Siemens S5-135U/155U appendix Data Transmission, RS422 A/485 submodule when used in a CPU, Shield

CPUs, Memory Cards, Memory Submodules, Interface Submodules

Data Transmission	A maximum of 19200 bps is permissible for data transmission with the
Rate	RS422 A/485 submodule when used in a CPU.

Pin Assignments Shown in the following figure are the pin assignments of the 15-pin

of the RS422 A/485 subminiature D-type connector in the front plate of the RS422 A/485

Submodulesubmodule:

Pin Des. to CCITT V.24

Input/	Remarks
Output

8

15

9

1

1Shield

2T(A)

3C(A)

4R(A)

5I(A)

6S(A)

7B(A)

8GND

9T(B)

10 C(B)

11 R(B)

12I(B)

13S(B)

14B(B)

15X(B)

Output

Output

Input/Output

Input

Input

Output

Output

Output

Input/Output

Input

Input

Output

Input

In full duplex operation, only data can be received on this two-wire line.

In full duplex operation, only data can be received on this two-wire line.

System Manual	5-113
C79000-G8576-C199-06