Visualization and control of the processes of cooling and freezing at the Dutch company Zandbergen Vleeswaren

January 19, 2021 | Reliance SCADA

Zandbergen Vleeswaren is a Dutch meat producer that specializes in the manufacture of bacon products. Its headquarters is situated in the city of Haarlem. Using various types of packaging, the company's many bacon products are supplied to retailers, wholesalers, hotels, sandwich bars, and industrial customers all over Europe.

In 2017, the company's production facility was in need of an expansion to keep up with future growth. For this purpose, a building permit for an addition of 16,000 m² was applied for and issued, which means that the original surface area was more than doubled to 28,000 m².

In 2020, the Dutch company Chiron-tec B.V. implemented a system for the control and monitoring of the processes of cooling and freezing at Zandbergen Vleeswaren. It involved three separate installations – the conversion of two existing installations and one new installation.

The new installation included:

• 6 compressors (2,500 kW of cooling capacity)
• 8 compressors (1,000 kW of freezing capacity)
• 3 compressors (1,000 kW of heat-pump capacity)

All heat from the cooling installation is used for heating the production water. Six air handling units are installed for the supply of fresh and clean air.

Control system

The system consists of three Siemens SIMATIC S7-1500 PLCs (with 1,990 IO signals) and the Reliance SCADA/HMI system. All the three installations are monitored by one Reliance project running on two independent computers.

The control system is used for the control and monitoring of the production facility's:

• Engine rooms
• Industrial heat pumps
• Cooling and freezing rooms
• Air handling units

Among other things, it is also used for:

• Displaying and printing trends
• Floor plan monitoring
• Email notification in case of an alarm

Examples of visualization windows

Visualization of an air handling unit

Cooling settings

Cold glycol

Visualization of an engine room

Visualization of an engine room

A floor plan (side view)

Heat recovery

Inputs/outputs for service

A weekly time program

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