The connection setup is done via the send block CTV or CTV_P. All communication parameter will be encrypted in the address connector AT.
|
Connection |
Meaning |
Description |
|---|---|---|
|
CTS |
HW connection |
Connected to CP51M1 |
|
AT |
Address |
See below |
|
MOD |
Channel mode |
R = Refresh (recommended)H = Handshake |
|
EN |
Enable |
Transmit trigger |
|
NBY |
No of Bytes |
Telegram buffer length |
|
PTR |
Buffer indicator |
Indicator on telegram buffer |
|
QTS |
Block status 1 |
1 = OK |
|
YEV |
Block status 2 |
Coupling status: 0 = OK |
|
YTS |
Block status 3 |
Additional information |
Structure address connector AT
|
'aaaaaaaa.b-ccccc.dddddddddddd-eeeee' with |
|
|
aaaaaa: |
unique channel name, max. 8 characters |
|
b: |
'T' stands for TCP, 'U' stands for UDP |
|
ccccc: |
local port number, freely selectable, unique, 5 digit with leading zeros |
|
dddddddddddd: |
remote IP address, decimal representation but without full stop, with leading zeros |
|
eeeee: |
remote port number, has to match ibaPDA interface, 5 digit with leading zeros |
Example: "TCPPDA01.T-31000.192168080203-04171"
|
TCPPDA01 |
Channel name |
|
T- |
TCP connection |
|
31000 |
local port number |
|
192168080203 |
Remote IP address 192.168.80.203 |
|
04171 |
remote port number 4171 |
Example: "UDPPDA014.U-31003.192168080203-04171"
|
UDPPDA01 |
Channel name |
|
U- |
UDP connection |
|
31003 |
local port number |
|
192168080203 |
Remote IP address 192.168.80.203 |
|
04171 |
remote port number 4171 |
Other documentation |
|
|---|---|
|
Further information can be found in the manual "SIMATIC TDC – System and Communication Configuration D7-SYS"(Siemens AG). |
|
