Managing The Parameter Data - Siemens SIMATIC S7-400 Equipment Manual

Configuring and Parameter Assignment the CP 440

5.5 Managing the Parameter Data

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