Rs232 - Siemens SIMATIC S7 System Manual

Communication

8.7 RS232

8.7 RS232
An RS232 network is a point-to-point connection between two devices. RS232 allows for
data transfer at relatively slow speeds (up to 115.2 Kbps) and short distances (up to 50 feet).
Possible RS232 connections include the following:
● Freeport
● Modems
● RS232-compatible devices (for example, a bar code scanner)
● Devices that have RS232 interfaces (for example, a control system)
● RS232 displays
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System Manual, V2.3, 07/2017, A5E03822230-AF
S7-200 SMART