A major manufacturer is using the ADAM-4117 module from Advantech to power up its discharge water monitoring systems.
The manufacturer sought to add industrial wastewater quality measurements to its system, to more accurately detect contaminants and impurities in effluent flow. Due to extremely varied industrial markets and applications, the system needed to cater for a variety of parameters, with multiple I/O ports to connect with diverse types of meters and analysers.
Due to the module’s durability and the native support for Modbus RTU, the system design team specified the ADAM-4117 analog input module for connection with water quality analysers— such as those used to measure pH, temperature, conductivity, dissolved oxygen and turbidity— and various meters.
Utilising the new hardware enabled the manufacturer to connect various types of analog transmitters, regardless of location, to the water quality monitoring system with reliable and cost-effective transmission of data to the system controller.
Delivering OT/IT integration
The Modbus RTU protocol and its successors, most notably those built on Ethernet, solved OT issues related to remote I/O synchronisation with controllers. However, integration between remote I/O and IT systems would require additional communication technologies due to native dissimilarities between OT and IT protocols. One example of these differences are in data packets. Small data packets that require rapid, repetitive and responsive transport characterise OT traffic. On the other hand, IT traffic usually occupies more bandwidth but is intermittent and can withstand some latency.
MQTT and SNMP are communication protocols widely supported by IT-native systems, and these protocols are well suited for industrial use. Previously, MQTT was created for oil and gas industry applications in harsh environments, but the past decade has seen it become a common standard for IoT communications.
The Advantech ADAM-6000 series of remote I/O modules includes all the capabilities of the serial ADAM-4000 series, but it replaces Modbus RTU and other RS-485 communication protocols in favor of MQTT, SNMP, RESTful APIs, EtherNet/ IP, PROFINET, Modbus TCP/IP, and other Ethernet protocols. Additionally, ADAM-6000 remote I/O modules provide standalone logic functionality, so users can avoid a controller completely for simple applications where high processing power is not required.
For these applications, ADAM-6000 modules use graphic condition logic (GCL) to execute logic rules, processing various actions for output according to input conditions.
Find out more from the white paper on industrial automation devices.
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Article courtesy of Advantech.
