Delta AS Series Programming Manual page 1082

PLC Parameter Setting → Ethernet-Advanced → Socket → TCP/UDP Socket Connection and Setting

sockets to be used
7. Refer to the SCONF instructions (API 2209) for more on the TCP and UDP Socket parameters.
8. If you need to send several data separately, you can use this new functionality: S
or later). The first device in the receiving destination is stored with the length of the data to be received, and the data
to be received is stored from the second device and on. If you need to receive another data, you can clear the value
in the first device and start another data transmission.
9. When the TCP Socket (S
Start
S
3
Mode
Client 1 or 3
Server 0 or 2
Note: New modes 2 and 3 are available for V1.06.30 or later. New modes use the first device in the receiving destination
to store the length of the data to be received. You can use the value here to determine if the receiving is complete. For
modes 0 and 1, no length of data will be recorded.
= 1) is opened, use the following settings for S
1
Local
Remote IP Communicatio
n Port
Specific IP
Not equal to 0
address
Specific IP
Not equal to 0
address
Any value 0
0.0.0.0 Any value
Specific IP
0
address
Specific IP
Not equal to 0
address
0.0.0.0 0
0.0.0.0 Not equal to 0
Any value Any value
Ch ap te r 6 Ap pl ie d Instruc ti ons
= 2 or 3 (available for V1.06.30
3
, the Socket IP and communication ports.
3
Remote
Communicatio
n Port
Specifies IP address, local and
Not equal to 0
remote communication port
Specifies IP address, but not local
0
communication port
Any value
Illegal; when PLC CPU is in Client
mode, the Server communication port
and IP address should be appointed.
Any value
Specifies IP address, but not remote
Not equal to 0
communication port
Specifies IP address and local
Not equal to 0
communication port
Not specify IP address and local
Not equal to 0
communication port
Not specify IP address, but to specify
Not equal to 0
remote communication port
Illegal; when PLC CPU is in Server,
0 the Server communication port should
be appointed.
Description
6 - 8 0 3
6_ 6