Emerson FB3000 - Page 12

Emerson FB3000 RTU Quick Start Guide
D301859X012
April 2021
8
COM2 Configured as RS-485 (2-wire)
1
RS-485 (2-wire) port on device
2
Connect cable shields to suitable Instrument Earth connection point
COM3 Configured as RS-485 (2-wire)
1
Enable AC termination using switch
2
RS-485 bus, twisted pair required
3
Connect cable shields to suitable Instrument Earth connection point