Connection
5
5.1 Basic safety instructions
WARNING
Lever for position detection
Danger of crushing and shearing with mounting kits which use a lever for position detection.
During commissioning and ongoing operation, severing or squeezing of limbs could occur as
a result of the lever. Risk of injury when working on control valves due to the high operating
force of the pneumatic actuator.
● Do not reach into the range of motion of the lever following mounting of the positioner and
mounting kit.
WARNING
With intrinsically device version (Ex i)
Risk of explosion in hazardous areas.
For intrinsically safe device versions only the certified circuits may be connected as auxiliary
power supply, control and signal circuits.
● Make sure that the power source of the used circuits is marked as intrinsically safe.
WARNING
Unsuitable cables, cable glands and/or plugs
Risk of explosion in hazardous areas.
● Use only cable glands/plugs that comply with the requirements for the relevant type of
protection.
● Tighten the cable glands in accordance with the torques specified in Technical data
(Page 239).
● Close unused cable inlets for the electrical connections.
● When replacing cable glands, only use cable glands of the same type.
● After installation, check that the cables are seated firmly.
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 75
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