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Watlow has introduced a configurable multi-loop temperature/process controller.

The EZ-Zone RM industrial controller integrates an entire assembly of control loop functionality in one space-saving, DIN-rail-mounted package.

EZ-Zone RM can be used as a PID temperature/process controller or an over-/under-limit controller; alternatively, these functions can be combined into an integrated controller.

Other control functions can also be integrated, such as high-amperage power controller output, creating a complete and integrated thermal loop controller in one package.

EZ-Zone RM can be configured with one to 16 modules controlling between one and 64 loops.

As the controller is single-loop scalable, customers only pay for what they need (exact loop count).

Utilising an integrated controller solution reduces wiring time and termination complexity, improves overall system reliability, reduces termination and installation costs and eliminates compatibility issues encountered when using many different components and brands, according to the company.

In addition, integrated controllers reduce troubleshooting time and downtime costs as the system can specifically identify to the operator if there are any problems with a sensor, controller, solid-state-relay (SSR) power output or heater load.

EZ-Zone RM enables many optional integrated controller functions to be combined together or ordered in different quantities, including: PID temperature/process controller; over-/under-temperature limit control loops; 10A or 15A power output/heater driver options; onboard data logging; current measurement input; a sequencer start-up and control function; programmable timer and counter functions; programmable math and logic options; multiple communication protocol options; mobile configuration with removable secure digital flash card; and Split-Rail configuration to isolate low-voltage input modules from high-voltage output modules.

The EZ-Zone RM controller offers current monitoring for the entire system, onboard data logging, a sensor back-up capability and Tru-Tune+ adaptive control, which provides tighter control for demanding applications.

Its communications capabilities feature a range of protocol choices, including a USB device port, Ethernet/IP, Modbus RTU, Modbus TCP, Devicenet and Profibus, facilitating integration to a larger PLC-based system architecture.

As part of the EZ-Zone range of integrated PID controllers, there is no need to learn a new menu flow or wiring and connection scheme because the EZ-Zone RM shares a common user interface, menu structure, wiring and connector labelling and user manual support documentation with the other members in the range (EZ-Zone PM and EZ-Zone ST).

This new rail-mount integrated multi-loop controller is suitable for semiconductor processing, photovoltaic, packaging and plastics processing applications, along with a variety of other applications that require multi-loop control.

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