Operating instructions
Table Of Contents
- SICLOCK® TC 100 Plant Central Clock
- Overview
- Safety notices
- Preface
- Table of Contents
- 1 Safety instructions
- 2 Description
- 3 Hardware description
- 4 Operation planning
- 5 Mounting
- 6 Connection
- 7 Configuration Tool
- 8 Parameter assignment and operation of the device
- 9 Parameter assignment
- 10 Parameter table
- 11 Service and maintenance
- 12 Messages
- 13 Technical data
- 14 Dimension drawing
- 15 Circuit diagrams
- 16 Spare parts / accessories
- A Annex
- B ESD guidelines
- C List of icons
- D Glossary
- Index
Description
2-1
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SICLOCK
®
TC100 Operating Instructions
2.3 Time receivers
The time receivers in the plant are connected solely via Ethernet.
2.3.1 Plant synchronization via Ethernet
Physical access
An Ethernet port with the following specification is provided to enable physical
access to the network:
• 100Base-TX via RJ-45 socket
Protocols
The following protocols are implemented:
• NTP server according to RFC2030
− Any/unicast mode
− Any/unicast mode with local time
− Multicast mode
− Multicast mode with local time
• Time synchronization in the SIMATIC procedure
− PCS7-compatible mode
− S5-compatible mode
Thetime message frames can be transmitted to each Ethernet port individu-
ally either every second or every 10 seconds.