Microsensor MPM483DM Operation Manual page 10

not be lower than the explosion-proof mark of the transmitter. The
safety barrier shall be installed in a safe place, and its installation, use
and maintenance must comply with the safety barrier instruction
manual.
c) When this product is used in hazardous places, the wiring diagram is
shown in the figure below, and the product shell must be reliably
grounded during installation.
d) Intrinsically safe type use warning: the product shell material is
aluminum, the base is stainless steel and other metal materials, when
used in zone 0, to prevent ignition hazard caused by impact or friction
Dangerous area
P
I
Intrinsically safe transmitter explosion-proof mark：Ex ia IIC T4 Ga
Transmitter with Flameproof mark: Ex d IIC T6 Gb
Transmitter intrinsically safe parameters：
V+
+OUT
RS485A
RS485B
Safe area
Safe
barrier
Fig 3
10
Power
8 ～ 28V DC
Load
RS485
interface