Siemens SICLOCK TC 400 Instructions d'exploitation Page 17

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Description
2-16
© Siemens AG 2007 All Rights Reserved
SICLOCK
®
TC400
2.3 Time receivers
The time receivers of the plant can be connected via Ethernet or directly on the
device via point-to-point connections.
2.3.1 Plant synchronization via Ethernet
Physical access
There are four Ethernet interfaces available as physical access to the network
with the following spec
ification:
100Base TX via RJ-45 socket
Protocols
The following protocols have been implemented:
NTP server according to RFC2030
Any/un
icast mode
Multicast mode
Multicast mode with local time
Time synchronization with the SIMATIC method
PCS7-compatible mode
S5-compatible mode
The time message frames can be transmitted to each Ethernet port individu-
ally either every second or every 10 seconds.
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