Knowledge Base

300+ SCADA Protocol Articles & Guides

Deep dives on Modbus, DNP3, IEC 60870-5-101/104, IEC 61850, OPC UA, Profinet, MQTT, IEC 62443, and substation automation — written for practicing engineers.

Tags:

All

#RTU(56)

#industrial communication(44)

#industrial Ethernet(36)

#Common Industrial Protocol(28)

#EtherNet/IP(28)

#MMS protocol(28)

#substation communication(26)

#digital substation(22)

#substation automation(22)

#GOOSE messaging(20)

#industrial security(20)

#Sampled Values(20)

#packet capture(16)

#protocol analysis(16)

#HMI(15)

#IIoT protocol(15)

#network troubleshooting(15)

#industrial control(14)

#telemetry(14)

#network redundancy(13)

#control center data exchange(11)

#high availability network(11)

#IEC 62439-3(11)

#inter-control center(11)

#Broker(9)

#High-availability Seamless Redundancy(9)

#industrial IoT(9)

#OT messaging(9)

#Sparkplug B(9)

#Parallel Redundancy Protocol(8)

#DANP(7)

#high availability(7)

#Manufacturing Message Specification(7)

#RedBox(7)

#serial communication(7)

#industrial interoperability(6)

#network diagnostics(6)

#ASDU(5)

#CP56Time2a(5)

#CSMS(5)

Showing 1–1 of 1 article

PLC COMMUNICATION

HART Protocol Explained: Digital Data on a 4-20 mA Loop

HART protocol explained: how digital signalling rides on a 4-20 mA loop, dynamic variables, universal commands, burst mode, multidrop, and where WirelessHART fits.

Aug 15, 202612