23
5 Connecting to power supply
OPTISOUND 3020 C • Two-wire 4 … 20 mA/HART
30507-EN-190318
3
1
2
Display
1 2
5 6 7 8
I2C
Fig. 22: Electronics compartment, double chamber housing
1 Internal connection cable to the connection compartment
2 Spring loaded terminals for display and adjustment module
3 Plug connector for service interface
1
2
3
Display
1 2
I2C
Fig. 23: Connection compartment, double chamber housing
1 Spring-loaded terminals for voltage supply
2 Plug connector for service interface
3 Ground terminal for connection of the cable screening
Electronics compartment
Connection compartment