Emerson 400 VP user manual

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Instruction Sheet
PN 51A-400/rev.R
Model 400 and 400 VP
December 2010
™
ENDURANCE Conductivity Sensors
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CAUTION
SENSOR/PROCESS
WARNING
WARNING
APPLICATION COMPATIBILITY
Before removing the sensor, be absolutely certain
The wetted sensor materials may not be compatible
that the process pressure is reduced to 0 psig and
with process com position and operating conditions.
the process temperature is

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MODEL 400 and 400VP WIRING ° ° FIGURE 1. Sensor Orientation FIGURE 2. Direct Insertion in a Pipe FIGURE 3. Insertion in a Pipe Tee FIGURE 4. Insertion in a Pipe Tee FIGURE 5. Insertion in a Pipe Tee FIGURE 6. Insertion in a Flow Cell (PN 24091-02) 2

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MODEL 400 and 400VP WIRING WIRING WIRE COLOR AND CONNECTIONS IN SENSOR COLOR FUNCTION Gray Connects to outer electrode Clear Coaxial shield for gray wire Orange Connects to inner electrode Clear Coaxial shield for orange wire Red RTD in White with red stripe RTD RTD sense White RTD return Clear Shield for all RTD lead wires WIRING DIAGRAMS FIGURE 8. Model 56 and 1056 Wiring FIGURE 7. Model 54eC Wiring 3

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MODEL 400 and 400VP WIRING TB2 TB1 RTN WHITE RCV B SENSE WHITE/RED RCV A RTD IN RED CLEAR RSHLD SHLD CLEAR GRAY DRVB ORANGE DRVA CLEAR DSHLD FIGURE 9. Model 1066 Wiring FIGURE 10. Model Xmt-C-10 Wiring (Panel) FIGURE 11. Model Xmt-C-11 Wiring (Pipe or Wall) FIGURE 12. Model 5081C Wiring FIGURE 13. Model 6081-C Wiring 4

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MODEL 400 and 400VP WIRING WIRING THROUGH A JUNCTION BOX Model 400-60 sensors have a junction box mounted on the end of the sensor. See Figure 14 for wiring instructions. If wiring connections are made through a remote junction box (PN 23550-00), wire point-to-point. Use cable 23747-00 (factory-terminated) or 9200275 (raw cable). PIN OUT DIAGRAM FOR 400VP FIGURE 15. VP pin-out (viewed from connector end of sensor, looking down) NOTES: 1. THE GRAY SENSOR WIRE IS CONNECTED TO THE JUNCTION BOX, W

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MODEL 400 and 400VP WIRING TROUBLESHOOTING PROBLEM PROBABLE CAUSE SOLUTION Off-scale reading Wiring is wrong. Verify wiring. Temperature element is open or shorted. Check temperature element for open or short circuits. See Figure 16. Sensor is not in process stream. Be sure sensor is completely submerged in process stream. Variopol cable is not properly seated. Loosen connector and reseat. Sensor has failed. Perform isolation checks. See Figure 17. Noisy reading Sensor is improperly installed

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NOTES 7

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The right people, the right answers, ON-LINE ORDERING NOW AVAILABLE ON OUR WEB SITE right now. http://www.raihome.com Specifications subject to change without notice. Credit Cards for U.S. Purchases Only. Emerson Process Management 2400 Barranca Parkway Irvine, CA 92606 USA Tel: (949) 757-8500 Fax: (949) 474-7250 http://www.raihome.com © Rosemount Analytical Inc. 2010 8