Siemens simatic ET 200MP Manual - Page 12

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Siemens simatic ET 200MP Manual
Product overview

2.3 Functions

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 RS232 BA
The CM PtP RS232 BA communications module offers the following functionality:
● RS232 interface
● Data transmission rate: 300 to 19200 bps
● Maximum frame length: 1 kbyte
● Transmission protocols: Freeport and 3964(R)
Note
The USS protocol can be implemented with instructions included in STEP 7 (TIA Portal).
Hardware components of a point-to-point connection
You require certain hardware components for a point-to-point connection with the
CM PtP RS232 BA.
Components
CPU module
Accessories: Memory card
CM PtP RS232 BA communications module
Connecting cable
U connector
Optional: Power supply module (PS)
12
Function
... executes the user program.
... communicates with a communication partner (point-to-point) by
means of the interface.
... connects the CM PtP RS232 BA communications module with the
communication partner.
... provides the mechanical and electrical connection between the
modules.
... converts the line voltage (120/230V AC or 24V DC) into the
operating voltage required to supply the S7-1500.
CM PtP RS232 BA communication module (6ES7540-1AD00-0AA0)
Manual, 01/2013, A5E03777472-01