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Touchswitch™
Belt and Pulley Misalignment Sensor

The Touchswitch™ is an electronic limit switch. When a belt misaligns or a pulley moves over and contacts the sensor, the built in solid-state electronic circuitry detects the lateral force of the belt or pulley and activates a voltage free relay contact. This relay contact is used to immediately alarm and shutdown the machine.

Touchswitch Belt and Pulley Alignment Sensor

U.S. Patent #6,731,219

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	Touchswitch Technical Specifications:		Literature:
	• Power Supply - 12 VDC (TS2V3C) or 24 VDC (TS2V4C)		• Product Datasheet
	• Power Consumption - 60 mA (TS2V3C) or 50 mA (TS2V4C)
	• LED Indication - Indicates Power and Relay		Technical:
	• Testing - External Test Knob		• Product Manual
	• Output - Voltage Free Changeover Relay (5A 250 VAC, Non-Inductive)
	• Body Construction - Presses Seamless Steel		Product Dimensions:
	• Face Construction - Hardened and Annealed Stainless Steel		• .dwg (AutoCAD) .pdf
	• Conduit Entry - 1/2 in. NPT
	• Cable Length - 9 ft. (3 m)
	• Conductors - 6 / 22 AWG
	• Weight - 3 lbs.
	• Protection - NEMA 4X, IP66

	Approvals:
	• CSA Class II Div 1 Groups E, F & G (USA & Canada)
	• ATEX Version Available





	Part Numbers and Accessories:
	• TS2V3C ~ Touchswitch (12 VDC)
	• TS2V4C ~ Touchswitch (24 VDC)
	• TSS2 ~ Spacer
	• TSC2 ~ Rubber Collar
	• TSCAP ~ Clear Dust Cover
	• PS3500V3 ~ 12 VDC Power Supply
	• PS2500V4 ~ 24 VDC Power Supply
	• TS202-CT5-2-1/4 ~ Touchswitch Hole Saw
	• WDC4V46C ~ Watchdog Super Elite Monitoring System
	• T5004V46C ~ T500 Elite Hotbus Monitoring System
	• B4004V46C ~ B400 Elite Monitoring System


	Literature:		Product Dimensions:
	• Product Datasheet		• .dwg (AutoCAD) .pdf

	Technical:
	• Product Manual

	Note: Product manuals for older part numbers can be
	found under the Technical Support area.


			Touchswitch Hole Saw (TS202-CT5-2-1/4) Recommended tool for Touchswitch™ installation. 2-1/4” carbide teeth and cobalt steel pilot drill with split point tip prevents walking. Built in flange stop prevents over drilling and an ejector spring makes removal of slug easier.









			Touchswitch Spacer (TSS2) One spacer is supplied with the Touchswitch and is optional depending on the machine’s construction.









			Touchswitch Rubber Collar (TSC2) One rubber collar is supplied with the Touchswitch to properly seal the hole created for the Touchswitch and to protect the sides of the sensor from debris buildup.









			Touchswitch Clear Dust Cover (TSCAP) One clear protective cover is supplied and used on the back of the Touchswitch to protect the test knob from dust and debris buildup.









			12 and 24 VDC Power Supplies Optional DIN rail mountable power supplies that can be used to power the Touchswitch™ as needed.


			Watchdog™ Super Elite Hazard Monitor The Watchdog™ Super Elite processes signals from sensors for belt misalignment, belt speed & slip, continuous bearing temperature, pulley misalignment and plug conditions for bucket elevators or belt conveyors. More Info









			T500 Elite Hotbus™ Hazard Monitor The T500 Elite Hotbus is a serial communications system designed to monitor up to 256 sensors on multiple bucket elevators and conveyors for belt speed, belt alignment, bearing temperature, level and plugged conditions. More Info









			B400 Elite Beltswitch Hazard Monitor The B400 Elite Beltswitch belt misalignment monitor uses 4B Touchswitch sensors to monitor belt and pulley alignment in bucket elevators and conveyors. More Info


	Is the Touchswitch™ a rub block?
	No, the Touchswitch is a pressure sensitive contact switch. When the belt misaligns and contacts (touches) the
	sensor with enough force, an alarm is triggered.

	Rub blocks are designed to detect the heat generated by friction when the belt rubs against the brass block. In
	dust hazardous environments, heat is what you are trying to avoid. Also, belts can misalign and rub against the
	brass for a short period of time, but not long enough for the sensor to detect any heat build-up. In either scenario,
	rub blocks can be dangerous and ineffective in detecting belt misalignments.














	Belt Misalignment on a Bucket Elevator
	(Belt Has Rubbed Through Metal Casing)