SCADA

Useful SCADA posts

S7 Protocol (snap7):

Posts:

S7-1200 Communication using snap7 Raspberry Pi
Communicating with Raspberry Pi IO/Sensors using S7 Comm(snap7)
Control S7-1200 outputs with snap7 python
Simple Read Internal Memory Example

Video Examples:

Controlling S7-200 using Raspberry pi Example

snap7 setup video

python snap7 reading data blocks

Modbus:

Raspberry Pi as 12v Fan Controller w/ Modbus TCP Control
Raspberry Pi Temperature Sensor Modbus TCP access (python)

Video:

PWM Control using Modbus and Wonderware

pymodbus setup and twido coils example

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