Functions - Siemens SIMATIC ET 200SP Manual

2.3

Functions

Introduction
The communication module allows you to exchange data between your own and other
programmable controllers or computers by means of a point-to-point connection, and to
connect various devices from a variety of manufacturers.
Functionality of the CM PtP
The CM PtP communication module offers the following functionality:
● RS232 and RS422/485 interface
● Data transmission rate: 300 to 115200 bps
● Maximum frame length: 2 kbyte
● Transmission protocols: Freeport, 3964(R) and Modbus
Hardware components of a point-to-point connection
You require certain hardware components for a point-to-point connection with the CM PtP.
Components
Automation system
ET 200SP Distributed I/O System
Interface module (IM)
CM PtP communication module
BaseUnit (6ES7193-6BP00-0xA0)
Server module
CM PtP communication module (6ES7137-6AA00-0BA0)
Manual, 01/2013, A5E03790792-01
Note
The USS protocol can be implemented with instructions included in STEP 7 (TIA Portal).
Function
... contains the CPU and PROFINET interface, and the central I/O, if applicable,
and executes the user program.
... contains the distributed I/O.
... connects the distributed I/O system ET 200SP to PROFINET IO and supports
all ET 200SP I/O modules.
... communicates with a communication partner (point-to-point) by means of the
interface.
... connects the communication module with the I/O system and the supply
voltage.
... completes the setup of the ET 200SP
Product overview
2.3 Functions
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