Controller handles varied signals
An
Eurotherm product story
Edited by the Engineeringtalk editorial team
Nov 20, 2007
The Mini8 controller has four plug-in I/O slots and can cater for a variety of signals such as thermocouple and RTD inputs and relay, logic and analogue outputs.
The Mini8 controller from Eurotherm makes it possible to perform PID loops outside the PLC without compromising the benefits of an integrated solution.
Up to eight discrete control loops can be easily connected to major fieldbuses such as Profibus, Devicenet and CANopen.
It has four plug-in I/O slots and can cater for a variety of signals such as thermocouple and RTD inputs and relay, logic and analogue outputs.
This is important because it takes responsibility for the loops outside the PLC.
In the event of the PLC going down, equipment pressure and temperature can still be maintained and expensive failures avoided.
It also offers the Modbus protocol on RS 485 or Ethernet.
The Mini8's software wiring allows loops to be connected in many different ways.
Features include a setpoint programmer plus maths, logic and timing functions that make it capable of simple, multiloop PID control or being used to create innovative custom solutions.
OEMs, for example, can construct their own algorithms in a simple unit that is easily cloned.
The Mini8 also offers an OEM or reseller the ability to protect their intellectual property by using a feature called OEM security.
This prevents unauthorised cloning of a configuration without entry of a pass code defined by the original programmer.
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