KROHNE OPTISOUND 3020C 2wire EN - Manual (Page 19)

Fig. 15: Connection steps 6 and 7
5.3 Wiring plans, single chamber housing
The following illustrations apply to the non-Ex as well as to the
Ex ia version.
1
4 4 4
2 3
Fig. 16: Material versions, single chamber housing
1 Plastic
2 Aluminium
3 Stainless steel
4 Filter element for pressure compensation
Housing overview
OPTISOUND 3020 C - 4 … 20 mA/HART 19
Connecting to power supply
30507
-EN
-050914