Siemens SICLOCK TC 400 Operations Instructions download pdf (Page 38)

Connecting

6-37

SICLOCK

TC400

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 assignment of the radio clock inputs

Terminal Designation

X2-7 RADIO CLOCK GND

X2-8 RADIO CLOCK 1A

X2-9 RADIO CLOCK 1B

X2-10 RADIO CLOCK 2A

X2-11 RADIO CLOCK 2B

X2-8

X2-9

48 V

X2-7

passive

Radio Clock 1

X2-8

X2-9

48 V

X2-7

active

Radio Clock 1

passive

Radio Clock 2

X2-10

X2-11

48 V

X2-10

X2-11

48 V

active

Radio Clock 2

Note

If you are operating two radio clocks, connect the preferred model to RADIO

CLOCK 1.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 137 138

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Siemens SICLOCK TC 400 Operations Instructions Page 38