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50-608 Kotron Model 811 RF Point Level Sensor

Agency

Approved Model

Protection Method

Area Classification

811-1X05-E0X

Explosion Proof

Explosion proof with intrinsically safe probe circuit

811-1X06-E0X

Class

, Div. 1, Groups C & D

with probe models:

Class

, Div. 1, Groups E, F, & G

041-5XXX-XXX and

NEMA 4X

8XX-XXX-XXX

811-1X06-E0X

Intrinsically Safe

Remote probe:

(Remote)

Class

, Groups A, B, C, & D

with probe models:

Class

, Div. 1, Groups E, F, & G

041-5XXX-XXX and

Class

III

8XX-XXX-XXX

NEMA 4X

CSA

811-1X05-E0X

Explosion Proof

Explosion proof with intrinsically safe probe circuit

811-1X06-E0X

Class

, Div. 1, Groups C & D

with probe models:

Class

, Div. 1, Groups E, F, & G

041-5XXX-XXX and

(Bare probes not approved for Groups E & F)

8XX-XXX-XXX

TYPE 4X

811-1X06-E0X

Intrinsically Safe

Remote probe:

(Remote)

Class

, Div. 1, Groups A, B, C, & D

with probe models:

Class

, Div. 1, Groups E, F, & G

041-5XXX-XXX and

(Bare probes are not approved for Groups E & F)

8XX-XXX-XXX

Class

III

TYPE 4X

These units have been tested to EN 50081-2
and EN 50082-2 and are in compliance with
the EMC Directive 89/336/EEC.

2.4 Agency Approvals

Содержание Magnetrol Kotron 811

Страница 1: ...Installation and Operating Manual RF Capacitance Level Measurement Kotron Model 811 RF Point Level Sensor ...

Страница 2: ...tage is not present in this system it may be present in other systems Electrical components are sensitive to electrostatic dis charge To prevent equipment damage observe safety procedures when working with electrostatic sensitive components Low Voltage Directive For use in Category II installations If equipment is used in a manner not specified by manufacturer protection provided by equipment may ...

Страница 3: ...on 9 1 7 4 Relay Wiring Chart 10 1 8 Calibration Narrow Differential 10 1 8 1 Set Point Adjustment Alarm 10 1 8 2 Low Level Alarm Fail safe Low with no media on the probe 11 1 8 3 Low Level Alarm Fail safe Low with media on the probe 12 1 8 4 High Level Alarm Fail safe High with no media on the probe 12 1 8 5 High Level Alarm Fail safe High with media on the probe 12 1 8 6 Time Delay 12 1 9 Calibr...

Страница 4: ...er _________________________________ Serial Number __________________________________ 1 2 Electrostatic Discharge ESD Handling Procedure Magnetrol s electronic instruments are manufactured to the highest quality standards These instruments use electronic components that may be damaged by static electricity pre sent in most work environments The following steps are recommended to reduce the risk of...

Страница 5: ...it the probe process connection size and type Flat blade screwdriver 1 3 3 Operational Considerations The Model 811 sensor should be located to allow for easy access for service configuration and monitoring There should be sufficient headroom to allow the probe to be inserted into the tank Special precautions should be made to prevent exposure to corrosive atmosphere excessive vibration shock or p...

Страница 6: ...ically for visible surface wear If damage to the probe insulation is found replace the probe Metal Walled Tanks On water based liquids there should be no problem with sensitivity With non conductive low dielectric media sensitivity can be enhanced by locating the probe close to and parallel with the tank wall If this is not practical a ground reference probe may be the solution Non Metallic and Gl...

Страница 7: ...de of the nozzle Do not horizontally mount the unit in a nozzle deeper than 3 inches 75 mm Refer to Figure 5 The medium may buildup in the nozzle and cause false activation Alternate Horizontal Mounting On applications involving viscous liquids or materials which tend to cling or buildup horizontally mounted probes should be installed at a slight downward angle to allow material to drain from prob...

Страница 8: ...tened to align conduit connection with conduit 1 5 3 Installing a Flexible Probe Caution Insulated flexible probes are shipped with the cable clamp and the packing gland nut hand tightened to permit length adjustment in the field The cable clamp and packing gland nut must be tightened before use The end of a flex ible probe MUST be kept taut by attaching the anchor end at the bottom of the vessel ...

Страница 9: ...ining bushing 10 Tighten both socket head screws on the clamp to approx imately 35 in lbs of torque Slip the Mylar insulator over the clamp Caution Check probe terminal connection carefully to be certain lug will not short to packing gland or interfere with assem bly of amplifier housing to probe 1 6 Installing a Remote Mount Unit NOTE All remote mount units use triaxial cable that is shipped in a...

Страница 10: ...will isolate the unit from temperatures below 40 F 40 C and over 160 F 71 C or vibration mechanical damage Unit can be mounted up to 150 feet 45 m from probe assembly Location should also offer easy access for wiring calibration and maintenance 1 6 2 2 Probe Housing Connections 1 Screw probe housing onto the probe Refer to Figure 12 2 Attach the white probe wire to the probe screw on top of the pr...

Страница 11: ...ough bottom base connection 6 Loosen securing screw on bottom of shield andopen the protective cover on the amplifier board 7 a Integral Electronics Attach white probe wire from probe terminal on circuit board to probe screw on top of the probe Attach red Guard wire if utilized See Figure 8 on page 5 b Remote Electronics Attach the white and red leads from the triaxial cable to appropriate connect...

Страница 12: ...Chart on page 10 is provided to aid in the proper choice of relay wiring and calibration Please note 1 Equipment controlled by the Model 811 relay is assumed to be powered from one source while the 811 unit itself is assumed to be powered from a different source 2 There is a fail safe switch on the 811 unit which may be set in either a High or Low position Refer to Figure 15 on next page 3 Fail me...

Страница 13: ...t point location a Conductive media The set point is located at the tip of the probe with guarded or other uninsulated probes Calibration is not required for most conductive liquids If the unit does not switch on alarm test then proceed to Step 4 b Non conductive media The set point is located on the probe at a point determined by the set point adjust ment Minimum probe coverage is 4 inches 100 mm...

Страница 14: ...ine adjustment Sometimes it is necessary to go 1 to 2 turns past the final SETPOINT to stop relay chatter A small amount of time delay 2 turns can also be used 5 The LED shows the status of the relay coil LED on relay energized LED off relay de energized 6 Initial Settings a Turn the COARSE FINE DIFFERENTIAL and TIME DELAY POTENTIOMETERS fully counterclockwise 25 full turns or until a clicking sou...

Страница 15: ... counterclockwise until the LED is OFF 4 Turn the FINE control clockwise until the LED stays ON 1 8 5 High Level Alarm Fail safe High with media on the probe 1 Set DIP switch positions 1 ON 2 ON 3 ON and position 4 OFF LED will be OFF 2 Turn the COARSE control clockwise until the LED turns ON 3 Slowly turn the COARSE control counterclockwise until the LED is OFF 4 Turn the FINE control clockwise u...

Страница 16: ...F or the LED and relay will remain ON 3 2 Potentiometers a Time Delay Allows continuous adjustment of time delay within limits of DIP switch range chosen Clockwise rotation increases delay b Differential Allows continuous adjustment of pump or valve control ON to OFF Clockwise rotation increases differential Full coun terclockwise rotation is the narrowest differential and is used for alarm applic...

Страница 17: ...fe 1 OFF 2 OFF 3 ON 4 OFF LED will be ON b High Level Fail safe 1 ON 2 ON 3 ON 4 OFF LED will be OFF 7 Verify process level is at desired low control point 8 COARSE adjustment a Low Level Fail safe Turn COARSE control clockwise until LED turns OFF Turn COARSE control counter clockwise until the LED is ON Slowly turn COARSE control clockwise until LED is OFF Low control point is now calibrated b Hi...

Страница 18: ...l point is calibrated 1 9 2 Time Delay If Time Delay is needed for any reason e g surface waves causing relay chatter the following two choices must be made Delay Function Delay on FILL rising level is DIP switch 2 ON Delay on EMPTY falling level is DIP switch 2 OFF Delay Duration 0 5 to 7 second delay DIP switch 3 ON 4 OFF 2 to 120 second delay DIP switch 3 OFF 4 ON Clockwise rotation increases d...

Страница 19: ...t ed into level When the level capacitance reaches a desired amount the relay will change state 2 3 Troubleshooting 2 3 1 No Signal with Level Change 1 Check power and control circuit wiring 2 Check DIP switch positions 3 Check Calibration 4 Check for proper ground reference particularly in non metal tanks 2 3 2 Probe Caution When an insulated probe is used in a hazardous and or abrasive medium th...

Страница 20: ...f cuts or nicks in the insulation 4 Inspect the malfunctioning probe for a cut in the insulating sheath or looseness in the seal at the probe mounting nut 5 Inspect the probe for a coating or build up of conductive medium 6 Measure the resistance between the probe and ground using the highest resistance scale available If the resistance measures 10 Megohm to infinity and is stable the probe is ope...

Страница 21: ...5XXX XXX and Class III 8XX XXX XXX NEMA 4X CSA 811 1X05 E0X Explosion Proof Explosion proof with intrinsically safe probe circuit 811 1X06 E0X Class I Div 1 Groups C D with probe models Class II Div 1 Groups E F G 041 5XXX XXX and Bare probes not approved for Groups E F 8XX XXX XXX TYPE 4X 811 1X06 E0X Intrinsically Safe Remote probe Remote Class I Div 1 Groups A B C D with probe models Class II D...

Страница 22: ...50 608 Kotron Model 811 RF Point Level Sensor 19 2 4 1 Agency Specifications Intrinsically Safe Installation 2 4 2 Agency Specifications Explosion Proof Installation ...

Страница 23: ...4 NPT conduit connection 004 9140 002 Remote probe cover Aluminum 004 9105 001 316 stainless steel 004 9142 001 Remote housing o ring 012 2101 345 Remote housing base Aluminum single 3 4 NPT conduit connection 004 9104 001 316 stainless steel single 3 4 NPT conduit connection 004 9140 002 Remote triaxial cable standard 037 3180 XXX Remote triaxial cable high temperature 037 3184 XXX Remote mountin...

Страница 24: ...20 240 VAC resistive DPDT with gold flash contacts DC 10 amp 30 VDC resistive DPDT with gold flash contacts DC 0 5 amp 125 VDC resistive Response time 100 milliseconds Repeatability Better than 1 0 Ambient Temperature Electronics 40 to 160 F 40 to 70 C Operating Process Pressure Temperature Dependent upon probe selected See probe brochure 50 125 Temperature Coefficient of Set Point 40 to 160 F 40 ...

Страница 25: ...read Optional Anchor Assembly 4 87 124 2 95 75 79 19 Optional Weight 1250 3 1875 5 2500 6 NEMA 4X 7 9 9 89 251 Rotation Clearance 2 63 66 1 32 34 5 00 127 Optional Mounting Flange Optional Anchor Assembly 032 8814 001 4 87 124 2 95 75 79 19 Optional Weight 1250 3 1875 5 2500 6 1 32 34 5 50 140 7 42 188 3 4 NPT Conduit Connection NEMA 4X 7 9 7 75 197 Rotation Clearance 2 63 66 2 Holes 38 10 Dia 3 0...

Страница 26: ...T POWER 811 Kotron RF Capacitance Level Switch BASIC MODEL FM CSA APPROVED MODELS 5 Integral 6 Remote E NEMA 4X 7 9 Groups C D aluminum 3 4 NPT dual conduit Y NEMA 4X 7 9 Groups C D stainless steel 3 4 NPT single conduit HOUSING MOUNTING PROBE 0 Probe ordered separately 1 18 455 mm guarded probe 2 36 915 mm guarded probe ...

Страница 27: ...50 608 Kotron Model 811 RF Point Level Sensor 24 NOTES ...

Страница 28: ...o be covered under the warranty If the trouble is the result of conditions beyond our con trol or is NOT covered by the warranty there will be charges for labor and the parts required to rebuild or replace the equipment In some cases it may be expedient to ship replacement parts or in extreme cases a complete new control to replace the original equipment before it is returned If this is desired no...

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