Bosch Rexroth IndraControl VCP 35.2, Руководство по планированию проекта

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R911323106 / 02 | Rexroth IndraControl VCP 35.2 Electric Drives and Controls | Bosch Rexroth AG 7 -5
Interfaces
7.2.1 RS485 (X6-SER1)
The interface is suitable for point-to-point and for multi-point connec-
tions.
The wires belonging together are marked with „A“ and „B“. Some
descriptions refer to the pins with „+“ and „-“ , where A = + and B = -.
7.2.1.1 Pin Assignment
Fig. 7-6: 25 pin D-SUB female connector strip
Connector in the small operator terminal: 25-pin D-SUB female con-
nector strip
Signal Logic 1 U
A
- U
B
<= -0.3 V i.e. (U
A
< U
B
)
Signal Logic 0 U
A
- U
B
>= +0.3 V i.e. (U
A
> U
B
)
Pin Designation Function
8 T(A) Transmitted data (+)
9 T(B) Transmitted data (-)
11 SGND Signal Ground
22 R(A) Received data (+)
23 R(B) Received data (-)
Fig. 7-7: Pin assignment RS485
The D-SUB connector strips must be shielded sufficiently. See chapter
“Shielding D-SUB Connectors“ on page 7-12.