YOKOGAWA NFAI841-S00 terminal practical features

Description

YOKOGAWA NFAI841-S00 terminal practical features

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Firstly, the air conditioning control system uses primary, medium, and high level filters for air purification treatment to meet different environmental requirements in different regions. Secondly, in order to prevent cross contamination between different production areas, it is necessary to control the constant air pressure difference in each room to ensure that the air from the secondary cleaning area does not enter the cleaning area. In the air conditioning control system provided by Siemens, the indoor pressure difference detected by the area pressure difference sensor is compared with the required (set) pressure difference. After PID calculation, the return air valve of the corresponding room is adjusted to maintain a constant pressure difference in the area; The pressure difference in other areas is manually adjusted during system debugging by adjusting the supply and return air valves until the verification requirements are met, and then the position of the air valve is fixed to maintain the pressure difference based on the constant supply air volume of the system. At the same time, the system will also monitor the total supply air volume (wind speed), and the frequency of the frequency converter is given by the analog output block to achieve control of the fan frequency converter and adjustment of the air valves in each area, thereby ensuring a constant supply air volume in the system and achieving energy-saving effects.

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51308363-175
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51308371-175
CC-TDIL01