Connecting The External Synchronization - Siemens SICLOCK TC 400 Operating Instructions Manual

6.3

Connecting the external synchronization

The signal of the connected radio clock is detected automatically and displayed
in the /Inputs/Input 1/Status (0.20.02) parameter (or /Inputs/Input 2/Status
(0.21.02) parameter).
Figure 6-2 Circuit diagram for a passive and an active radio clock
Table 6-1
Terminal
X2-7
X2-8
X2-9
X2-10
X2-11
Note
If you are operating two radio clocks, connect the preferred model to RADIO
CLOCK 1.
© Siemens AG 2007 All Rights Reserved
®
SICLOCK TC 400
X2-7
X2-8
passive
48 V
Radio Clock 1
X2-9
X2-10
passive
48 V
Radio Clock 2
X2-11
X2-7
X2-8
active
Radio Clock 1
48 V
X2-9
X2-10
active
Radio Clock 2
48 V
X2-11
Terminal assignment of the radio clock inputs
RADIO CLOCK GND
RADIO CLOCK 1A
RADIO CLOCK 1B
RADIO CLOCK 2A
RADIO CLOCK 2B
Designation
Connecting
6-35