Duff-Norton SPA Series Guida
SPA ACTUATOR
with Intelli-Motion™ Technology
Installation, Operation &
Maintenance Instructions
Publication Part No. DN-SADG-01
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CAUTION
!
This manual contains important information for the correct installation, operation and maintenance of the equipment
described herein. All persons involved in such installation, operation and maintenance should be thoroughly familiar
with the contents. To safeguard against the possibility of personal injury or property damage, follow the
recommendations and instructions of this manual and keep it for further reference.
WARNING
!
The equipment shown in this manual is intended for industrial use only and should not be used to lift, support or
otherwise transport people.
May 2022 © Duff-Norton®
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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Table of Contents
Section 1 General Information
1.1 General ............................................................................................................................3
1.2 Applications ....................................................................................................................3
1.3 Factory Preparation........................................................................................................3
1.4 Warranty ..........................................................................................................................3
1.5 Dimensions and Specifications .....................................................................................4
Section 2 Installation
2.1 Installation Procedures ..................................................................................................8
2.2 Wiring Diagrams..............................................................................................................9
2.3 Analog I/O Adjustments ...............................................................................................15
2.4 Limit Switch Adjustment ..............................................................................................16
2.5 Setting the Actuator Speed ..........................................................................................16
2.6 LED Indicators...............................................................................................................16
Section 3 Configurator Software
3.1 Installation ....................................................................................................................17
3.2 Settings .........................................................................................................................17
Section 4 Operating Instructions
4.1 Models with Discrete I/O Control Interface.................................................................19
4.2 Models with Ethernet I/P Control Interface.................................................................20
Section 5 Maintenance
5.1 Lubrication ....................................................................................................................34
5.2 Required Tools ..............................................................................................................34
5.3 General Procedures ......................................................................................................34
5.4 SPA Actuator Disassembly Instructions .....................................................................34
Section 6 Technical Illustrations
6.1 Brake Alignment............................................................................................................45
Section 7 Troubleshooting
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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Section 1
General Information
1.1 General
This manual provides instructions for the installation, operation, and maintenance of the Duff-Norton SPA with Intelli-
Motion Actuator. It includes proper procedures for the disassembly, cleaning, inspection, rebuilding and assembly of the
actuator. To ensure efficient, long, satisfactory use of this unit, follow these instructions closely.
1.2 Applications
The actuators described and illustrated in this manual are intended for industrial use only and should not be used to lift,
support or otherwise transport people (unless you have a written statement from Duff-Norton Company that authorizes
this actuator unit, as used in your application, as suitable for moving people).
1.3 Factory Preparation
Each actuator is carefully assembled and tested at the factory to ensure that the motor and the mechanical components
will function properly, and that the actuator will lift its rated load.
The brake is preset at the factory and no further adjustment is required. With proper maintenance, this brake prevents the
actuator from self-lowering. The actuator is pre-lubricated at the factory and thus requires minimum maintenance.
Limit switches are checked at the factory for proper functioning.
1.4 Warranty
Subject to the conditions stated herein, Duff-Norton will repair or replace, without charge, any parts proven to Duff-
Norton’s satisfaction to have been defective in material or workmanship. Claims must be made within one year after date
of shipment. Duff-Norton will not repair or replace any parts that become inoperative because of improper maintenance,
eccentric loading, overloading, chemical or abrasive action, excessive heat, or other abuse.
Equipment and accessories not of Duff-Norton’s manufacture are warranted only to the extent that they are warranted by
the manufacturer, and only if the claimed defect arose during normal use, applications and service.
Equipment which has been altered or modified by anyone without Duff-Norton’s authorization is not warranted by Duff-
Norton. EXCEPT AS STATED HEREIN, DUFF-NORTON MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
If you have any questions concerning warranty repair, please contact Duff-Norton Customer Service. Authorization for
return must be received from Duff-Norton before returning any equipment for inspection or warranty repair.
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
Page 4 of 48
1.5 Dimensions and Specifications
1.5.1 Envelope and Mounting Dimensions
1.5.2 Specifications
* Custom stroke lengths available. Contact the factory or a sales representative.
Mechanical Specifications
Dynamic Rated Load 1,500 lbs (6.7 kN)
Minimum Stroke Length* 6 in. (152 mm)
Maximum Stroke Length* 24 in. (610 mm)
Stroke Length Increments* 6 in. (152 mm)
Maximum Speed at Dynamic Rated Load 0.83 in./sec (21 mm/sec)
Duty Cycle Range at Dynamic Rated Load xx% - 30%
Duty Cycle Range at Reduced Load xx% - xx%
Operating Temperature Range 25° - 104°F (-4° - 40°C)
Ingress Protection Rating (static and dynamic) IP54
Anti-Rotation Feature Yes
Restraining Torque 215 in.-lbs (24.2 Nm)
Screw Type ACME
Minimum Weight (6 in. Stroke Unit) 35 lbs (16 kg)
Maximum Weight (24 in. Stroke Unit) 41 lbs (19 kg)
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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Electrical Specifications
Supply Voltage* 115 VAC, 1P, 50-60 Hz
Current at No Load 2.0A +/- 15%
Current at Dynamic Rated Load and Max. Duty Cycle 8.0A +/- 15%
Control Voltage 24V DC +/- 30%
Analog Input Range 0 - 10V DC or 4 - 20 mA, selectable
Analog Output Range 0 - 10V DC or 4 - 20 mA, selectable
Digital Inputs
Rin 3,150 Ohms
Tolerance +/- 4%
Voltage Range 15 - 32V DC, 24V DC Nominal
ON Voltage >15V DC
OFF Voltage <8V DC
Maximum Voltage 40V DC
Minimum ON Current 4.7 mA
Maximum OFF Current 2.4 mA
Digital Outputs
Type Solid State Relay
Contact Resistance (includes Protective Elements) 75 - 85 Ohms
Voltage Range 15 - 32V DC, 24V DC Nominal
Maximum Voltage 40V DC
Maximum Current 64 mA (23C), 54 mA (40C)
Protective Elements Self-Resetting Fuse (PTC)
SPA Actuator with Intelli-Motion™ Technology Manual R00
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1.5.3 Ratings Graphs
1.5.3.1 Duty Cycle vs. Load (60 Hz)
1.5.3.2 Duty Cycle vs. Speed (at maximum rated load/Hz)
10
20
30
40
50
60
0 250 500 750 1000 1250 1500
Duty Cycle (%)
Load (lbs)
Duty Cycle vs. Load
(60 Hz, 0.83 ips)
10
20
30
40
50
60
0.00 0.42 0.83 1.25
Duty Cycle (%)
Speed (ips)
Duty Cycle vs. Speed
(At Absolute Maximum Load)
1.66
Load (lbs)
1500
1250
1000
750
500
250
0
DC (25C) Max Load (lbs)
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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1.5.3.3 Load vs. Speed (30% Duty Cycle)
1.5.3.4 Absolute Maximum Load Per Hz vs. Speed
1500
1250
1000
750
500
250
0
0.00 0.42 0.83 1.25 1.66
Load (lbs)
Speed (ips)
Load vs. Speed
(30% Duty Cycle)
1500
1250
1000
750
500
250
0
0.00 0.42 0.83 1.25 1.66
Load (lbs)
Speed (ips)
Absolute Maximum Load vs. Speed
(Duty Cycle Decreases Above 0.83 ips)
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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Section 2
Installation
2.1 Installation Procedures
2.1.1 Mechanical Installation
Duff-Norton electromechanical actuators can be used in tension, compression or combination tension/compression
applications. Examples of tension and compression appear on the right.
Mount the actuator to avoid side loading and eccentric loading. To optimize the performance and life of the actuator,
mount it so that the load is applied along the longitudinal axis of the translating tube. Examples of proper and improper
loading arrangements appear below.
Proper Loading
Improper Loading
Side Loading Eccentric Loading
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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Once the optimal mounting arrangement has been determined, mount Duff-Norton electromechanical actuators by
slipping a solid pin through the translating tube clevis and rear housing clevis. The pins must be parallel to each other to
avoid binding. The actuator restraining brackets and related hardware must be able to withstand the torque generated by
the actuator as it extends and retracts. Restraining torque varies with actuator family.
2.2 Wiring Diagrams
2.2.1 AC Power
Figure 2-1: AC Power
Power Receptacle
Receptacle Part Number: MINH-3MR-1
Mating Power Cable: MINH-3FP-XX
Note: XX notates the cable length
Pin Function
Earth Ground
Hot
Normal
1
2
3
(25.4)
1.0
Power Wiring Diagram
(All Models)
Power Receptacle 7/8"
PIN 1
PIN 2
PIN 3
VAC Hot
VAC Neutral
SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
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2.2.2 Base Model
Figure 2-2: Base Model
Analog and Digital
Receptacle Part Number: MDC-12MR-4-1
Mating Part: MDCPM-12FP-XX*
(17.5)
0.69
XX* = length
Base Model Wiring Diagram
Signal Receptacle M12
Extend Limit Reached
Retract Limit Reached
Healthy / Fault
Moving
DO Common ØV
ØV
+24V
+24V
NC
NC
NC
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 9
PIN 10
PIN 11
PIN 12
Enable
Extend
Retract
DI Common
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