Siemens Simatic S7-400

Wiring of the recipient at the X27 (RS 422) interface
The 󹪝gure below shows the wiring of the recipient at the X27 (RS 422) interface:
0 V
0 V
5 V
5 V
R(B) +
R(A) ದ
R(B) +
R(A) ದ
R(B) +
R(A) ದ
R(A) 5 V / R(B) 0 V
R(A) 0 V / R(B) 5 V
none
Figure 5-2 Wiring of the recipient at the X27 (RS 422) interface (3964(R) procedure)
5.5 Managing the Parameter Data
Introduction
The con󹪝guration and con󹪝guration data of the CP 440 is saved in the current project (on the
hard disk of the programming device/PC).
Data management
When you exit the con󹪝guration table by selecting the Station > Save or Station > Save As
menu command, the con󹪝guration and con󹪝guration data (including the module parameters)
is automatically saved in the project/user 󹪝le you have created.
Loading the con󹪝guration and parameters
You can download the con󹪝guration and con󹪝guration data to the CPU from the programming
device (by selecting PLC > Download). The CPU accepts the parameters immediately after the
download.
Con󹪝guring and Parameter Assignment the CP 440
5.5 Managing the Parameter Data
Point-to-point connection CP 440 Installation and Parameter Assignment
68 Equipment Manual, 03/2022, A5E00057742-AE