User Manual

Modbus TCP/IP Communications Support DI[D-SE-0030483.1.6]
104 EIO0000001601 Draft 2013/07/17
Ethernet Port Diagnostics
Ethernet port diagnostic data can be accessed at the following Modbus register addresses, relative
to the initial address offset value:
17–18 Ethernet receive frames OK
19–20 Ethernet transmit frames OK
21 number of open client connections
22 number of open server connections
23–24 number of Modbus exception responses
25–26 number of Modbus messages sent
27–28 number of Modbus messages received
29–36 device name
37–38 IP assignment mode capability/operational
Address: Offset + Description
Address: Offset + Description
0 port diagnostics data validity
1 logical/physical port number
2 Ethernet control capability
3 link speed capability
4 Ethernet control configuration
5 link speed configuration
6 Ethernet control operational
7 link speed operational
8–10 port MAC address
11–12 media counters data validity
13–14 number of frames transmitted OK
15–16 number of frames received OK
17–18 number of Ethernet collisions
19–20 detected carrier sense errors
21–22 number of Ethernet excessive collisions
23–24 detected CRC errors
25–26 detected FCS errors
27–28 detected alignment errors
29–30 number of detected internal MAC Tx errors
31–32 late collisions