Related Manuals for HORA MC500/24
Summary of Contents for HORA MC500/24
- Page 1 Operating Manual Linear Actuators MC250/24 • MC250/230 • MC253/24 • MC253/230 MC500/24 • MC500/230 • MC503/24 • MC503/230 March 2011 / 111207 / EN...
- Page 2 General information General information Amendment Version Date Modifications August 2004 Initial preparation July 2007 Complete revision and amendment March 2011 Revision Copyright The copyright for this operating manual as well as all rights in case of patent awarding or registration of registered design remains with the manufacturer! Subject to alteration The regulations, directives, standards etc.
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Page 3: Table Of Contents
Content Content 1 Safety ................. 4 5 Commissioning............22 Proper use ............... 4 Operating parameters and coding switch Information for the operator ........4 positions ..............22 Personnel..............5 Set input signal............23 Prior to starting work..........5 Set actuating time ..........23 During operation ............5 Set hysteresis............24 Working environment.......... -
Page 4: Safety
Hint: Utilisation instructions and other useful information. Proper use Linear actuators MC250/24, MC250/230, MC253/24, MC253/230, MC500/24, MC500/230, MC503/24, MC503/230 are controlled by three-point control or constant control. Linear actuators in the series described in these Operating Instructions are used for valve stroke adjustment. -
Page 5: Personnel
Prior to starting work Prior to starting any work, check that the type designations specified here concur with the data on the linear actuator rating plate. Linear actuators MC250/24, MC250/230, MC253/24, MC253/230, MC500/24, MC500/230, MC503/24, MC503/230. During operation Safe operation is only possible if transportation, storage, installation, operation and maintenance are carried out safely and materially and professionally correctly. -
Page 6: Product Specification
2 Product Specification 2 Product Specification The linear actuator controls a step motor with the aid of a microcontroller. The rotational motion of the step motor is transformed into a linear motion via a planetary gearbox and a leadscrew with spindle nut. Components 230;... -
Page 7: Accessories
2 Product Specification Accessories 0...20 mA 4...20 mA 111 Printed circuit board for output signal X=0/4 … 20 mA Diagram 2 Printed circuit board for mA output signal on the motherboard LED1 LED2 LED1 LED2 106 Way-switch printed circuit board Diagram 3 Way-switch printed circuit board in cover Operating modes... -
Page 8: Three-Point Mode
2 Product Specification Input signal (Y) The input signal (Y) from the system control specifies the reference position for the linear actuator. It is an analogue signal on terminal Y. The following input signals are possible: • 0 … 10 V DC / 2 … 10 V DC •... -
Page 9: Open-Circuit Detection
2 Product Specification Actuator heating If the temperature in the actuator drops below 15 °C, the motor is switched to heating in the operating pauses. The actuator heating switches off automatically at a constant temperature of approx. 22 °C. The actuator heating does not affect the functions of the actuator. -
Page 10: Autotest
The optional way-switch printed circuit board (106) can be used to set two lift positions at which a potential-free electrical contact is opened or closed. 5.8 Set potential-free way-switch on page 25 Technical data Type MC250/24, MC253/24, MC250/230, MC253/230, MC500/24, MC503/24 MC500/230, MC503/230 Supply voltage 24 V AC ±... -
Page 11: Ratingplate
3 Transport and storage Input signal Y/ • 0 … 10 V DC / 77 k Input resistor (resistance • 2 … 10 V DC / 77 k of load) • 0 … 20 mA / 510 ... -
Page 12: Assembly
4 Assembly 4 Assembly Prior to installation of the linear actuator: 4.1 Check the scope of supply on page 12 4.2 Prepare for installation on page 12 Installation of the linear actuator includes the following tasks: 4.3 Mount linear actuator on valve on page 13 ... -
Page 13: Mount Linear Actuator On Valve
4 Assembly Mount linear actuator on valve If the linear actuator und the valve are delivered separately, the linear actuator must then be mounted on the valve. Assembly of MC250/24, MC250/230, Assembly of MC253/24, MC253/230, MC500/24 and MC500/230 MC503/24 and MC503/230... -
Page 14: Fit/Remove Cover
4 Assembly Rotate the hexagonal nut M10 (451) wrench size 17 onto the valve spindle (18). Rotate the coupling (3) onto the valve spindle (18). Use the flat hexagonal nut to lock the valve spindle (18) to secure it against distortion. -
Page 15: Connect The Electrics
4 Assembly Damage to the equipment due to damaged wiring! When removing the cover it is possible to tear or damage the wiring in the cover. • Remove the cover carefully. ATTENTION Remove the cover (201) carefully. Disconnect the plug connection between motherboard (110) and cover (201). ... - Page 16 4 Assembly Check the power supply voltage. If the required tolerance of the power supply voltage cannot be maintained with a mains transformer, an AC voltage regulator must be used. 2.5 Technical data on page 10. Proceed as follows to switch the electrics on: Remove the (201) cover.
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Page 17: Control-Independent Switching
4 Assembly Terminal Description UB, N1 Supply voltage Control voltage for downward movement in Three-point mode Control voltage for upward movement in Three-point mode Feedback signal in "Manual mode" • R= 24 V DC max. 35 mA B1, B2 Binary input / Frost protection function Zero potential for signals X, Y and R •... -
Page 18: Remove Printed Circuit Board Cover
4 Assembly 4.5.2 Remove printed circuit board cover The printed circuit board cover must be removed (33) first in order to adjust the linear actuator via the coding switches. Electric shock due to live components! If the power supply is switched off, there is danger of electric shock due to live components. -
Page 19: Way-Switch Printed Circuit Board Installation
4 Assembly 4.6.1 Way-switch printed circuit board installation Electric shock due to live components! If the power supply is switched off, there is danger of electric shock due to live components. WARNING • Prior to starting work ensure that the actuator is disconnected safely from the mains power supply. -
Page 20: Fit The Printed Circuit Board For Ma Output Signal
4 Assembly 123 Pin strip Diagram 12 Pin strip for way-switch printed circuit board on the motherboard Adjust the way-switch. 5.8 Set potential-free way-switch on page 25 4.6.2 Fit the printed circuit board for mA output signal. Electric shock due to live components! If the power supply is switched off, there is danger of electric shock due to live components. - Page 21 4 Assembly JP1 113 JP1 Jumper 110 Main board 27 Spacers 111 Printed circuit board for mA output signal 113 Plug-in bridge Diagram 13 Installation of the printed circuit board for mA output signal Select the output signal range with the jumper (JP1): •...
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Page 22: Commissioning
5 Commissioning 5 Commissioning Electric shock due to live components! If the power supply is switched off, there is danger of electric shock due to live components. WARNING • Prior to starting work ensure that the actuator is disconnected safely from the mains power supply. -
Page 23: Set Input Signal
5 Commissioning Switch Ready for operation X characteristic X characteristic Stroke Stroke curve curve Y characteristic Y characteristic Stroke Stroke curve curve Input signal (Y) Input signal (Y) 0 … 10 V DC or 0 … 20 mA 2 … 10 V DC or 4 … 20 mA Actuating time 2.5 s/mm Actuating time 5 s/mm Autotest and Autopause on... -
Page 24: Set Hysteresis
5 Commissioning Set hysteresis 0,15 V 0,05 V 0,3 V 0,5 V Diagram 18 Set hysteresis For further information 2.4.6 Hysteresis on page 9 Set actuating direction The actuating direction of the linear actuator can be reversed at the coding switch (inverted operation). -
Page 25: Set Limit Position
5 Commissioning Set limit position Select the limit position for the linear actuator using coding switch S7: • S7 ON: Limit position with extended spindle nut • S7 OFF: Limit position with retracted spindle nut The limit position is approached in the following situations: •... - Page 26 5 Commissioning Open the cover (201). 4.4 Fit/remove cover on page 14 The way-switch printed circuit board is located in the cover (106). Use a screwdriver to turn the trimmer potentiometer until the way-switch switches. The associated LED goes on or off during this operation. Use potentiometer P1 (105 P1) to set way-switch 1.
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Page 27: Initialise The Path-Measuring System
5 Commissioning Initialise the path-measuring system Linear actuator starts up automatically! Immediately upon connecting the power supply, the linear actuator moves automatically to a path-measuring system reference point. ATTENTION • Wait until the reference point has been reached and the linear actuator stops. The incremental path-measuring system must be initialised upon completion of the following tasks: •... -
Page 28: Commissioning
5 Commissioning 5.10 Commissioning Check that all installation and assembly tasks have been completed correctly. 4 Assembly on page 12 Ensure that the electric actuation of the linear actuator is ensured without danger to persons or equipment or the system. Ensure that the linear actuator is correctly fixed and the linear actuator cover is closed. -
Page 29: Operation
6 Operation 6 Operation Before the linear actuator can be operated, it must be initialised and the operating mode selected. 5 Commissioning on page 22 5.9 Initialise the path-measuring system on page 27 Switching between Manual and Automatic modes The linear actuator can be operated in Automatic mode or in Manual mode (manual adjustment). -
Page 30: Led Display
7 Maintenance, Care and Repairs LED display The LEDs in the viewing window (47) indicate operating states or faults. 10.2 Operating faults checklist on page 32 Green LED Operating status / fault Normal operation, standby The LED illuminates continuously, actuator awaits drive duration command. -
Page 31: Shutdown And Disposal
9 Shutdown and Disposal Equipment damage due to defective spare parts! Spare parts must comply with the technical requirements specified by the manufacturer. ATTENTION • Use only original spare parts. 2.1 Components on page 6 2.2 Accessories on page 7 9 Shutdown and Disposal Dispose of the linear actuator in accordance with national regulations and legislation. -
Page 32: Operating Faults Checklist
10 Troubleshooting 10.2 Operating faults checklist Fault Cause/reason Remedy 1. Linear actuator does not Handwheel (36) is in manual mode position Switch handwheel to automatic mode work. position. Mains power failure Establish cause and eliminate. Fuse defective. (in the electrical cabinet) ...
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