Pilz PSSnet SHL 8T MRP - Manual (Page 92)

Synchronizing the system time in the
network
PSSnet SHL - Basic Configuration
Pilz GmbH & Co. KG, Felix- Wankel Str. 2, 73760 Ostfildern
7.2 SNTP
93
7.2.2 Preparing the SNTP coordination
To get an overview of how the time is passed on, draw a network plan with
all the devices participating in SNTP. When planning, bear in mind that
the accuracy of the time depends on the signal runtime.
Figure 25: Example of SNTP cascade
Enable the SNTP function on all devices whose time you want to set using
SNTP.
The SNTP server of the device responds to Unicast requests as soon as
it is enabled.
If no reference clock is available, specify a device as the reference clock
and set its system time as accurately as possible.
Note: For the most accurate system time distribution possible, avoid having
network components (routers,switches, hubs) which do not support SNTP in
the signal path between the SNTP server and the SNTP client.
GPS
NTP
Server
Server Client
Client
Client
Switch
PLC
Server Client
Switch
Server Client
Switch
192.168.1.1 192.168.1.2 192.168.1.3
192.168.1.0