MODEL FP-10
Read Instructions Carefully!
CURTIS INSTRUMENTS, INC.
200 Kisco Ave.
Mount Kisco, New York 10549
914-666-2971
www.curtisinstruments.com
53090 Rev B 6/18
TABLE OF CONTENTS
1. Technical Specifications
1.1 Electrical 2
1.2 Mechanical 4
1.3 Environmental 5
2. Installation 6
3. Operation 11
4. Maintenance 13
5. Warranty 14
SAFETY INSTRUCTIONS
This product was manufactured and tested according to the
applicable technical standards. It complies with all the safety
regulations as shipped from the factory.
Installation and startup must be performed by skilled
personnel.
Failure to install and operate the unit in accordance with these
instructions may result in damage or injury.
If safe operation of the product can no longer be ensured, stop
and secure it against accidental operation.
If product failure or malfunction may cause personal injury or
material damage, use additional safety measures such as limit
switches, guards, etc.
Read the Operating Instructions carefully before startup.
Note the safety instructions marked with this
warning symbol in this manual!
2 3
1. TECHNICAL SPECIFICATIONS
1.1 Electrical:
Wiring
The Model FP-10 has a 1 meter long, nine circuit
cable for ease of wiring into any system. The wiring
assignment of the FP-10 is shown in Table 1:
Signal Name Wire Color
POT Low Black
POT Wiper White
POT High Red
Neutral Switch Green
Neutral Switch Blue
Full Throttle Switch Yellow
Full Throttle Switch Brown
Spring 1 Detect Switch Orange
Spring 2 Detect Switch Purple
Potentiometer
Resistance: 5kΩ ± 10%
Power Rating: 2W max.
Rotational cycles: +1,000,000
Neutral & Full Throttle Switches
Type: SPST – NO
Current Rating: 10A @ 30Vdc (resistive load)
Voltage Rating: 250V
Spring Detect Switches
Type: SPST – NC
Current Rating: 20mA
Voltage Rating: 15V
Table 1: Wire Assignments
Pedal
Position
Angle in
degrees
Switch #1
(Neutral)
Switch #2
(Full Throttle)
Pot Output
(Ohms)
A 0° Open Open < 10
B 4° ±1° Closed Open 100 – 400
C 26° ±1° Closed Closed 4.5K – 5.0K
D 30° ±3° Closed Closed 4.5K – 5.5K
Table 2: Operating Specifications
4 5
Chemical Resistance
• Engine Oil
• Diesel Fuel
• Hydraulic Fluid
• Ethylene Glycol
• Urea Nitrogen 46%
• Liquid Lime
• NPK Fertilizer
• Ammonia
• Calcium Chloride
Salt Spray
Designed to meet ASTM B117-09, 5% salt fog spray
solution at 35 degrees C for 96 hours.
Solar Radiation
Designed to meet UV exposure per ASTM G155 Cycle
7A – 0.55W/m^2 at 340nm for 500 hours 63C continuous
temperature, no water spray.
Shock
Designed to meet EN 60068-2-27: 3 shocks in all 3 axes
in both directions (18 shocks in total), 500 m/s², 11ms, half
sine wave location 3.
1.2 Mechanical
The molded housing is a glass filled nylon
6/6. It is sealed to IP-67. Refer to Outline &
Installation Drawings for detailed specifications. The
FP10 is designed to meet 1 million cycles of use.
1.3 Environmental
Temperature
Operating: –40°C to +85°C
Storage: –40°C to +85°C
Humidity
Soak: Designed to meet EN 60068-2-78. Test Cab:
Damp Heat, Steady State, 10 days at 95% RH (±3%),
and 30°C.
Cyclic: Designed to meet EN 60068-2-30. Test Db:
Damp Heat, Cyclic (12hr + 12hr cycle). Test method
variant 1. 6 cycles (each cycle is 24hrs), 90% RH.
Ingress Protection
Designed to meet EN 60529-IP67.
6 7
2. INSTALLATION
The Model FP-10 Dimensions (mm):
SEE NOTE 5
128.5
50.0
SEE NOTE 8
0.0
104.0
123.0
Ø8.5
80.0
40.0
66.5
0.5
+
8.5
+
0.5
0.0
NOTES:
1. Materials:
Case, Cover & Pedal: Glass Filled PA66;
Shaft: Stainless Steel.
2. Cable: #18AWG, 9 Wires, PVC Jacket, UL 80 C,
300V Rated.
3. Pedal Travel: 30˚ ±3˚.
4. Weight: 1Kg Max.
5. The Pedal can be mounted on either side of the
shaft at any angle. Maximum tightening torque not to
exceed 7.8 Nm (70 in-lbs)
6. For safety, a mechanical stop between the angular
position of 26° and 30° of travel should be used, if a
maximum normal force of 23 kgf (50 lbf.) is going to
be applied to the pedal during operation.
7. Spring switch can be used to detect failure of the pedal
return springs. Check for the possibility of spring failure
if the switch is open and/or pedal resistance force is
reduced by 50%.
8. Recommended mounting hardware: M8 or 5/16.
Recommended torque: 2.7 Nm (24 in-lbs).
8 9
1,000±150.0
Pedal Travel Angle
SEE TABLE 2
A
C
B
Pedal Initial Position
D
153.0
MAX
140.0
70.0
5.0
61.0
SEE NOTE 5
128.5
50.0
SEE NOTE 8
0.0
104.0
123.0
Ø8.5
80.0
40.0
66.5
0.5
+
8.5
+
0.5
0.0
FP-10 Dimensions cont’d
10 11
FP-10 Dimensions cont’d
Label
61.0
3. OPERATION
The Model FP-10 includes the following features:
• 0 – 5k potentiometer output which easily interfaces
with motor controller throttle inputs and avoids
the necessity of a dedicated power supply (Curtis
98191 potentiometer).
• Dual return springs to ensure safe operation. A
sudden reduction of pedal resistance of more than
50% indicates a single spring failure.
• Return spring failure detection switches monitor
each return spring and allow the vehicle designer
to signal the user of a potential throttle fault. The
spring failure detection switches can also be used
to implement a limp-home mode to ensure that
the vehicle can return to a safe location thereby
eliminating stranding the vehicle.
• The foot pedal includes two micro-switches to
indicate idle validation and full throttle further
ensuring safe vehicle operation.
12 13
• Flexible design allows the foot pedal to be mounted
on the floor or suspended on the firewall, to locate the
pedal on the right or left side of the unit and adjust
the pedal to any desired angle.
• The glass filled nylon housing enclosure is protected to
IP67 and is rated for operation from –40°C to +85°C to
ensure reliable and safe use in harsh environments.
• The FP-10 is rated for 1 million cycle operation over
its full specification thereby ensuring that it lasts for
the life of the vehicle.
• The FP-10 is supplied with a 1 meter length cable which
is terminated in flying leads, and a loose foot pedal.
• For safety, a mechanical stop between the angular
position of 26° and 30° of travel should be used, if a
maximum normal force of 23 kgf (50 lbf.) is going to
be applied to the pedal during operation.
• Throttle input can be configured from 0 – 5K using the
black and white wire or can be configured as a 5K – 0
using the red and white wire.
4. MAINTENANCE
Curtis Model FP-10 series is not field serviceable. Return
defective units to your distributor for warranty coverage.
14 15
Curtis Instruments’ products and/or components are
guaranteed against defects in workmanship and material for
a period of one year, or as defined in the individual product
literature, from date of shipment from our factory, when applied
in a proper application within specified ratings. This guarantee
is limited to repair or replacement F.O.B. our factory. There
is no further warranty or implied representation, guarantee,
promise or agreement as to any Curtis Instruments product
and/or component. Curtis Instruments, Inc., cannot assume
responsibility or accept invoices for unauthorized repairs to
its products and/or components,even though defective. In no
case will Curtis Instruments’ responsibility extend to products,
components or equipment not of its manufacture. Under no
circumstances shall Curtis Instruments, Inc., be liable for any
special or consequential damages or loss of profits or other
damages. Returned goods will not be accepted unless
identified by a Curtis Return Material Authorization (RMA).
All specifications are subject to
change without notice.
5. WARRANTY
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