2. Wiring of PCS-DS51
62
To communication base unit (B system)
Serial bus B system
Serial bus A system
To communication
base unit (A system)
Shield line
Signal line
Magnified view of terminal
Wiring direction
From primary main
processor card
(A system)
Serial bus cable
Terminal screw
Crimp terminal
Secondary side of redundant
configuration
Single configuration or primary side
of redundant configuration
From primary main
processor card (B system)
Main processor card
Terminal board
cover
Serial bus terminal
board
Main unit
Serial bus I/O terminal board
Shield line Shield line
Signal line
Shield line
Figure 2.37 Wiring to Main Processor Card