> 1 to 65535 (every 100ms)
(f)
TCP terminator
detection timer value
Set time to monitor an arrival of next segment when receiving
divided TCP segment.
When it doesn’t receive the next during this time, it is assumed that
TCP reception is completed.
<Initial> 20
<Set range> 1 to 65535 (every 1ms)
For the values for timer and timeout, refer to the followings.
<Setting conditions>
- TCP end timer value
≧
TCP ULP timeout value
≧
TCP resend timer value
- TCP zero window timer value
≧
IP assembly timer value
(a)
(b)
(c)
(d)
(e)
(f)
