How to reads an array data from a DataBlock of The Siemens S7 PLC Using Visual C#
Read bytes
public byte[] ReadBytes(DataType dataType, int db, int startByteAdr, int count)
This reads up to 200 bytes (actual limit of the protocol) from a memory location that you determine.
What is S7.Net?
S7.Net is a plc driver that works only with Siemens PLC and only with Ethernet connection. This means that
your plc must have a Profinet CPU or a profinet external card (CPxxx card).
S7.Net is written entirely in C#, so you can debug it easily without having to go through native dlls.
Supported PLC
S7.Net is compatible with S7-200, S7-300, S7-400, S7-1200, S7-1500.
1. Example:
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