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Operating instruction manual

| TX Thermal Disperson Level Switches 13

Wiring diagram for dual compartment housing (alumi-

num and stainless steel). With the dual compartment

housing option and /DS option there will only be one

SPDT switch (form C) available for each board. (You

lose the DPDT function on each board.)

5.2 Wiring Diagram - Dual Compartment Housing

5.3 Installation for Liquid Level Operation

A. SIDE MOUNTED—The instrument can be mounted directly to the vessel being monitored or in a standpipe paral-

lel to the vessel. It is recommended that the probe extend into vessel/stand pipe in highly viscous products. This

is best accomplished by using a half-coupling or thread-o-let for the standard threaded unit.

B. TOP MOUNTED—For top mounted installation it is recommended that the electrical/conduit connection be iso-

lated by such means as a potting Y so that moisture can not enter the housing.

5.3.1 Installation for Flow Rates (Minimum and Maximum)

This switch can be also be configured to detect between a minimum or a maximum flow rate or a minimum/maximum

temperature. With the dual circuit board option the unit can also detect a flow rate and temperature in one housing.

The output relays would be wired in series.

PROCEDURE FOR LIQUID LEVEL OPERATION

A. The instrument detects the thermal conductivity of the medium surrounding the probe and therefore can detect the

interfaces of many different mediums. The following list is provided to give examples of typical thermal conductivity of

different mediums. Refer to “wet” as a medium with a relatively “good” thermal conductivity and “dry” as a medium that

has a relatively “poor” thermal conductivity.

B. “OK”

air or gas

foam

granular solids & powders

hydrocarbons / organics

emulsions

“Best”

aqueous

NOTE:

The thermal conductivity of a clear liquid will be better compared to the same liquid containing a high concen-

tration of solids.

C. The instrument is factory default is set for liquid flow detection. For level or temperature applications, change
the configuration as detailed in “configuration” earlier in the manual.

mV output

24-28 VDC

Содержание TX series

Страница 1: ...v J Flow level granular solids and temperature switch K TEK Products Introduction This operating instruction manual provides the following information Calibration set point procedure see page 5 Config...

Страница 2: ...Level Operation 13 5 3 Installation for Flow Rates Minimum and Maximum 13 5 4 Installation for Remote Electronics 14 5 5 Installation Setup 15 6 0 Flow Rate Detection 16 7 0 INTERFACE DETECTION 16 8 0...

Страница 3: ...against the probes the molecules of the medium absorb more heat from the active sensor and the voltage differential begins to drop or as the flow rate increases the voltage differential will decrease...

Страница 4: ...ol system If fail safe is to be incorporated the output relay and green LED should be energized at what is determined as the normal condition JP3 jumpers are used to determine the relay action vs the...

Страница 5: ...ower values 3 1 Calibrate from HIGH TC Thermal Conductivity process conditions as follows JP3 State A Green LED output relay energized at NORMAL condition High Thermal Conductivity low differential te...

Страница 6: ...hermal Conductivity process condition high level level above sensor high flow condition at the sensor Green LED and output relay will be de energized after calibration adjust ments 2 Allow 5 minutes m...

Страница 7: ...a combination of level and temperature or flow and temperature with the dual switch point option With the dual switch point option board the flow rate of a process can be monitored with the millivolt...

Страница 8: ...witch set for Level or Air Flow Fail Safe High Level or High Flow JP3 Relay set for State B Energizes when dry or below flow set point above setting of R18 Two Jumpers x 2mm Switch set for Temperature...

Страница 9: ...rgized LED On Fail Safe WET or Air Flow Set Point Normal Condition DRY or Air Flow Set Point Normal Condition Relay De energized LED OFF DRY or Air Flow Set Point Normal Condition WET or Air Flow Set...

Страница 10: ...the delta voltage The output has an inverse relationship to flow and is not linear the output voltage decreases as flow increases The amplified output does not apply when used as a temperature switch...

Страница 11: ...ation Condition State A State B Relay Energized LED On DRY or Air Flow Set Point WET or Air Flow Set Point Relay De energized LED OFF WET or Air Flow Set Point DRY or Flow Set Point LEVEL OR AIR FLOW...

Страница 12: ...leg used to mount the instrument be the same as the instrument connec tion size 1 MNPT type The standard instrument 1 8 inch will fit in a 1 X 1 X 1 or larger tee The 1 2 inch option units are availa...

Страница 13: ...and Maximum This switch can be also be configured to detect between a minimum or a maximum flow rate or a minimum maximum temperature With the dual circuit board option the unit can also detect a flow...

Страница 14: ...perature that exceeds the maximum operating temperature 140 F or 65 C of the electronics module The remote housing simply contains a terminal block interface for a cable which connects to another hous...

Страница 15: ...it in a tee the tee size should be the same size as the line or smaller A larger diameter tee will allow the water to expand and cause false trip to occur because of vortices and or eddy currents The...

Страница 16: ...nse time is needed the TQ version may be the solution For small flow rates the IX or IM in line unit would be the option The delta voltage will decrease With the dual switch point top board the delta...

Страница 17: ...40 50 60 70 80 90 300 275 4 297 9 320 3 342 7 365 387 4 409 6 431 8 450 476 2 200 498 3 520 4 542 4 564 4 586 3 608 2 630 1 651 9 673 7 695 5 100 717 2 738 8 760 5 782 1 803 6 825 1 846 6 868 0 889 4...

Страница 18: ...del 141mV TQ Model 140mV TS Model 460mV IX Model 110mV Water TX HO Model 30mV H1 H2 Model 10mV TQ Model 25mV TS Model 90mV IX Model 15mV 9 2 1 With power disconnected measure resistance of Heater and...

Страница 19: ...Operating instruction manual TX Thermal Disperson Level Switches 19 10 0 APPENDIX A Instrument Rangeability 10 1 TX Series 10 2 IX Series...

Страница 20: ...vel Switches Operating instruction manual 11 0 APPENDIX B Conversion Table Examples Example 1 100 CFM in 4 line 100 x 1884 18 84 F P S Example 2 10 G P M in 3 line 10 x 0434 434 F P S Test Conditions...

Страница 21: ...tion H1 320 F 500 F RED RED WHT BLK GRN SEE WIRE MARKERS Special Temperature Range Option H2 100 F 900 F TERMINAL NUMBER 1 2 3 4 5 HTR HTR ACT COM REF Integral Electronics RED RED YEL BLK GRN Remote E...

Страница 22: ...3 0 APPENDIX D TX Heating vs Dispersion Above is a graph of the model TX probe The longer line depicts the time response of the RTD by internal heating The shorter line depicts the delta voltage or de...

Страница 23: ...h were not the result of either alterations misuse abuse improper or inadequate adjustments applications or servicing of the product ABB s warranty does not include onsite repair or services Field ser...

Страница 24: ...vel Switches Operating instruction manual 15 0 CUSTOMER SUPPORT ABB USA Canada International 18321 Swamp Road Prairieville LA 70769 USA Tel 1 225 673 6100 Fax 1 225 673 2525 Email service ktekcorp com...

Страница 25: ...Data Sheets MSDS and decontamination tags by affixing these documents in close proximity to the shipment label for identification purposes January 18 2006 Return Authorization Form Customer Date Cont...

Страница 26: ...26 TX Thermal Disperson Level Switches Operating instruction manual...

Страница 27: ...Operating instruction manual TX Thermal Disperson Level Switches 27...

Страница 28: ...ble lack of information in this document We reserve all rights in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilizatio...

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