ABB CDPI-01, Руководство пользователя

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CDPI-01 communication adapter module 19
Example: Chaining a PC through a commercial converter
This figure shows how to chain a PC to several drives through a
commercial converter.
USB -
RS485 or
Ethernet -
RS485
converter
Drive 1
CDPI-01
X101
…
X102
S100 = ON
1)
S101 = ON or
Drive 2
CDPI-01
X101 X102
S100 = OFF
S101 = OFF
2)
Drive n (max. 32)
CDPI-01
X101 X102
S100 = ON
S101 = OFF
2)
Data A Data B
1)
Must be switched on in the first module on the bus if the converter
does not have a termination switch.
2)
Must be switched on at some point on the bus if the converter does not
have an internal biasing resistor.
3)
For the X101 pin allocation, see section Pin allocation of connectors
X101 and X102 on page 22 .
OFF
2)
3)