Emerson FB3000 - Page 10

Emerson FB3000 RTU Quick Start Guide
D301859X012
April 2021
6
COM1 Configured as RS-485 (4-wire)
1
RS-485 (4-wire) port on device
2
Connect cable shields to suitable Instrument Earth connection point
COM1 Configured as RS-485 (2-wire)
1
RS-485 (2-wire) port on device
2
Connect cable shields to suitable Instrument Earth connection point