to the MTS20H Operating Manual in PDF Format
Contents
1. 2 con 2 cond 2 cond 110 Auxiliary ais Powar Neoprene Neoprene Neoprene Enclosure Steel Steel _ Aluminum 1 Probe Status Switch For DC Power Option Factory Adjusted Only R11 Specifications Subject to Change Without Notice Dimensional Drawings Dimensions in Inches Hanger 4 00 Standard Tilt Switch w Hanger MTS 20H 1 779 Control Unit SCU 200 Heavy Duty Tilt Switch w Hanger MTS 30H_ 2 90 he 7 00 Float Switch Switch MLS 400 i 2 56 72 MAX hale Pane ree 16 Gauge TOLL Geno Electro Sensors Inc FREE 6111 Blue Circle Drive Minnetonka MN 55343 USA FOR MORE INFORMATION IN MINNESOTA 612 930 0100 AY AI mo MARIAAN MAIN2. E Tilt Switches Features e Easy to Install Requires Little Maintenance e Control Unit will Interface with Any Tilt Switch Probe e Advanced Solid State Electronic Circuitry NEMA 12 or Optional NEMA 4 Enclosure Accepts a Wide Variety of Optional Sensors for Special Applications e Adjustable Time Delay Prevents False Indication e Rugged Welded Steel Probes e Floater Probe for Liquids and Slurries e Optional Stainless Steel Probes Available Description The Electro Sensors Tilt Switch System is a simple system consisting of a control unit and a sensing probe It is widely used in the process industry to sense the presence or absence of any bulk material Typical applications include high or low bin level alarms detection of transfer chute plug up control of material depth in crusher bowls and the sensing of alarm conditions in rock box screen classifier etc Normal or safe condition may be vertical as in a screen classifier properly loaded an excessive level tilts the probe to indicate an alarm Normally tilted condition is typified by material flowing on a conveyor belt loss of material will drop the probe to the vertical position to indicate an alarm Principle of Operation The Electro Sensors Tilt Switch Probes feature rugged welded steel construction They are waterproof dusttight airtight and have a stress relieved cable The mercury switch inside the probe is epoxy encapsulated to seal it from t
3. he most severe environ mental conditions The probe mounted in a vertical position has closed contacts As it is tilted to approximately 15 degrees contacts will open The contacts have a maximum capacity rating of 230 Vac 1 7 Amps The probe is supplied with a flexible 8 foot Neoprene jacketed 18 gauge two wire conductor cable suitable for conduit or stand alone wiring ELECTRO l i SENSORS l ES160 Rev A MTS 200 MTS 300 MLS 400 SCU 200 Control Unit Bin Level High or Low Detection Floater Tilt Switch MLS 400 High or Low Tank Level Detection SCU 200 Control Unit The SCU control unit provides a safe low voltage power source for any probe Input from the probe is switch selectable so that either tilted or vertical position may be selected as safe The opposite position results in alarm following an adjustable 1 99 second delay The delay assures reliable performance free from false alarms because only a sustained change in the probe posi tion will initiate an alarm Lamps are mounted on the face of the enclosure to indicate the SAFE ALARM status of the output relay 5 amp DPDT The Control is fail safe relay failure or power loss causes an immediate alarm Installation Instructions The probe may be suspended from the eyelet or by the optional threaded hanger The cable length should be adjusted so that it will not affect tilting of the probe body The Control Unit may be remote
4. ly located in any convenient place See wiring diagram for terminal block layout Hangers MTS 20H MTS 30H Tilt Switch Hangers are available for the MTS 200 and MTS 300 probes All welded steel to match the probe body the hangers are threaded to screw directly onto 1 2 inch NPT conduit Floater Switch MLS 400 The Floater Probe is used in liquids slurries or powders The anodized aluminum body is light enough to reliably sense material exceeding 0 5 density They are ideal for high or low sump con trol fly ash flour etc Auxiliary Sensor Power The SCU 200 Control Unit has a transducer input feature that adds to its versatility Terminal TB2 1 is a 12 Vdc transducer supply terminal that will enable the use of open collector sensors such as Hall Effect and proximity sensors with the control unit This feature may be used in a wide variety of sensing applications where an adjustable relay output is desired when the sensor detects a target i deem eT nee Electro Sensors Inc Tilt Switches Time Delay Adjustment Standard Probe Connections The Time Delay Function is adjustable from 1 99 seconds All Tilt Switch probes should be connected to terminals TB2 2 Use a small screwdriver to turn the rotary switches S2 and S3 for and TB2 3 the desired time delay interval Switch S2 adjusts for single seconds and switch S3 adjusts for tens Alternate Sensor Connections Example A time delay of 1 4 seconds would require S2 to be Tran
5. sducer Power TB2 1 set at 4 and S3 to be set at 1 Transducer Signal TB2 2 Transducer Ground TB2 3 Probe Status Switch _ With the probe status switch in the A position the relay SCU 200 Control Unit Specifications is energized and the green SAFE lamp is lit when the probe Enclosure 2 NEMA 12 6 x 4 x 3 inch is tilted NEMA 4 optional TER as Input Power 115 Vac 10 50 60 Hz With the probe status switch in the B position the relay is optional 230 Vac 12 24 Vdc energized and the green SAFE lamp is lit when the probe is in Probe Signal Voltage 12 Vdc 10 kQ pull up to a vertical position 12 Vdc Auxiliary Sensor Supply Voltage 12 Vdc 17 mA max i iri i Relay Outout DPDT Form C relay rated 5 Am wiring Diagram naw 250 Vac ee ative load i Relay Status Switch Selectable Relay Status Lamps 2 replaceable lamps 28 Vac Wiring Connections Screw barrier terminal 14 AWG max Operating Temperature 0 C to 70 C Storage Temperature 20 C to 70 C Probes MTS 200 MTS 300 MLS 400 Contact Rating all 1 7 Amp max at 250 Vac SPST s3 S2_ Contact Type Mercury Mercury Mercury Time Delay in i Time Delay in NO Probe Actuation Angle 15 5 15 5 15 5 10 s seconds lej s seconds mae Weight 18 oz 75 o7 Boz Signal f Connection Cable 8 ft 1 gauge 8 ft 18 gauge 8 ft 18 gauge
Download Pdf Manuals
Related Search