Siemens 7XV5662-0AB00, Руководство пользователя

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7XV5662-0AB00 English
C53000-B1174-C151-1 45
q
GOK / DR for X.21
In this interface type, the following conditions must be fulfilled so that DR is activated:
n
Power–Fail signal is inactive (internal power supply unit is in proper condition).
n
RESET signal is inactive (internal logic is in proper condition).
n
Indication signal of the interface is active.
q
GOK / DR for G703.1
In this interface type, the following conditions must be fulfilled:
n
Power–Fail signal is inactive (internal power supply unit is in proper condition).
n
RESET signal is inactive (internal logic is in proper condition).
n
G703.1 Received data are present and correspond to the standardized pulse mask.
q
Power supply: The auxiliary voltage must be applied at the 2-pole screw terminal (24 –
250 VDC, 115 – 250 VAC). The permissible values and tolerances can be found in the
Technical Data (Page 54). The grounding connection on the right must be connected to
the protective conductor (ground).
Connection Instructions
Screw terminals of the terminal blocks
The terminal screws are slotted screws that can be turned with a 2 x 0.5 mm screwdriver.
The following connections are present (see Figure 23):
Connection block for the signal G703: 5-pole
Connection block for the signal GOK / DR: 3-pole
Connection block for the auxiliary voltage: 2-pole
Figure 23 Terminal blocks
S
0
-BUS
a b a b S
GOK U
H