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Theory of OperationTheory of Operation
204450C US
®• Duty cycle is defi ned as the ratio of run time
vs. off time, and is a function of environmental conditions including ambient temperature, supply voltage and control signal stability
While power is present, the actuator will respond to drive control signals depending on the model chosen.
A 2 position unit will drive until it reaches the full end of travel setting opposite the spring return direction.
A Proportional control unit will follow an analog control signal for positioning and will HOLD until a modifi ed control signal is received.
In each of these models a motor brake unit is utilized to HOLD the actuator in position until commanded to move OR a loss of supply voltage.
If power is lost or removed at any time, the brake is released and the mechanical spring mechanism returns the actuator to its normal (unloaded) position. Once the spring mechanism has been released, the actuator will not drive under power again until all criteria are met:
a) The unit has reached its fail stop (unloaded) position, b) Power has been restored to the actuator. c) Initial Power Startup time delay has elapsed
* 24V units On/Off Only** 3 phase solutions use a single phase transformer in a local control station to power the actuator.
This image shows a CW actuator.
Page 1 of 4 PAO Spring Return Series
A SPRING RETURN electric actuator designed for load requirements up to 445”lbs. The actuator comes standard with two auxiliary switches (Form C), an internal low power heater, a NEMA 4X environmental rating, and in 120/230VAC or 24VAC/DC (On/Off only) supply voltages. The PAO Series mechanical connections utilize an ISO5211 mounting system, size F07 with an 8 point 17mm female drive. The PAO Series is offered in two different control modes....On/Off (2 position control), or Proportional (modulating control).
Application requirements will dictate whether to utilize a CW (clockwise spring return) or CCW (counter-clockwise spring return) model.
Spring return direction is NOT changeable and actuator must be configured for spring return direction at time of order.
Data Sheet
PAO Series w/ Manual Override
ISO5211 F07 8P17
Actuator Specifi cations PAOTorque “lb/Nm 445”lbs/50NmSupply Voltage 24vac/dc 120vac 230vacMax Inrush Current 4.0A 2.0A 1.3ARunning Current 3.0A 1.0A 0.7AMotor DC Brush Type Split Phase CapacitorRuntime (90°@60Hz/vdc) 7.0 sec 7.0 secRuntime (90O@50Hz) 7.0 sec 9.0 secRuntime (spring) 3.0 sec 3.0 secDuty Cycle 50%Motor Starts 300 per hourWeight 88lbs / 40kgMechanical Connections ISO5211 F07 8pt 17mmElectrical Entry (2) 3/4” NPTElectrical Terminations 12-16gaEnvironmental Rating NEMA 4/4XManual Override 7.6” HandwheelControl On/Off On/Off, ProportionalActuator Case material Aluminum Alloy, Powder coated
Motor Protection 230°F/110°C Thermal F* Class*Totally Enclosed Non-Ventilated Motors
Ambient Temperature Operating Range
-22°F to +149°F-30°C to +65°C
S500-110-T(M)S500-220-T(M)
S500-24A-TS500-24D-T
SD
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Easily distinguishable yellow/red position
indicator
Piston/RackComponent (2)
OverrideHandwheel
Heavy DutyDrive Motor
Modular ControlCards
Aluminum Casting4X Protection
Top Cover Screws (4)
Aluminum Casting4X Protection
Spring Pack (2)
ISO5211 Base Mounting System
Motor Brake
Spring Wind-Up Travel Control Switches
Heater
Rack GuidanceThrust Bearings
Auxiliary Switches (2)
End Cap (2)
Spring Return SeriesExploded View
(Override Unit, Typical)
CAUTION! Internal Springs are under EXTREME compression and must NOT be altered or modifi ed under any circumstances. DO NOT REMOVE END CAP SCREWS. Failure to comply with this warning could cause severe bodily injury and voids any liability or warranty
MISE EN GARDE! Les ressorts internes sont soumis à une compression EXTRÊME et ne doivent en aucun cas être modifi és ou modifi és. N’ENLEVEZ PAS LES VIS DE CAPUCHON. Le non-respect de cet avertissement peut causer des blessures corporelles graves et annule toute responsabilité ou garantie
Application Notes:1. These actuators are designed to be used between
a horizontal or upright position. Do NOT mount the actuator with the top below a horizontal position.
2. When installing conduit, use proper techniques for entry into the actuator. Use drip loops to prevent conduit condensate from entering the actuator.
3. Both NPT conduit ports MUST use proper equipment to protect the NEMA 4X integrity of the housing.
4. The internal heater is to be used in ALL applications.
5. D o N O T i n s t a l l o r s t o r e t h e a c t u a t o r outdoors or in humid env i ronments un less it is powered up and the heater is functioning.
6. Use p roper w i re s ize to p reven t ac tua to r failure (see chart below for proper wire sizing).
7. Mechanical travel stops are factory calibrated for 90 degree operation. These stops are NOT designed to adjust mechanical rotation by more than +/- 3 degrees.
Spring Pack Notes:A modular cast aluminum housing incorporates the mechanical drive train, the spring pack and rack assemblies, the output drive shaft, motor and control section.
The spring pack is NOT fi eld serviceable. Spring failure direction mode (CW or CCW) must be selected at time of order.
Page 2 of 4 PAO Spring Return Series
PAO Series Dimensional Data
PAO Series Views(CW Version shown)
1
1
2
2
A A
B B
Drawn By
Finish
Promation Engineering Inc.16138 Flight Path Drive
Brooksville, Fl 34604Phone: 352-544-8436Fax: 352-544-8439
This Document is the property of ProMation Engineering,Inc. Distribution of this document without the written
consent of the owner is Strictly forbidden. Failure to comply will incur a liability for Damages.
Checked By4/8/2015
PAO-CW Dim Data Rev.E
NO SCALE Sheet Number: 1
Material
ProMation Engineering, Inc.KHL
KHL
7/9/2013
PAO_CW F07 8P17 DimData.idw
Created:
Last Checked:
Part No.
Dwg. Name
Dimensional Data for PAO-CW Spring Return Actuators
Engineering Change NoticeChange Date Description Name
07.09.2013 Transferred file into Inventor format KHL
04.15.2014 Added tolerance on drive coupling data KHL
10.07.2014 Pushed square dimension to three decimal places KHL
04.08.2015 Added Isometric view of Drive Coupling and "Depth" tag for clarity KHL
REVA
B
C
D
E
F
Dimensional Tolerances (Unless Otherwise Noted):X ± 2.5mm [X.X ± .1]
X.X ± .3mm [X.XX ± .01"]X.XX ± .13mm [X.XXX ± .005"]
ALL TOLERANCE FEATURES IN mm
Drive Coupling Fabrication Data
17.00 - .13.00+ mm
0.669 - 0.0050.000+ in
17.00 - .13.00+ mm
0.669 - 0.0050.000+ in
30.00 mm1.181 inDepth
23.00 mm0.906 in
178 mm7.0 in
535 mm21.1 in
Add 312 mm[12.3 in] to allow
for coverremoval
35 mm1.4 in
90 mm3.5 in
70 mm2.8 inBHC
17.00 mm0.669 inSquare
(4) M8x1.25
15 mm0.6 in
F07 ISO Flange
194 mm7.6 in
215 mm8.5 in
171 mm6.7 in
(2) 3/4" NPTEMT Entry
180 mm7.1 in
185 mm7.3 in
148 mm5.8 in
238 mm9.4 in
PAO 24V572mm22.52 in
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On/Off Control
Proportional ControlProportional Control
Proportional control is used for damper or valve applications where the requirement is for the device to follow an analog control signal to provide modulating control of the device.
The unit will accept various control signal inputs (4-20mA, 2-10vdc or 1-5vdc) and also will provide an analog feedback signal for external signal referencing. In this scheme, the motor brake will engage any time the drive motor is NOT moving under power.
Only a loss of supply POWER will cause the spring mechanism to fail-position the actuator. However, a loss of control SIGNAL can be programmed to drive the actuator to either fully open, fully closed or to fail-in-position.
Proportional Control available for 120/230vac applications only.
On/Off (2 Position Control)On/Off (2 Position) control is used for damper or valve applications where the requirement is for either fully open or fully closed positioning.
This actuator must drive to its end of travel opposite the spring fail position. Loss of control signal or power before reaching its end of travel will cause the unit to spring return.
• Field Control Device may be relay contact, Switch or Triac type.
• Pilot device 10A MAX. • Auxiliary switches are rated 10A @ 250vac
MAX. • Terminals A-F are dry type Form C. • Terminals accept 12-16ga solid/stranded wire.
Wire sizing data is provided in this table to assist in the selection of the proper wire size for ProMation PA~PDO series actuators using various wire sizes over distance. Please make sure to reference the correct voltage and do not exceed the indicated length of the wire run for each model.
SAMPLE DIAGRAMSRefer to the proper IOM for your actuator for the correct wiring diagram or visit www.promationei.com.
Page 3 of 4 PAO Spring Return Series
Wiring Diagrams for PAO Series
0° - 85° *
85° - 90° *
COM *
F
E
D
C
B
A
6
5
4
3
1120VACLINE IN
* CONNECTIONSOPTIONAL
FIELDCONTROL
DEVICE
GND Screw
AS3
AS4
AUXILIARYSWITCH
(STANDARD)
AUXILIARYSWITCH
(STANDARD)
GND
0° - 5° *
5° - 90° *
COM *
7
LOAD
FEDCBA
-5° 0° 5° 85° 90° 95°
COM SW4
COM SW3
SP
RIN
G R
TN
(FU
LL
CW
)
LO
AD
SP
RIN
G(F
UL
L C
CW
)
OPEN showing in indicatorwindow = FULLY LOADED (CCW)
CLOSED showing in indicatorwindow = FULL SPRING RTN (CW)
RED
BLU
GRY
WHT
BRN
BLK
NH
PA/PAO-CW-1202S4
I
Use For:
WD
-85
0-A
4A
01
NO
NCCOM
NO
NCCOM
RED CAM
GRN CAM
FIE
LD
WIR
ING
INT
ER
NA
L A
CT
UA
TO
RW
IRIN
G
NEU
DRV
HOT
AOC
ANO
AOP
ACC
ANC
ACL
Actuator ships in the fullyUNLOADED (CW) position!
15W 1K8HEATER
BLU16J1
RED16
24VDCBrake
250V 6.3A 5x20 FBSA
17
6H
40
8-3
02
78
LS1
LS2
AS3
AS4
Switch StackDetail
GRN
RED
GRN
RED
TO J1
TO J3BLU22
GRY22
NCNOCOM
NCNOCOM
NCNOCOM
NCNOCOM
WHT164 3 2 1
LD1
LD3
LD2
LD4
J2
J3
LED1 - Power
LED3 - Fully OPENPosition
LED 2 - Driving inthe LOADDirection.
LED 4 - In SpringReturn andRestart Delay afterPower Trip.
U2
M
THERMALSWITCH
WHT16
BLK16
RED16
WHT22 - NOT POLARIZED
120/230:24VDCDCPS
(perm attach tobase PCB)
LS1
COM NC
NO
GRN CAM
BLU22 NON POLARIZED
LS2
COM NC
NO
RED CAM
GRY22 NON POLARIZED
120VAC DRIVE
MOTOR
Capacitor15uF/250V
0° - 85° *
85° - 90° *
COM *
F
E
D
C
B
A
* CONNECTIONSOPTIONAL
GND Screw
AS3
AS4
AUXILIARYSWITCH
(STANDARD)
AUXILIARYSWITCH
(STANDARD)
0° - 5° *
5° - 90° *
COM *
LS2
LS1
FEDCBA
-5° 0° 5° 85° 90° 95°
COM AS4
COM AS3
SP
RIN
G R
TN
(FU
LL
CW
)
LO
AD
SP
RIN
G(F
UL
L C
CW
)
OPEN showing in indicatorwindow = FULLY LOADED (CCW)
CLOSED showing in indicatorwindow = FULL SPRING RTN (CW)
RED16
BLU16
GRY16
WHT16
BRN16
BLK16
LS1
LS2
AS3
AS4
Switch StackDetail
GRN
RED
GRN
RED
MTHERMALSWITCH
ALL SWITCHESSHOWN WITHACTUATOR IN
SPRINGRETURN
POSITION
WHT16
BLK16
RED16120V
AC DRIVEMOTOR
Capacitor
NO
NCCOM
NO
NCCOM
NO
NCCOM
NO
NCCOM
24VBRAKE
RED CAM
GRN CAM
RED CAM
GRN CAM
FIE
LD
WIR
ING
INT
ER
NA
L A
CT
UA
TO
RW
IRIN
G
AOC
ANO
AOP
ACC
ANC
ACL
Actuator ships in the fullyUNLOADED (CW) position!
GND
15W 1K8JHEATER
POSITIONFEEDBACK
5K ohm
VR2
P2
RY1
UP SET
DN
MO
DE
SW1
LD9
12 3
45
678
90 1 ON
2345678
LD8LD7LD6LD4LD3LD2LD1 LD5
SW2MOTP3
VR1
P1
11
7
6
5
4
12 YEL
NEU
HOT
FB(+)
NEU
120VACLINE IN
HOT
Signal IN+
Signal Return
Feedback OUT+*
Signal Return*
FB(-)
SI(+)
SI(-)
WHT16
BRN16
BLK16
PA/PAO-CW-120PS4
F
Use For:
WD
-85
0-A
4C
01
BLU22 NON POLARIZED WHT22 - NOT POLARIZED
SW11 ON
2345678
FULL
UN
LOAD
FULL
WIN
D
POW
ER O
N
- INC
OR
REC
TSI
GN
AL IN
MO
TOR
TH
ERM
ALTR
IPFB
OU
T FA
ULT
EXC
ESSI
VE M
OTO
RC
UR
REN
TIN
CAL
IBR
ATIO
N
VIO
ORG
BRN
BLK
WHT
P2P1
GRY22 NONPOLARIZED
FBOffset
IRTrip+
TO P3
TO P2BLU22
GRY22
NCNOCOM
NCNOCOM
NCNOCOM
NCNOCOM
up
DEG
AUSS
CAB
LE IS
1:1
Pot Cal Check:@ Full SpringReturn, PCB
terminals 9:10shoudl read
300mV.
Wire Sizing ChartMAX distance between Actuator
and Supply (feet)
Actuator/ Voltage
PAO24VAC
PAO 120VAC
PAO 230VAC
4.0A 2.0A 1.3A
16 65 649 191514 105 1049 309312 160 1604 473110 273 2727 80428 407 4071 12003
WireGage
Amps
120VAC 230VAC
Hot L1
Neu L2
120VAC 230VAC
Hot L1
Neu L2
GND GND
SD
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Use your smart phone barcode scanner app here.
16138 Flight Path Drive Brooksville, FL 34604
Phone (352) 544-8436 Fax (352) 544-8439email: [email protected]
ProMation Engineering follows a policy of continual product updates and enhancements. Our website is the best place to obtain the latest product documentation, including the wiring diagrams for these controllers. Visit us at www.promationei.com or use the QR code below to link to the site.
PL SeriesLinear Drive
Up to 4400lbs down/up force and up to 100mm
(4”) stem travelFor globe valves, gate valves and linear travel devices. With override handwheel. Available with On/Off/Jog or Proportional
control for 24vac, 24vdc, 120vac & 230vac supplies.
P SeriesNon-Spring Return
55”lbs through 40,000”lbs.Quarter-Turn,
with Manual OverrideAvailable with On/Off/Jog or
Proportional control. For 12vac/dc, 24vac/dc, 120vac, 230vac, 230v/3 phase, 380v/3 phase &
460v/3phase supplies.
PA~PD Series Spring Return
445”lbs through 2300”lbs.Quarter-Turn, both with and w/o
manual override handwheel. Spring either CW or CCW.
Available with On/Off control for 24vac/dc and On/Off or
Proportional control for 120vac & 230vac supplies. Stepdown
for 3phase available.
PBU Battery Back-Up Systems
Provides powersuffi cient to drive P Series actuators
to fi eld-selectable fail-safe positions. For P Series & PL
Series actuators in On/Off and Proportional control modes.Available for 24/120/230vac
actuators. 120vac/230 vac supply.
ProMation Product Line
• Premium Proportional Controller Kit. Converts 2 position to proportional control.
• Cold weather auxiliary heater kit. Thermostatically controlled,On 32°F, Off at 50°F, auto reset, hermetically sealed, 24/120/230vac On/Off/Jog type actuators.
• Local Control Station offers “HAND/OFF/AUTO” Switch and OPEN/OFF/CLOSE Switch, No Indicator Lights. (See catalog for additional Local Control Stations)
• Local Control Stations (LCS) are designed to be remotely located or directly mounted to the actuator. Proportional actuators will have different options than On/Off. Available in steel, stainless, or fi berglass enclosures.(See catalog for additional Local Control Selections)
• 3 Phase models utilizing a Local Control Station housing a transformer which supplies single phase power to the actuator.
AVAILABLE OPTIONS (Factory Installed)
Page 4 of 4 PAO Spring Return Series
PAO - CW - 120 P S 4Product Family Control OptionsVoltage OptionsSpring Direction
SpringReturnPAO S NEMA
4X4
24A
24D
120
230
P
2 On/Off
PremiumProportional
Product Ordering Example:
CW
CCW
SpringCW
SpringCCW 120VAC±10%
230VAC±10%
445”lbs/50Nm
24VAC±10% On/Off Only24VDC±10% On/Off Only
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