Figure 3-1: Rosemount OCX8800 Defaults - HART Electronics
A. Open
B. Closed
C. Internal: COe 4-20 mA is internally powered.
D. External: COe 4-20 mA requires an external power supply (default).
E. Internal: O
2
4-20 mA is internally powered.
F. External: O
2
4-20 mA requires an external power supply (default).
Switch default positions shown.
O
2
21.1 mA/3.5 mA: O
2
4-20 mA signal
• Rail limits:
— Open High: 21.1 mA
— Closed Low: 3.5 mA
COe 21.1 mA/3.5 mA: COe 4-20 mA signal
• Rail limits:
— Open High: 21.1 mA
— Closed Low: 3.5 mA
SW1: The two settings are internally or externally powering the O
2
4-20 mA signal.
The factory setting is for the O
2
4-20 mA signal to be internally powered.
Configuration and start-up Manual
December 2022 00809-0500-4880
54 Emerson.com/Rosemount
To Next Page
Loading...
