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ACT2000 USER GUIDE

Discrete Outputs

The discrete outputs are +24 VDC. They are electrically isolated up to 500
VAC. See Figure 1-12 for a typical discrete output alarm connection.

CONTROLLER DISCRETE INPUT

ACT2000 DISCRETE OUTPUT

Figure 1-12. Typical Discrete Output Alarm Connection

RS232 Serial Communications Interface

Signal levels for the serial communications input and output are per
RS232 standards. See Figure 1-13 for a typical RS232 serial interface
connection. See Table 1-5 for computer COM port pin-outs for RS232.

COM 1

RTN

[WHT/ORN/BLU]

[WHT/ORN/YEL]

[WHT/ORN/GRN]

RTN

Tranceiver

ACT2000 RS232 INPUT / OUTPUT

COMPUTER

Figure 1-13. Typical RS232 Serial Interface Connection

FUNCTION

Standard 9-Pin

COM Port

Standard 25-Pin

COM Port

Transmit (Tx).

Pin 3

Pin 2

Receive (Rx)

Pin 2

Pin 3

Ground (GND)

Pin 5

Pin 7

Table 1-5. Computer COM Port Pin Outs

Содержание Precision ACT2000 Series

Страница 1: ...User Manual ACT2000 All Electric Actuator SD 6008 Rev 6 October 2008 PRECISION ENGINE CONTROLS CORPORATION...

Страница 2: ...his manual in its entirety to fully understand the system Operating the ACT2000 All Electric Actuator in accordance with instructions herein ensures long term and reliable operation If you need additi...

Страница 3: ...tion 21 2 2 Electrical Description 21 2 3 Mechanical Description 25 2 4 Identification Plate 30 3 OPERATING THE ACT2000 33 3 1 Powering Up 33 3 2 Finding Home Position 33 3 3 Holding Motor Current Sta...

Страница 4: ...on Plate 30 Figure 2 5 Typical Refurbishment Plate 31 Figure 3 1 ACT2000 Basic Operation Flow Chart 35 Figure 3 2 Actuator Position vs DEMAND Home as Mech Stop in Actuator 37 Figure 3 3 Dead Band of A...

Страница 5: ...or P Ns 50026XX XXX or Any Remanufactured Part with Config 116 and above Configuration 116 and above Firmware version 3 00 and above Third generation isolated RS 232 Actuator P Ns 50026XX XXX or Any R...

Страница 6: ...he ACT2000 it is necessary for the user to have a fundamental understanding of Electronics concepts such as voltage current and switches Mechanical motion control concepts such as inertia torque veloc...

Страница 7: ...shipping container In the event of future transportation requirements this container will minimize any damage during shipment Recommended Installation Process Users must determine if it is best to co...

Страница 8: ...rical noise is to Ensure that the ACT2000 is properly grounded as per Section 1 4 of this manual Environmental Considerations The ACT2000 operates satisfactorily with ambient air temperature of 40 C 4...

Страница 9: ...er I O to 120 VDC Return less serial interface Performance All performance values are based on use with ACT2000 in default configuration Any changes to ACT2000 firmware settings to change stroke profi...

Страница 10: ...x 16 7 in ACT2000 590P 6 0 in x 10 0 in x 12 9 in ACT2000 200F Weight 35 lbs ACT2000 590P 50 lbs ACT2000 200F 1 3 Mechanical Installation This section describes proper ACT2000 installation Ensure com...

Страница 11: ...also be taken when rotating the clevis or indexing the screw pattern to avoid scratching the flame path or introducing particulates to the assembly Connecting the Flange ACT2000 200F only The ACT2000...

Страница 12: ...creasing the rate of wear on the ACT2000 The extension rod has wrench flats to counteract mounting hardware installation torque WARNING Property Damage Hazard Always use the extension rod wrench flats...

Страница 13: ...Figure 1 1 ACT2000 590P Dimensions INSTALLING THE ACT2000 7...

Страница 14: ...8 ACT2000 USER GUIDE Figure 1 2 ACT2000 200F Dimensions...

Страница 15: ...Figure 1 3 ACT2000 590P Pin Mounting Provisions INSTALLING THE ACT2000 9...

Страница 16: ...10 ACT2000 USER GUIDE Figure 1 4 ACT2000 200F Flange Mounting Provisions...

Страница 17: ...contact On the pin mounted version ACT2000 590P this threaded hole is located on the underside of the unit below the identification plate see Figure 1 3 On the flange mounted version ACT2000 200F this...

Страница 18: ...T POWER SUPPLY 120 VDC FUSE 50 000 F Figure 1 6 Typical Power Connection With Power Supply Figure 1 7 Typical Power Connection With Battery WARNING Shock Hazard Connect both the 120 VDC power and auxi...

Страница 19: ...Typical 20 Amps 1 Amp 20 A 60 ms 10 A 600 ms 5 A 100 ms Output Capacitance 50 000 F typical Table 1 2 Power Supply Requirements The output capacitance applies for non battery power systems and assumes...

Страница 20: ...be performed at both the minimum and maximum expected operating voltages Also the output capacitance should be carefully positioned so that it is never disconnected from the ACT2000 power input durin...

Страница 21: ...rial TX Out 20 WHITE ORANGE GREEN Serial RETURN 20 BLACK OVER TEMP Alarm 20 WHITE BLACK OVER TEMP Alarm RETURN 20 ORANGE FAULT Alarm 20 WHITE ORANGE FAULT Alarm RETURN 20 VIOLET RUN Command 20 WHITE V...

Страница 22: ...No Connection Shield No Connection Shield No Connection Shield No Connection Shield No Connection Demand Demand RTN Run Position RTN Run RTN Reset Reset RTN Motor Current Motor Current RTN Position F...

Страница 23: ...isolated up to 500 VAC from the enclosure 120 VDC power digital I O and serial interface The analog interfaces are not isolated from each other See Figure 1 10 for a typical analog output connection C...

Страница 24: ...erial Communications Interface Signal levels for the serial communications input and output are per RS232 standards See Figure 1 13 for a typical RS232 serial interface connection See Table 1 5 for co...

Страница 25: ...y have up to 120 VDC present Property Damage Hazard DO NOT connect 24 VDC power to any of the serial interface connections Note The pin designations shown in Table 1 5 are for the COM port on the comp...

Страница 26: ...y in the actuator If conduit is not used signal wires should be at least 4 6 inches from any other wires Ensure that all shielded cables are twisted conductor pairs with either a foil or braided shiel...

Страница 27: ...well as for the resolver and thermistor inputs from the actuator Note The MCE analog and discrete signal interfaces are electrically isolated The serial communication interface is optically isolated 2...

Страница 28: ...D signal is correlated to the position of the actuator within its span The minimum Demand signal of 4 0 mA is correlated to the Home position The maximum Demand signal of 20 mA is correlated to the fu...

Страница 29: ...Figure 2 1 ACT2000 Electronics System Block Diagram CH 2 UNDERSTANDING THE ACT2000 23...

Страница 30: ...larm switch will open interrupting the circuit with the user s controller The default configuration for the OVERTEMP alarm is Motor OVERTEMP where the circuit will open if the temperature in two or mo...

Страница 31: ...main bearing This liner is permanently installed into the aluminum main housing A retaining ring is included for redundant retention The main housing also contains rigid mechanical stops to prevent e...

Страница 32: ...converts the rotary motion of the Motor Assembly to linear actuator motion The core of the mechanical drive system is the linear ball screw drive containing a screw shaft ball bearing fitted nut exte...

Страница 33: ...ning nuts A motor end bearing is provided for additional radial shaft stability The resolver rotor motor rotor motor bearing and spacers are all stacked on the ball screw shaft and retained by a singl...

Страница 34: ...28 ACT2000 USER GUIDE Figure 2 2 ACT2000 590P Cut Away View...

Страница 35: ...Linear Drive Anti Rotation Guide Brushless DC Motor Assembly Main Housing Assembly Motor End Bearing Mounting Clevis Motor Cover Motor Stator Motor Rotor Main Bearings Rigid Stop Figure 2 3 ACT2000 20...

Страница 36: ...unit serial number Hazardous area operation certification and electrical wiring interface information is also provided When a unit is refurbished by PECC a product refurbishment plate is also attached...

Страница 37: ...Figure 2 5 Typical Refurbishment Plate CH 2 UNDERSTANDING THE ACT2000 31...

Страница 38: ...32 ACT2000 USER GUIDE INTENTIONALLY BLANK...

Страница 39: ...ase of power up the actuator will not respond until the download is complete and the Home position has been established 3 2 Finding Home Position When the status check and other steps in the Power Up...

Страница 40: ...e Holding Motor Current state the actuator applies a constant Holding Force This feature allows the Home position to thermally expand or contract without damaging the ACT2000 This Holding Force is spe...

Страница 41: ...Figure 3 1 ACT2000 Basic Operation Flow Chart CH 3 OPERATING THE ACT2000 35...

Страница 42: ...r will only move for DEMAND signals 4 1 mA The DEMAND signal range between 4 0 mA and 4 1 mA is therefore considered a Dead Band See Figure 3 3 Once a DEMAND signal 4 1 mA is detected the actuator wil...

Страница 43: ...may be necessary to reduce the Span value in the Set Up parameters to allow for the distance between the mechanical stop in the user s system and the mechanical stop in the actuator Interpolation of...

Страница 44: ...38 ACT2000 USER GUIDE Figure 3 3 Dead Band of Actuator Position vs DEMAND Curve Figure 3 4 Actuator Position vs DEMAND Home as a Mech Stop in User s System...

Страница 45: ...ng the RESET command will clear the FAULT alarm but it will NOT clear the fault file 3 7 Monitoring System Health The firmware program continuously monitors system health while the ACT2000 is powered...

Страница 46: ...er the OVERTEMP alarm circuit opens See Table 3 2 for details about the default configuration of the OVERTEMP alarm See Table 3 4 for a list of Over Temp conditions represented by the OVERTEMP alarm i...

Страница 47: ...s N A No Yes EEPROM Write N A N A Yes N A No Yes Table 3 1 Default Configuration For FAULT Alarm Fault Type Low Alarm High Alarm Fault Enable Persist Time Shut Down Output Driver Overcurrent N A 1000...

Страница 48: ...watchdog timer timeout or illegal address attempt Fault RDC Failure 1 Sec Tests hardware for RDC failure sets Fault if RDC failure bit set Retract Extended Command N A Fault not used Unregulated Volt...

Страница 49: ...e The ACT2000 has a self protective shutdown feature The ACT2000 will shutdown if Any two motor winding temperatures exceed 135 C for ten 10 seconds or more 130 C for 60 seconds The electronics temper...

Страница 50: ...See the ActWiz Software Manual for further details Power Up Set Up State The ACT2000 is in Power Up Set Up state immediately after the ACT2000 has been powered up or reset This is after the system re...

Страница 51: ...w Demand signal is interpolated between defined points Linear Position Loop Constant 20 Current Loop PID Constants Proportional 2 0 Integral 200 Derivative 0 Velocity Loop PID Constants Proportional 4...

Страница 52: ...46 ACT2000 USER GUIDE INTENTIONALLY BLANK...

Страница 53: ...ss actuator to valve alignment or actuator to load alignment any damage to housing or mounting hardware any damage to power and signal harnesses parts that are worn loose or shifted due to shock vibra...

Страница 54: ...48 ACT2000 USER GUIDE INTENTIONALLY BLANK...

Страница 55: ...as soon as possible The causes of many problems can be traced through the information contained in the block diagram shown in Section 2 CAUTION Continuing to operate the actuator in a malfunctioning...

Страница 56: ...1 mA at Actuator Actuator does not hold consistent position oscillates or dithers Varying position demand signal Ensure stable position demand at the actuator No position feedback Position feedback w...

Страница 57: ...and digital harness connectors and use a digital multi meter DMM to check the resistance values between the wires indicated on the table If an open circuit is detected send the ACT2000 to Precision E...

Страница 58: ...occur the user should shut down to troubleshoot the failure Removing 120 VDC power shuts down the ACT2000 Toggling the RESET command will clear the fault but it does NOT clear the fault file Note The...

Страница 59: ...or a signal is sent to the MCE Upon receipt the MCE signals a fault This fault does not clear without RESET command Unregulated Voltage Low The MCE signals a fault if the reference voltage drops below...

Страница 60: ...54 ACT2000 USER GUIDE INTENTIONALLY BLANK...

Страница 61: ...erhaul or to be used as spares For removal follow proper lockout tagout procedures and verify no live electrical circuits Disconnect the 4 wires of the integral power harness to the ACT2000 Disconnect...

Страница 62: ...56 ACT2000 USER GUIDE INTENTIONALLY BLANK...

Страница 63: ...e ACT2000 that communicates an internal over temperature electronics or motor The user s controller will see an open circuit when the OVERTEMP alarm is active HOME A mechanical rigid stop from which t...

Страница 64: ...INTENTIONALLY BLANK 58 ACT2000 USER GUIDE...

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