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WDA Motion Alignment Sensor
Belt Alignment and Motion Sensor

Non-contacting extended range magnetic proximity sensor, not affected by dust or material build up, used to detect moving ferrous material up to 3 inches away from the sensor.

The WDA sensor is designed for use with bucket elevators and conveyors to measure belt speed and alignment. It can detect either the metal elevator buckets or the ferrous bolts attached to plastic buckets. A more specialized use for the WDA switch is as a broken/slack chain detector on drag chain conveyors, or as a speed switch for screw conveyors.

The sensor is used in conjunction with a PLC or with 4B's Watchdog™ Elite or A400 Elite control units. Two output signals are provided: one signal is a pulse output, representing each bucket detected: the second signal is a continuous output when moving buckets are detected.

Features:

• Magnetic Proximity Belt Speed and Belt Alignment Sensor

• Detects Moving Steel Ferrous Targets

• Adjustable Sensing Range of 1 to 3 Inches

• Not Affected by Material Build Up

• Stainless Steel Construction

• High Temperature Version Available

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	Note: The WDA is Available inTwo Models (Standard & High Temp.).		Literature:
			• Product Datasheet
	Standard WDA Sensor Technical Specifications:		• Full Line Product Catalog
	• Part Number - WDA3V34C		(See Downloads for more literature
	• Voltage - 12 to 24 VCD ±10%
	• Supply Current - 65 mA		Technical:
	• LED Indicator - Green (Flashing), Target Detected		• Product Manual - WDA3V34C
	Green (Off), No Target Detected		• Product Manual - HTAS1v34
	• Outputs (Max) - 100 mA Sink (Pull)
	50 mA Source (Push)		Product Dimensions:
	• Detection Range - Adjustable 1 to 3 inches (25 mm - 76 mm)		WDA3V34C -
	• Detection Rate - 20 to 2,000 Targets/Minute		• .dwg (AutoCAD) .pdf
	• Cable - 6 Conductor (9 ft.)
	• Conduit Entry - 1/2 in. NPT		HTAS1V34 -
	• Temperature Rating - +160° F to -14° F		• .dwg (AutoCAD) .pdf
	• Protection - IP66

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






	High Temperature WDA Sensor Technical Specifications:
	• Part Number - HTAS1V34
	• Voltage - 12 to 24 VCD ±10%
	• Supply Current - 130 mA
	• LED Indicator - Green (Flashing), Target Detected
	Green (Off), No Target Detected
	• Outputs (Max) - 100 mA Sink (Pull)
	• Detection Range - Adjustable 1 to 3 inches (25 mm - 76 mm)
	• Detection Rate - 20 to 2,000 Targets/Minute
	• Cable - 3 Conductor (12 ft.)
	• Conduit Entry - 1/2 in. NPT
	• Temperature Rating - +302° F to -14° F (Continuous)
	+356° F to -14° F (Maximum)
	• Protection - IP66

	Approvals:
	• ATEX, CE & IECEx Versions Available






	Part Numbers and Accessories:
	• WDA3V34C ~ WDA Standard Sensor
	• HTAS1V34 ~ WDA High Temperature Sensor
	• WDAMB ~ Sensor Mount (Included with Sensor)
	• SR2V5-1 ~ Speed Relay
	• WDC3NV46C ~ Watchdog Elite Monitoring System
	• A4004V46C ~ A400 Elite Monitoring System


	Literature:		Product Dimensions:
	• Product Datasheet		WDA3V34C -
			• .dwg (AutoCAD) .pdf
	Technical:
	• Product Manual - WDA3V34C		HTAS1V34 -
	• Product Manual - HTAS1v34		• .dwg (AutoCAD) .pdf

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


			WDA High Temperature Sensor The WDA high temperature sensor (HTAS1V34) is for environments reaching temperatures up to +302° F (Continuous) or +356° F (Maximum).









			WDA Sensor Mount The WDAMB senor mount (included with sensor) attaches to the WDA senor and the housing of the machine. A bolt within the mount allows the sensor to be easily loosened and adjusted to the best sensing depth for the application.









			Speed Relay The DIN rail mounted speed relay can be used with the WDA sensor to measure pulse rate (speed). If the pulse rate stops or slows, the relay contact output within the speed relay will change and can sound an alarm or shutdown machinery. See Speed Relay


			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. See Watchdog Super Elite









			A400 Elite The A400 Elite monitors belt alignment on bucket elevators by detecting moving metallic buckets or bolts. The unit can be used on either one or two bucket elevators. See A400 Elite


	The WDA sensor will not calibrate, what is the issue?
	Make sure that the orange wire is connected correctly, this powers the potentiometer (calibration screw).

	Why will the LED on the back of the sensor not turn on?
	Check to see that there are no objects stuck to the face of the sensor (washer, bolts, etc.). Due to the magnetic pull
	on the face of the sensor, objects can stick and interfere with the sensor.

	What if the best sensing depth of the WDA sensor?
	The WDA sensor can detect ferrous targets from 1 to 3 inches away. Keep in mind the distance of other objects within
	the sensing area. For example, a belt splice on a bucket elevator may be longer than the intended target and can
	interfere or hit the WDA sensor.









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Material Handling

Electronics

WDA Motion Alignment Sensor
Belt Alignment and Motion Sensor

Non-contacting extended range magnetic proximity sensor, not affected by dust or material build up, used to detect moving ferrous material up to 3 inches away from the sensor.

The sensor is used in conjunction with a PLC or with 4B's Watchdog™ Elite or A400 Elite control units. Two output signals are provided: one signal is a pulse output, representing each bucket detected: the second signal is a continuous output when moving buckets are detected.

Features:

• Magnetic Proximity Belt Speed and Belt Alignment Sensor

• Detects Moving Steel Ferrous Targets

• Adjustable Sensing Range of 1 to 3 Inches

• Not Affected by Material Build Up

• Stainless Steel Construction

• High Temperature Version Available

Material Handling

Electronics

WDA Motion Alignment Sensor Belt Alignment and Motion Sensor

Non-contacting extended range magnetic proximity sensor, not affected by dust or material build up, used to detect moving ferrous material up to 3 inches away from the sensor.

The sensor is used in conjunction with a PLC or with 4B's Watchdog™ Elite or A400 Elite control units. Two output signals are provided: one signal is a pulse output, representing each bucket detected: the second signal is a continuous output when moving buckets are detected.

Features:

• Magnetic Proximity Belt Speed and Belt Alignment Sensor

• Detects Moving Steel Ferrous Targets

• Adjustable Sensing Range of 1 to 3 Inches

• Not Affected by Material Build Up

• Stainless Steel Construction

• High Temperature Version Available

WDA Motion Alignment Sensor
Belt Alignment and Motion Sensor