Hall Effect
Long Life Potentiometer Substitute
FEATURES
• Ratiometric analog output
• Debris resistant Hall effect sensor
technology
•
7
million rotational cycles
• Single or redundant output
• Custom output options
• Optional shaft and panel seal
• Reverse voltage and overvoltage
protection
APPLICATIONS
• Test & Measurement equipment
• Audio / Visual equipment
• Potentiometer substitute with long life
• Agriculture & Construction engine speed
control
SERIES 68P
DIMENSIONS
in inches [millimeters]
Hall Effect
.161
±
.002
[ 4,09
±
0,05 ]
Ø
.380
±
.003
[ 9,65
±
0,07 ]
.057
±
.002
[ 1,45
±
0,05 ]
Suggested Mounting Panel Cutout
TERMINATION OPTIONS
654321
654321
654321
PIN 1
M AT I N G C O N N E C T O R
AMP P/N 7-215079-6
PIN 1
.050” Connector
.050” Stripped Cable
.050” Pin Header
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Hall-Effect
ELECTRICAL SCHEMATIC
Hall
Effect
Sensor A
VDD
Reserved
OUT_A
OUT_B
Reserved
Gnd
PIN #
6
5
4
3
2
1
VDD
PIN #
6
5
Hall
Effect
Sensor
OUT
Reserved 4
Reserved 3
Reserved
Gnd
2
1
Hall
Effect
Sensor B
Redundant
Single Sensor
* Customized electrical outputs are available. Contact Grayhill for additional details.
SPECIFICATIONS
Operating Voltage:
Minimum 4.5V,
maximum 5.5V (VDD)
Absolute Maximum Voltage* on Pin 6 (VDD):
-18V
to +27V
Supply Current Redundant Sensors:
Typical
22mA, maximum 40mA
Supply Current Single Sensor:
Typical 11mA,
maximum 20mA
Output Current:
2.5mA max
Recommended Load:
2K-5.6K Ohms Pull-Down
Resistor
Power-Up Time:
20ms
Sensor Error:
When an internal sensor error occurs,
the ouput goes to < 4% of supply (VDD)
Electrical Ratings
Solderability:
95% free of pin holes & voids, MIL-
STD-202, Method 208
Environmental Ratings
Soldering Recommendation
Hand solder only per IPC J-STD-001
Life:
7,000,000
cycles of operation. 1 cycle is a
rotation through all positions and a full return
Average Rotational Torque:
1.5 in-oz maximum
Maximum rotational speed:
100 rpm
Mounting Torque:
15 in-lbs. maximum
Shaft Pushout / Pulloutut Force:
45 lbs. / 45 lbs.
minimum
Terminal Strength:
15 lbs. minimum. Cable
or
Header pullout force, MIL-STD-202, Method 211A,
Test Condition A
Physical & Mechanical Ratings
Mechanical
Operating Temperature:
-40°C to 85°C, IEC 68-2-
1, Test Aa and IEC 68-2-2, Test Aa
Storage Temperature:
-55°C to 85°C, IEC 68-2-1,
Method Aa and IEC 68-2-2, Method Ba
Humidity:
96 hours @ 90-95% humidity @ 40°C,
MIL-STD-202, Method 103B
Mechanical Vibration:
Harmonic motion
with amplitude of 15g within a varied
frequency of 10 to 2000 Hz for 12 hours, MIL-
STD-202, Method 204, Test Condition B
Mechanical Shock:
Test 1: 100g for 6 ms half-sine wave with a
velocity change of 12.3 ft/s.
Test 2: 100g for 6 ms sawtooth wave with a
velocity change of 9.7 ft/s, MIL-STD-202, Method
213, Test Condition C and I
Thermal Shock:
25 cycles from -55°C to 100°C,
MIL-STD-810F, Method 503.4, procedure I
Seal:
IP67, Meets IEC 60529
Cable:
Copper stranded with topcoat in PVC, 28
AWG (cable version only)
Header Pins:
Tin-plated phosphor bronze
ROHS Compliant
EMC Ratings
Radiated Immunity:
Meets ANSI/ASAE EP455 5.16
(100 V/m, 0. 014-1000 MHz, 3 orientations)
Conducted Immunity:
Meets IEC 61000-4-6, Level 3
Radiated Emissions:
Meets ISO 14982, Sec 6.4
(Broadband), Sec 6.5 (Narrowband) limits
Conducted Emissions:
Meets CISPR 25, Class 3
Electrostatic Discharge:
Meets ANSI/ASAE EP455
5.12, Level 1
Power Frequency Magnetic Field:
Meets IEC 61000-
4-8, 100 V/m
* Exceeding the Absolute Maximum Voltage may result in
permanent damage to the device. This is a stress rating only
and functional operation of the device at those or any other
conditions above those indicated in the operation listings of
this specification is not implied.
Hall Effect
Materials and Finishes
Bushing:
Zinc
Shaft:
Stainless Steel
Hex Nut:
Nickel plated brass
Lockwasher:
Spring steel, zinc plate with clear
trivalent chromate finish
Encoder has ratiometric analog output (output levels are proportional to the supply voltage). Specifications on
this datasheet apply @ VDD = 5.00 V.
ORDERING INFORMATION
Grayhill Series Number
Style: A =
5.0V
Sensor Type:
R = Redundant; S = Single
Seal:
N = No shaft / panel seal
S = Shaft /panel seal
MOUNTING PANEL RECOMMENDATIONS
FOR PANEL SEAL VERSION:
1. Panel thickness should not exceed 0.157".
2. Mounting hole diameter to be per recommended
dimensions.
3. 0.470" X 0.020" counter bore required for proper
sealing.
4. Anti-rotation feature is recommended. Feature
should be designed to lock into bushing keyway.
68PXXX-XXXX
Cable Length:
020 = 2”
030 = 3”
040 = 4”
050 = 5”
060 = 6”
Leave blank if header
Termination:
S = .050” Center cable with .100 stripped end
C = .050” Center ribbon cable with connector
P = .050” Header
For prices and custom configurations, contact a local sales office, an authorized distributor,
or Grayhill's sales department.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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