Omron CS CJ1W-ETN21 User Manual
Page 140
116
Using Socket Services by Manipulating Dedicated Control Bits
Section 6-7
Parameter Settings
The following table shows the parameters that are required for each service
and the use of the parameters by the socket service.
UDP Socket Services
Note W:
Written by user
RW: Written by user at execution and then read for results at completion
R:
Read by user for results at completion
---:
Not used.
TCP Socket Services
Note W:
Written by user
RW: Written by user at execution and then read for results at completion
Parameter
No. of
words
Range
(decimal values in
parentheses)
Socket service
UDP
open
UDP
receive
UDP
send
UDP
close
Socket option
1
Specified bit
---
---
---
---
UDP/TCP socket No.
0001 to 0008 hexadecimal
(1 to 8)
W
W
W
W
Local UDP/TCP port No.
1
0000 to FFFF hexadecimal
(0 to 65,535)
W
---
---
---
Remote IP address
2
00000000 to FFFFFFFF
hexadecimal
(0.0.0.0 to 255.255.255.255)
---
R
W
---
Remote UDP/TCP port No.
1
0000 to FFFF hexadecimal
(0 to 65,535)
---
R
W
---
Number of bytes to send/receive
1
0000 to 07C0 hexadecimal
(0 to 1,984 bytes)
---
RW
RW
---
Send/Receive data address
2
Memory area address
---
W
W
---
Time out time
(Unit: 100 ms)
1
0000 to FFFF hexadecimal
(0 to 65,535)
(0: No limit, 0.1 to 6,553.5 s)
---
W
---
---
Response code
1
---
R
R
R
R
Parameter
No. of
words
Range
(decimal values in
parentheses)
Socket service
TCP
passive
open
TCP
active
open
TCP
receive
TCP
send
TCP
close
Socket option
1
Specified bit
W
W
---
---
---
UDP/TCP socket No.
0001 to 0008 hexadecimal
(1 to 8)
W
W
W
W
W
Local UDP/TCP port No. 1
0000 to FFFF hexadecimal
(0 to 65,535)
W
RW
---
---
---
Remote IP address
2
00000000 to FFFFFFFF
hexadecimal
(0.0.0.0 to 255.255.255.255
RW
W
---
---
---
Remote UDP/TCP port
No.
1
0000 to FFFF hexadecimal
(0 to 65,535)
RW
W
---
---
---
Number of bytes to send/
receive
1
0000 to 07C0 hexadecimal
(0 to 1,984 bytes)
---
---
RW
RW
---
Send/Receive data
address
2
Memory area address
---
---
W
W
---
Time out time
(Unit: 100 ms)
1
0000 to FFFF hexadecimal
(0 to 65,535)
(0: No limit, 0.1 to 6,553.5 s)
W
---
W
---
---
Response code
1
---
R
R
R
R
R