Adding I/O to an existing PLC without changing the program
When new signals can bypass the PLC, when its program has to change, and which Ethernet I/O, fieldbus I/O and gateways fit each case.
Anvendelser og viden
Løsninger
Application guides for ICP DAS I/O, controllers, gateways and meters, sorted by the job they do.
ICP DAS makes the building blocks of measurement and control systems: remote I/O modules, programmable automation controllers (PACs), protocol gateways, power meters, sensors and IIoT edge devices. Most of them use open protocols such as Modbus RTU, Modbus TCP, MQTT and OPC UA, so they combine with each other and with PLCs, SCADA, building management systems and cloud platforms from other vendors.
The pages below are organised by application rather than by product line. Each one describes what a typical system in that area needs, which ICP DAS product groups fit, and what to check before you choose hardware. Articles with worked examples and selection guides are added to each area over time.
Løsningsområder
Seneste artikler
Fabriks- og maskinautomation
Energistyring og måling
Power meter concentrators: energy logging and MQTT without a server
How PMC and PMD concentrators poll power meters, log to microSD, resend data after network outages and deliver it over Modbus TCP, MQTT, SNMP or FTP.
Fjernovervågning og IIoT
4G remote monitoring of unmanned sites: architecture and checklist
How to connect an unmanned site over 4G: outgoing connections or VPN, power, alarms, buffering when offline, and which ICP DAS devices fit.
Fjernovervågning og IIoT
MQTT vs OPC UA: getting machine data into IT systems
How MQTT and OPC UA differ in communication model, data description and security, and which ICP DAS devices support each protocol.
Miljø- og temperaturovervågning
Liquid leak detection in server rooms and technical rooms
Sensing cable or spot probe, how to divide a room into zones, and how to route leak and cable-break alarms to staff, BMS and SCADA.
Energistyring og måling
Limiting peak demand with IF-THEN rules on a power meter concentrator
How demand is measured, how to build staged load-shedding rules on a PMC or PMD concentrator, and a worked example with relay outputs.
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