designing a small section of a communications

network in an abattoir two-stage ammonia refrigeration system

all hardware is to be selected

from the AS-I range manufactured by Pepperl and Fuchs, information available at

[login to view URL] .

The section of the plant that you will be controlling includes 4 package plant ammonia

compressors, their associated valving and the fan banks on the evaporator and


Each compressor has a small PLC performing local control and providing a number of

inputs and outputs (I/O) to the larger plant PLC that coordinates the overall plant

operation. The compressor PLCs are located in a small control cabinet mounted on

the compressor pad.

The valves are field mounted on the ammonia piping to and from the compressors and

are controlled by the plant PLC.

The network is to be an AS-Interface network, connected to a Pepperl and Fuchs ASInterface

master VBM-CLX-DM in a ControlLogix rack on the main PLC. The details

of the rest of the control system are not relevant to your task, you just need to ensure

connectivity between the devices and the AS-I master.

There is an Emergency Stop button located on each compressor control panel and the

main control cabinet that must be linked using safety I/O back to a Safety Monitor that

is located in the main PLC cabinet. The design of the safety system in out of the scope

of this project and will be completed by an RPEQ.

Kemahiran: Reka Bentuk Litar, Kejuruteraan Elektrik, Elektronik, Kejuruteraan, Kejuruteraan Mekanikal

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Tentang Majikan:
( 403 ulasan ) KANPUR, India

ID Projek: #16971764

2 pekerja bebas membida secara purata ₹194/jam untuk pekerjaan ini


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₹222 INR / jam
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Hello, Before Starting work can you give me details of slaves. I will tell if it is possible from my side Thanks

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