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Pumps dry safety

In accordance with the rules of industrial safety of oil depots and oil products warehouses (PB 09-560-03), any pumps and pumping stations should be equipped with protection and alarm systems that ensure the safety of pumping stations. One such protection is the work on the “dry run” (the ...

Modbus protocol safety

It is known that it’s easy to get into the open Modbus protocol and manage any devices. This is similar to the truth, if you have a register map and understand what command words values should be sent to the slave device. It is known that it’s easy to get into the open Modbus protocol and manage any devices. This is similar to the truth, if you have a register map and understand what command words values should be sent to the slave device. The solution to this problem can be some software complication...

Description of Interlocks and Protections

... in case of exceeding the liquid level in the reservoir the pump must be switched off. This table (cross) the method of providing information is the most profitable in terms of implementation and protection algorithms locks (built by analogy with the Safety Matrix program). The following is a transcript of the rows and columns of positions: 1. Placed the name of the position sensors, the indications which must lead to any action provided for in the event of process for contingency 2. Describes the ...