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D301087 1211 - BL20 CANopen
7-3
General Notes
7.1.4
Lightning Protection
The cables must be routed in double-grounded metal piping or in reinforced concrete cable ducts.
Signal cables must be protected against overvoltage by varistors or inert-gas filled overvoltage
arrestors. Varistors and overvoltage arrestors must be installed at the point where the cables enter the
building.
7.1.5
Transmission Cables
The slaves on the bus are connected to one another with fieldbus lines that correspond to the
DeviceNet specification (ODVA Spec. Rel. V2.0).
The bus cables must be terminated at the beginning and end with a bus terminating resistor. This can
be connected via the number 4 DIP switch on the gateway.
7.1.6
Cable Types
TURCK offers a variety of premoulded bus cables - please refer to the BL20-catalog (TURCK
documentation number: D300418).
Figure 7-1:
Representation of
a bus cable
Station 0
Station 63
Station x
terminating
resistor
terminating
resistor
Rt
Rt
Содержание BL20-GW-CANOPEN
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Страница 24: ...BL20 Philosophy D301087 1211 BL20 CANopen 2 10...
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Страница 68: ...Guidelines for Station Planning D301087 1211 BL20 CANopen 6 14...
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