HBM PW15AHi, Инструкция по монтажу, Страница: 19 / 72

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PW15AHi
A2526-4.0 en/de/fr HBM
RB
RA
TB
TA
RB RA TB TA RB RA TB TA
Bus coupler
Control
computer
RS‐485‐BUS
UB
GND
UB GND UB GND
PW15AHi electronics PW15AHi electronics
Fig. 7.1 Connection of several PW15AHi to a computer via an RS‐485 4‐wire bus
7.2 CANopen interface
The interface is set up using the CANopen standard CiA DS301
Bus configuration
The CAN bus is configured as a 2‐wire circuit (CanH and CanL) (see
ISO11898).
It is essential for bus termination resistors (each 120
W
) to be
connected at the start and end of the bus. The PW15AHi does not contain a
bus termination resistor. The bus wiring structure was chosen to minimize the
length of the stub lines.
Fig. 7.2 CAN bus wiring