Wiring Test - Siemens BT 200 Mode D'emploi

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3.1 Wiring Test

Principle of measuring
The wiring test for a bus segment is perfor-
med between the BT 200 and the test plug
connector. During the installation phase, a
test can be performed from connector to con-
nector. See figure 2. The test connector is
always installed on the one end of the bus
segment.
Short circuits can also be determined outside
the test path. The bus segment may only be
equipped with a terminating resistor at the
beginning and at the end.
Fig. 2 Step-by-step measuring principle
Performing the test
The test can be performed with or without
stations connected.
The test is started by pressing the TEST key.
One of the following two messages is dis-
played if the test was concluded successfully.
For one terminating resistor (as long as in-
stallation has not been completed, only one
terminal resistor is present)
After installation has been concluded, two re-
sistors must be inserted.
The test is concluded by pressing the OK key,
and a new wiring test can be started.
The wiring test can also be concluded or ter-
minated at any time by pressing the ESC key.
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BT 200