These are some of the plants which

PJC Systems control.

We control a diverse range of plants, from:-

- mixing of materials for plastic processing,

- feeding of extrusion lines,

- weighing of materials for processing within both the bakery and rotomoulding industries,

- lime slurry production,

- water pumping stations

- tanker unloading

- high vacuum applications

Control Panels which PJC Systems have designed, and, in most cases, built.

We no longer build panels "in house" but sub-contract the manufacture to a panel builder with whom we have a close working relationship.

Occasionally, panel build is separately organised by our customer, in which case, we are quite prepared to generate panel layout drawings.

Hmi screens that PJC Systems have developed over the years.

These interfaces enable the operator to clearly monitor the status of the plant, input control functions, carry out manual control functions, view and clear alarm conditions.

An hmi can store a certain amount of data, but is not recommended where a large amount of data storage is required

(hmi is the common abbreviation for Human Machine Interface)

When considering any control system, great consideration should be given to the "front end"

It is important to be clear about what information is required at operator, and management level. In most cases, this will determine whether the front end of the system is "lights and pushbuttons", an hmi, or a SCADA system.

(SCADA is the common abbreviation for Supervisory Control And Data Aquision)