User manual

Ethernet Communication Services
86
33002479 06 07/2008
Performance The following table shows the performance characteristics of the Ethernet module’s
Modbus/TCP server.
Parameter Value
Typical Response Time (ms) 0.6
Number of Modbus connections (client and server) 64 (NOE 771 x1, NWM 100 00,
HE CPU 651 x0)
16 Client (NOE 771 x0)
32 Server (NOE 771 x0)
Number of simultaneous login channels 1
Note: Ethernet module’s Modbus/TCP performance measurements are made with
a Modicon Quantum 140 CPU 534 14A PLC.