Emerson Rosemount OCX 8800 Reference Manual page 54

Configuration and startup
Figure 3-1:
Switch default positions shown.
O 21.1 mA/3.5 mA: O
2
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
factory setting is for the O
SW2: The two settings are internally or externally powering the COe 4-20 mA signal. The
factory setting is for the COe 4-20 mA signal to be internally powered.
SW3: The factory sets this switch as follows:
44
Rosemount OCX 8800 Defaults - HART Electronics
4-20 mA signal
2
4-20 mA signal to be internally powered.
2
4-20 mA signal. The
2
OCX 8800