Product Description
1
1.1 Uses of the CP 440
Applications
The CP 440 communication processor enables you to exchange data between automation
devices or computers by means of a point-to-point connection. The CP 440 is designed to
transfer short, fast frames.
The following are typically connected to it:
• Scanners, barcode readers
• Sensors
• Weighing scales
Functionality of the CP 440
The CP 440 communication processor provides the following functionality:
• An integrated MPI (Multipoint) X27 (RS422/485) interface
• Maximum transmission length 400 bytes (also see chapter "Overview of the Function Blocks
(Page 73)")
• A transmission rate of up to 115.2 kbps, full-duplex
• Integration of the most important transmission protocols in the module rmware
– ASCII driver
– 3964(R) Procedure
• Customization of the transmission protocols by means of parameter assignment with the CP
440: Point-to-Point Communication, Parameter Assignment interface
Uses of the CP 440
The CP 440 communication processor allows point-to-point communication with SIMATIC
modules and with non-Siemens products.
Point-to-point connection CP 440 Installation and Parameter Assignment
Equipment Manual, 03/2022, A5E00057742-AE 11
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