8 Communication
8.1 Communication Features
134
SICAM I/O Unit, 7XV5673, Device Manual
E50417-H1040-C484-A3, Edition 05.2012
8.1
Communication Features
The SICAM I/O Unit supports communication via Ethernet and, depending on version, via the serial FO or the
RS485 interface.
If parameterized accordingly, communication can be performed in parallel via the Ethernet interface and
simultaneously via the serial interface. In doing so, it is for example possible to parameterize via Ethernet in-
terface and to read out data, whilst the protocol traffic with a client is running via the serial interface or while the
I/O mirror is active.
8.1.1
Ethernet Communication
Via the Ethernet interface, the following are supported:
•
Parameterization, analysis, and diagnosis with HTML pages
•
DHCP (Dynamic Host Configuration Protocol) to assign the network configuration (IP address etc.) to
clients in an Ethernet network with DHCP server
•
Time synchronization via NTP
•
Data exchange with connected devices via Modbus TCP (Modbus TCP server is implemented in the
SICAM I/O Unit)
•
Data exchange with connected devices via Modbus UDP (Modbus UDP server and Modbus UDP client is
implemented in the SICAM I/O Unit)
•
Data exchange between 2 SICAM I/O Units via Modbus UDP as point-to-point I/O mirror
•
Data exchange with connected devices via IEC 61850 (GOOSE, MMS, Reporting)
It is possible to directly connect 2 devices with Ethernet interface due to the integrated Ethernet switch.
8.1.1.1
TCP/IP Protokol Stack
SICAM I/O Unit supports the following TCP/IP services:
•
TCP/IP IPv4
•
DHCP Client (Dynamic Host Configuration Protocol)
•
NTP (Network Time Protocol)
•
HTTP Server
MAN_SICAM_IO-Unit_7XV5673_US.book Page 134 Thursday, May 10, 2012 10:59 AM