Siemens Plant Central Clock TC100 - Manual (Page 40)

Connection
6-3 © Siemens AG 2010 All Rights Reserved
SICLOCK ® TC100 Operating Instructions
A SICLOCK GPSDEC decoder is connected as shown in Figure 6-5.
Figure 6-5 Connection of the radio clock SICLOCK GPSDEC to RADIO CLOCK 1
Functional check
The "RADIO CLOCK" LED on the front panel must flash at about 1Hz when the
GPSDEC is received correctly.
The parameter /Inputs/Input 1/Status (0.20.02) must change to "GPS" or "DCF77"
after about three minutes reception.
Caution
A SICLOCK GPSDEC may only be operated as an active radio clock.
Operation as a passive radio clock leads to the destruction of the
SICLOCK GPSDEC.
Table 6-2 Recommended assignment of parameters to the GPSDEC decoder for
synchronizing a SICLOCK TC100
Parameter Setting
Time difference from GMT 00:00
Daylight saving time change „none“
X1.5-8 (DCF77TTY) „DCF without ZZB“
 



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6.3.3 SICLOCK GPSDEC
(SICLOCK GPSDEC has been discontinued, please use SICLOCK GPS1000)