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All-in-one PLC and HMI has a 4.3” colour touchscreen

02 February, 2015

Unitronics has announced an all-in-one PLC and HMI with a 4.3" colour touchscreen. The Vision430’s touchscreen and five function keys are housed in a flat fascia with an IP66/IP65/Nema4X rating, making it suitable for use in the food and pharmaceutical industries.

Onboard I/O can include digital, high-speed, and analogue points, including PT100/thermocouple and weight/pressure measurement inputs. Expansion modules support up to 512 local and remote I/O at distances of up to 1km.

There are 24 auto-tuned PID loops to control temperature, level, and pressure. Time-based and immediate interrupt support allows the controller to be used for “rapid response” applications, such as packaging machines.

Built-in recipe capabilities are supported by data tables that store the parameters needed to control a process. Data tables also allow the controller to store data-logs to a micro-SD card, which can also store application back-ups and allow PLC cloning.

Communication options include Ethernet, cellular, and industrial protocols such as Modbus, DF1 slave, BACnet, J1939 and CANopen. A protocol utility allows the PLC to communicate using almost any ASCII protocol. It can be accessed directly via a mini-USB programming port, or remotely using GPRS/GSM/CDMA and other IP networks for data acquisition and program downloads. Supervisors can be notified of critical information via e-mail and SMS messages.

Unitronics' new PLC-HMI has a 4.3" colour touchscreen

Machine operators communicate with applications via the resistive analogue touchscreen, or remotely using a free utility which displays data, colour trend graphs and alarm screens. The controller supports more than 1024 user-designed screens, backed by 12MB of memory for images and 1MB for fonts.

The accompanying VisiLogic software allows rapid hardware configuration, and PLC and HMI application programming. The software includes a library of drag-and-drop function blocks for complex automation tasks such as PID, and a free library of colour industrial images.

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