Start_Up Characteristics Of Cp343 / Cp443 - Siemens SIMATIC S7 Manual

3.7

Start_up Characteristics of CP343 / CP443

Introduction
Initialization
Parameterization
OPEN MODBUS / TCP communication via CP343-1 and 443-1
2XV9450-1MB00; Manual edition 4.3
The start up of the CP is divided into the following phases:
• Initialization (Power on of the CP)
• Parameterization
As soon as the CP is connected to power, the hardware self test runs. The
firmware of the CP is set up for operation.
During parameterization the CP receives the device parameters that are
assigned to its slot.
The CP is now ready for operation.
Commissioning
3-13