Overview of Protocols, Sockets \ and Ports¶
| Protocol | Port | Sockets |
|---|---|---|
| ABB netConfig | 24576 | 1 permanent socket per interface |
| 3S gateway client (e.g. IEC 61131-3 editor) to gateway server | 1217 | 1 permanent socket |
| Online access with driver 3S UDP BlkDrvUdp (with scan) | 1740 | 1 socket per connection + 4 listen |
| Online access with driver 3S Block Driver TCP/IP (no scan) | 11740 | 1 socket per connection + 1 listen |
| MODBUS TCP server | 502 or configurable | 1 socket listen + 1 socket per server connection, number of server connections is configurable in AB |
| MODBUS TCP client with POU ETHx_MOD_MAST | Random | 1 socket per connection with POU ETHx_MOD_MAST |
| UDP out of user program with library SysLibSockets.lib | 1 … 65535 | 1 socket per connection |
| TCP/IP out of user program with library SysLibSockets.lib | 1 … 65535 | 1 socket per connection |
| Web server on PLC with web visualization | 80 | 1 listen and 1 per connection |
| SNTP client | 123 | 1 permanent socket |
| IEC60870-5-104 control station | Random | 1 per connection |
| IEC60870-5-104 substation | 2404 | 1 per connection |
| FTP server (see FTP Server Configuration: Configuration of FTP Server | Command port = 21 Data active mode = 20 Data passive mode = random |
1 per session, max. 4 allowed |
| IEC 61131-3 editor network variables | 1202 | (UDP broadcast) |
| OPC DA server (default 3S block driver) | UDP = 1740 or TCP/IP =11740 |
1 socket per connection |
| OPC UA server | 4840 | 1 permanent socket |
| ICMP – ping out of user project with POU ETHx_ICMP_PING DHCP | none | No socket |
| DHCP | 67 | 1 socket during startup |
| SNTP (Simple Network Time Protocol) client system solution (see SNTP Client Configuration: SNTP Client Configuration | 123 | 1 permanent socket |
| SNTP (Simple Network Time Protocol) server system solution (see SNTP Server Configuration: SNTP Server Configuration | 123 | 1 permanent socket |
| HTTPS – secure web server on PLC with IEC 61131-3 editor web visualization (see Secure Web Server: Secure Web Server | 443 | 1 listen and 1 per connection |
| FTPS – secure FTP (see Secure FTP: Secure FTP | Command port = 21 Data active mode = 20 Data passive mode = random |
1 per session, max. 4 allowed |
| Secure Online access with driver 3S UDP BlkDrvUdp | 1740 | 1 socket per connection + 1 listen |
| Secure Online access with driver 3S TCP/IP BlkDrvTcp | 11740 | 1 socket per connection + 1 listen |
| ICMP – ping out of user project with POU ETHx_ICMP_PING or EthIcmpPing (PLCopen style) | None | No socket |
| MODBUS TCP client (master) with POU ETHx_MOD_MAST or ModTcpMast (PLCopen style) | Random | 1 socket per connection with POU ETHx_MOD_MAST or ModTcpMast |