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.
Commentaires sur ces manuels