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Manual
00809-0500-4880
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:
•
Position 1 determines the O
21.1 mA, or low, 3.5 mA. The factory setting is low, 3.5 mA.
•
Position 2 determines the COe 4-20 mA signal rail limit. The settings are high,
21.1 mA, or low, 3.5 mA. The factory setting is high, 21.1 mA.
•
Set positions 3 and 4 as shown for proper software control of the device
heaters.
3.1.2
Verify configuration - F
electronics
There is one switch on the microprocessor board which must be set for the
Rosemount OCX8800 with F
configures the sample line heater control circuit. The switch is accessible through
holes in the electronics box.
CAUTION
Equipment damage
If defaults are changed under power, damage to the electronics may occur.
Remove power from the transmitter before changing defaults.
Rosemount OCX8800A
4-20 mA signal rail limit. The settings are high,
2
OUNDATION
Fieldbus electronics
OUNDATION
Configuration and start-up
December 2022
Fieldbus
™
(Figure
3-2). SW3
55
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