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![Control & Telemetry Outputs](https://images.findtheneedle.co.uk/findtheneedle/products/2891266.jpg)
Preocess instruments neeed to communicate with the Scada or building management system. Communications are typically using opto-isolated analogue 4-20mA outputs are programmable relays configurable for utility, limit conditions or as pulsed outputs.
However progressively BUS systems such as profibus and Modbus are used to reduce wiring and I/O interfaces.
Modem connection with Internet connectivity is also featured in some instruments.
For more information on Control & Telemetry Outputs talk to Pollution & Process Monitoring Ltd
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