Connection; Basic Safety Instructions - Siemens SIPART PS2 Operating Instructions Manual

Connection

5.1

Basic safety instructions

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.
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
● Tighten the cable glands in accordance with the torques specified in Technical data
● Close unused cable inlets for the electrical connections.
● When replacing cable glands use only cable glands of the same type.
● After installation check that the cables are seated firmly.
NOTICE
Condensation in the device
Damage to device through formation of condensation if the temperature difference between
transportation or storage and the mounting location exceeds 20 °C (36 °F).
● Before taking the device into operation let the device adapt for several hours in the new
NOTICE
Ambient temperature too high
Damage to cable sheath.
● At an ambient temperature ≥ 60 °C (140 °F), use heat-resistant cables suitable for an
SIPART PS2 with and without HART
Operating Instructions, 05/2017, A5E00074631-AC
WARNING
WARNING
protection.
(Page 231).
environment.
ambient temperature at least 20 °C (36 °F) higher.
5
73