Overview of important parameters
Note
For a description of the parameters, see the converter List Manual.
Parameter Description
p8805[0...1] Identification and Maintenance configuration
p8806[0...53] Identification and Maintenance 1
p8807[0...15] Identification and Maintenance 2
p8808[0...53] Identification and Maintenance 3
r8809[0...53] Identification and Maintenance 4
A.1.4 Communication via MODBUS TCP
A.1.4.1 Overview
The Modbus protocol is a communication protocol based on a controller/device architecture.
Modbus offers three transmission modes:
● Modbus ASCII - via a serial interface
data in the ASCII code. The data throughput is lower compared to RTU.
● Modbus RTU - via a serial interface
data in the binary format. The data throughput is greater than in ASCII code.
● Modbus TCP - via Ethernet
data as TCP/IP packages. TCP port 502 is reserved for Modbus TCP.
In SINAMICS, only the "Modbus TCP" transmission mode is available.
Possible drive units:
● CU320-2 PN
● CU320-2 DP (CBE20)
Modbus functionality
Process data and parameters are accessed via the Modbus register.
● Process data: 40100 - 40119
● Drive data: 40300 - 40522
● All parameters via DS47: 40601 - 40722
Communication
A.1 Communication
Industrial Security
Configuration Manual, 08/2017, A5E36912609A 175
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