airpower europe GmbH, Auf der Hohl 7, D-53547 Dattenberg,
www.airpower-gmbh.com
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Fig. 4-7 Pneumatic connection
Version single-acting - with springs
version double-acting
Steps to install:
Connect the output of the AVP-350 Intelligent positioner to the input of the pneumatic rotary actuator. according to Fig. 4-7.
Air supply requirements:
1.
Depending on the rotary actuator, the air pressure must be between 1.4 ... 7 bar.
2.
The air supplied must be clean, dry air, free of oil, water or other liquids.
3.
The air supplied must not have a significant proportion of corrosive substances, vapour or solvents.
4.
The amount of solid particles in the air supplied shall not exceed 0.1 g/m3,
particle penetration do not exceed 60 microns. (Class 4)
5.
The oil content must be less than 1.0 mg/m3.
6.
The dew point of the air at working pressure must be at least 10 K below the ambient temperature.
4.4 Electrical connection
4.4.1 Basic requirements
Electrical connections must be carried out strictly according to the connection plan and can be easily fastened. The cable gland
corresponds to the protection class IP65. The diameter of the signal cable must be at least 8mm.
The casing cover shall be fastened in such a way that the IP protection level is not lowered.
An intrinsically safe positioner must be combined with the associated equipment that passed the explosion-proof certification in
order to form an intrinsically safe explosion-proof system for use in potentially explosive atmospheres. The wiring of the system
must meet the requirements of the positioner and the associated equipment /intrinsically safe equipment, and the terminals must
be connected correctly.
Requirement for staff
During installation, commissioning, operation, maintenance and repair, the operator must
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WARNING
It is essential to avoid leakage of the connection. Use soapy water to check the air
tightness of the connection interfaces.