SCADA PLC Integration: Connect Ignition to ControlLogix
Pick the protocol, prepare the controller tags, add the device in Ignition, set a sane tag group, then prove the link survives a network drop.
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IIoT PLC Data with MQTT, Sparkplug B and an Edge Gateway
A working IIoT setup for a plant floor PLC: edge gateway choice, MQTT and Sparkplug B topics, a decoded payload, store and forward, deadbands and security.
PLC Scan Time and Cycle Time: Measure It, Then Cut It
Read real scan times with GSV on a ControlLogix and the cycle time view on an S7-1500, then find what is eating them before the watchdog does.
PLC Cybersecurity: Hardening a Logix Cell Step by Step
Zones and conduits, the controller key switch, FactoryTalk Security, firewall rules for 44818 and 502, and a backup you have actually restored.
PLC Conveyor Control: Zone Logic, Jams and PowerFlex
Zone accumulation, cascade start and stop, jam timers that do not nuisance trip, and driving a PowerFlex 525 over EtherNet/IP from a CompactLogix.
PLC PID Control: Set Up and Tune a Loop in Studio 5000
Scale the analog signals, pick PID or PIDE, put the loop in a periodic task, then tune from a bump test. Siemens PID_Compact covered as well.
OPC UA PLC Integration: From PLC Tag to SCADA Client
Connect a PLC to SCADA with OPC UA: KEPServerEX channels, the S7-1500 built-in server, certificate trust, subscription rates and why OPC DA kept breaking.
PLC Water Treatment: Levels, Lead/Lag Pumps and Dosing
Wet well level control, pump alternation that shares the wear, chlorine dosing with long dead time, and remote sites over cellular Modbus that go quiet.
PLC vs DCS Integration: Getting a Skid onto the DCS
How a packaged skid PLC gets tied into DeltaV, Experion or PCS 7: link protocol, Modbus register map, heartbeat, engineering units and alarm ownership.
HMI PLC Setup: Build Your First PanelView Plus Screen
From a blank FactoryTalk View ME application to a running PanelView Plus screen: shortcuts, tag syntax, a momentary push button and the MER transfer.
EtherNet/IP PLC Communication: Setup, RPI and Faults
Set up EtherNet/IP between a Logix controller, remote I/O and a drive: RPI, unicast vs multicast, MSG paths, and the fault codes you will really see.
PLC MES Integration: Tags, Handshakes and Work Orders
What MES really needs from the controller: OEE counters, downtime reason codes, a work order UDT, a request and acknowledge handshake, an OPC UA bridge.
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