Danfoss MCX120A String Potentiometer (Yo-Yo) Sensor User guide
- Type
- User guide
Revision history Table of revisions
Date Changed Rev
September 2015 Conversion to Danfoss layout DA
July 2013 Feature and Options list and Dimension drawing CA
March 2011 Added PLUS+1® Compliant BB
January 2011 Connection diagram BA
January 2011 Typo AB
January 2011 Replaces BLN-96-9242-E AA
Technical Information MCX120A String Potentiometer (Yo-Yo) Sensor
2 L1008931 • Rev DA • September 2015
Overview
Description..........................................................................................................................................................................................4
Features................................................................................................................................................................................................4
Ordering information......................................................................................................................................................................4
Theory of operation.........................................................................................................................................................................4
Technical data
Electrical...............................................................................................................................................................................................5
Installation
Dimensions.........................................................................................................................................................................................6
Accessories..........................................................................................................................................................................................7
Wiring....................................................................................................................................................................................................7
Technical Information MCX120A String Potentiometer (Yo-Yo) Sensor
Contents
L1008931 • Rev DA • September 2015 3
Description
The MCX120 String Potentiometer (Yo-Yo) Sensor uses a 10-turn potentiometer as the sensing element
for length measurement. It is designed for use as a feedback sensor in for example measuring the cutting
depth of a planer.
Features
•
Rugged housing
•
Easy to install
•
Internal “Snap-Back” protection
•
MS connector
•
Length measurement up to 400 mm
•
Moisture and corrosion resistant
•
Withstands vibration and shock
Ordering information
Reference
Part number Total resistance Connector
500394 1 kΩ 6 pin MS
Theory of operation
The sensor consists of a 10-turn potentiometer, a spring mechanism and a spooled steel cable.
The potentiometer with a total resistance of 1 kΩ (± 10 %) converts the cable length into a usable
electrical signal.
With the complete retracted cable the resistance between B and C is about 800 Ω, during pulling the
cable the resistance is reduced down to minimum about 300 Ω.
The calibration of the sensor is done in the connected control unit.
Technical Information
MCX120A String Potentiometer (Yo-Yo) Sensor
Overview
4 L1008931 • Rev DA • September 2015
Electrical
Specifications
Input voltage
4.5 to 12 Vdc
Resistance tolerance
± 10 % related to RTOTAL
Linearity
± 0,2 %
Load 2W
70° C (158° F)
Technical Information MCX120A String Potentiometer (Yo-Yo) Sensor
Technical data
L1008931 • Rev DA • September 2015 5
Dimensions
MCX120A String Potentiometer (Yo-Yo) Sensor: Retracted; and Extended
102.00 [4.02]
13.20 [0.52]
2.00 [0.08]
50.00 [1.97]
76.00 [2.99]
119.00 [4.67]
2.00 [0.08]
150.00 [5.91]
12.00 [.47]
83.00 [3.27]
14.00 [.55]
41.00 [1.61]
65.00 [2.56]
65.00 [2.56]
500.00 [9.69]
Technical Information MCX120A String Potentiometer (Yo-Yo) Sensor
Installation
6 L1008931 • Rev DA • September 2015
Accessories
Reference
Part Number Type Cable length
KW01009 Unshielded 2 to 10 ft
KW01026 Shielded 2 to 10 ft
Wiring
Connection diagram
P200 048
RTOTAL 1kΩ
A
B
C
D
E
F
Technical Information MCX120A String Potentiometer (Yo-Yo) Sensor
Installation
L1008931 • Rev DA • September 2015 7
Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic and
electronic components. We specialize in providing state-of-the-art technology and solutions
that excel in the harsh operating conditions of the mobile off-highway market. Building on
our extensive applications expertise, we work closely with our customers to ensure
exceptional performance for a broad range of off-highway vehicles.
We help OEMs around the world speed up system development, reduce costs and bring
vehicles to market faster.
Danfoss – Your Strongest Partner in Mobile Hydraulics.
Go to www.powersolutions.danfoss.com for further product information.
Wherever off-highway vehicles are at work, so is Danfoss. We offer expert worldwide support
for our customers, ensuring the best possible solutions for outstanding performance. And
with an extensive network of Global Service Partners, we also provide comprehensive global
service for all of our components.
Please contact the Danfoss Power Solution representative nearest you.
Local address:
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Shanghai, China 201206
Phone: +86 21 3418 5200
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products already on order provided that such alterations can be made without changes being necessary in specifications already agreed.
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
L1008931 • Rev DA • September 2015 www.danfoss.com
©
Danfoss A/S, 2013
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Danfoss MCX120A String Potentiometer (Yo-Yo) Sensor User guide
- Type
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