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a)
Then the intrinsic safe version transmitter is used in explosive
environment, please connect the transmitter with the safe barrier
to form Intrinsic Safe Ex-proof System.
b)
The installation of the intrinsic safe version transmitter should be
conformed to the standard of GB3836.15-2000. Part 15 The
Regulation of Electric Installation in Hazardous Area (except coal
mine) of Electric Equipment Operation in Explosive Gas
Environment.
c)
Then Intrinsic safe version transmitter is used in Hazardous Area,
the power transformer which supplies the safe barrier should
conform to the Regulation of GB3836.4-2010.
d)
Please install safe barrier and power in safe area, and install
intrinsic safe transmitter in the hazardous area. Pay attention to
grounding safely.
e)
The biggest permitted distributed capacitance for the cable
between the transmitter and safe barrier connection is Cp=Co-Ci,
the biggest permitted distributed inductance Lp=Lo-Li.
f)
Users can buy a safe barrier by yourself, only need to take care its
specs are as above-mentioned requirements and have an
explosion-proof certificate.
g)
The installation of safe barrier is in accordance with its operating
instructions .
4.5 RS485 interface transmitter software
