Siemens Plant Central Clock TC100 - Manual (Page 36)

Connection
6-3 © Siemens AG 2010 All Rights Reserved
SICLOCK ® TC100 Operating Instructions
6.3 Connecting external synchronization
The signal from the connected radio clock is automatically detected, and dis-
played in the parameter /Inputs/Input 1/Status (0.20.02).
Figure 6-2 Circuit diagrams for a passive and an active radio clock
Table 6-1 Terminal assignment of radio clock inputs
Terminal Description
X2-1 RADIO CLOCK GND
X2-2 RADIO CLOCK 1A
X2-3 RADIO CLOCK 1B