Emerson Rosemount Analytical RDO, Manual

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Terminal Description
GND Signal ground
COM1 or COM2 Common
NC1 or NC2 Normally closed
NO1 or NO2 Normally open
FIGURE 2-4. Earth ground screws for
analog outputs and sensors.
4. Make the low voltage relay connections. Do not apply
more than 50 V across the low voltage relays.
5. Replace the front cover of the enclosure. Be sure the
desiccant pack (PN R0087630) is present.
1. Remove the front cover of the enclosure.
2. Wire the RDO probe to the PROBE A or PROBE B
terminals on the input/output card.
3. Connect shield wire to the green earth ground
screw. See Figure 2-4.
4. Cut off or cap the unused brown and white wires.
5. Replace the front cover of the enclosure. Be sure
the desiccant pack (PN R0087630) is present.
Terminal Description Wire color
GND Signal ground Black
485A- RS485 negative Green
485A+ RS485 positive Blue
POWER Input DC/Output AC Red
GREEN EARTH Shield Shield
DANGER
Make sure that power to the instrument is discon-
nected before making any wiring connections.
DANGER
Débrancher toute alimentation à l'appareil avant de
connecter les fils.
CONNEXIONS POUR LE RACORD
DES SONDES
2.7 TIGHTEN DOME CONNECTORS
The dome connectors installed in section 1.4 must be
tightened securely after the sensor and electrical cables
have been routed through them. The dome connectors
are not meant to be weight bearing. Be sure that:
• The cable does not slide or wiggle after the nut has
been tightened.
• Sufficient cable has been threaded through the con-
nector so that secure wiring connections remain
secure.
• There is no weight or force from water pulling on the
cable.
2.6 RDO PROBE WIRING
MODEL RDO WIRING