Siemens 6ES7540-1AD00-0AA0 - Module Functions and Hardware Components

Product overview
2.3 Functions
CM PtP RS232 BA communication module (6ES7540-1AD00-0AA0)
12 Manual, 01/2013, A5E03777472-01
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 Function
CPU module
Accessories: Memory card
... executes the user program.
CM PtP RS232 BA communications module ... communicates with a communication partner (point-to-point) by
means of the interface.
Connecting cable ... connects the CM PtP RS232 BA communications module with the
communication partner.
U connector ... provides the mechanical and electrical connection between the
modules.
Optional: Power supply module (PS) ... converts the line voltage (120/230V AC or 24V DC) into the
operating voltage required to supply the S7-1500.