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®
ATD Actuator
Automatic Door Drive
Model 50 ATD-313186
Operating and Installation Instructions
Milwaukee Protective Covers
2300 South Calhoun Road
New Berlin, WI 53151
Phone: 414-906-4000
Fax: 414-906-4100
© 1998 Milwaukee Protective Covers
V2.0
www.MPCovers.com
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® ATD 50 Actuator Operating Instructions Contents 1 Explanation of symbols .................................................4 2 General Safety Instructions ..........................................4 2.1 Correct Use .....................................................................5 2.2 Design and Installation Personnel Requirements.....5 2.3 General Information and MPC™ Liability...................5 3 Theory of Operation.......................................................6 4 Design Inform
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® ATD 50 Actuator Operating Instructions 11 Operation...................................................................... 19 11.1 Calibration Run............................................................ 19 11.2 Door Movements......................................................... 20 11.3 Reversing Motion........................................................ 20 12 Memory and System Layout...................................... 21 13 Technical Data..........................................
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® ATD 50 Actuator Operating Instructions 1 Explanation of symbols This symbol warns of general hazards and of possible damage to the equipment. This symbol warns of dangerous electrical voltages or current 2 General Safety Instructions Before beginning installation or start-up, read and follow these instructions. Damage to the unit and personal injury may result from not following these instructions. Keep fingers away from all moving parts. Be especially careful to install guards or shield to
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® ATD 50 Actuator Operating Instructions 2.1 Correct Use ® The ATD 50 Actuator is designed for operating automatic doors on machine tools and industrial equipment. It is intended to automatically open and close doors, detect obstructions, and hold the door when closed. Vertical doors must be ® installed using a counter-weight system since the ATD 50 Actuator is not intended to lift or hold the weight of a door. ® Any other use for the ATD 50 Actuator is the judgement and risk of the installer.
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® ATD 50 Actuator Operating Instructions 2.3 General Information (cont.) The purchaser, designer, and/or installer is responsible to insure the correct and ® safe application of the ATD 50 Actuator . These personnel must insure that all Federal, State, and Local laws and regulations regarding workplace safety are observed. OSHA and other safety regulations must be observed when completing an installation. Milwaukee Protective Covers is not responsible for incidental and/or consequential ® dama
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® ATD 50 Actuator Operating Instructions 4 Design Information 4.1 Mechanical All components in the system must be designed and installed to withstand the forces produced by the system. This includes the door itself, all mounting brackets, the idler pulley, the connector between the door and belt, and the door end stops. Maximum tensile force of the belt 30 lbs (130 N) ® Weight of the ATD 50 Actuator unit 31 lbs (14Kg) 4.1.1 The Door The door must have fixed positive stops at each end of travel
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® ATD 50 Actuator Operating Instructions 4.1.3 Installation ® The ATD 50 Actuator internal frame is mounted into the metal enclosure with 6 screws. (There are two screws on the back of the unit and four button-head cap screws on the top.) For installation, only the four screws on the top OR the two screws on the back should be used. Never loosen all 6 screws at the same time! Otherwise the internal frame will be loose inside the metal housing. If the internal frame is allowed to move insid
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® ATD 50 Actuator Operating Instructions 4.2 Electrical Internal View of ATD 50 Actuator¨ 4.2.1 Main Power Connection The main power supply can be switched between 115 volts and 230 volts and with 50 or 60 Hz AC power. There is an internal switch on the main power connection to select 115V or 230V. The main power must be externally protected with a 10 amp fast-blow fuse and a system disconnect. Verify that the power selection switch is set to the correct voltage before start-up! Page 9 3811 N
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® ATD 50 Actuator Operating Instructions 4.2.2 Control Connection ® The ATD 50 Actuator has a versatile microprocessor controller that interfaces with the machine control unit. The parameters are factory-set. However, a knowledgeable service technician can change the parameter settings using the ® Microsoft Windows ‘95 based SERsoft programming software. Inputs An input is activated when an input terminal (IN) is connected to ground (GND). This connection must be made using potential-free cont
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® ATD 50 Actuator Operating Instructions 5.2 Start-up • Check the main power voltage selection switch for proper supply voltage (230V / 115V) • Check the control connections and verify they are correctly installed Beware of Electrical Voltages! • Switch on the main power supply to the drive. • Start the calibration run (see section below). • Check and test all functions to be used. • If required, re-adjust door-specific parameters (opening and closing speeds, braking distance, etc.) using the S
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® ATD 50 Actuator Operating Instructions 6 Check List for Functional Tests (cont.) TEST 3: OPTIMIZE MOVEMENTS ACTION: Operate the door for two (2) complete open and close movements. EXPECTED BEHAVIOR: Door should open and close normally. The microprocessor measures the torque and sets the internal speed and torque references. These references are used as safety thresholds for detecting obstructions. NOTE: The safety reversing function is not active during the first two (2) open and close cycl
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® ATD 50 Actuator Operating Instructions 7 Error Diagnosis There are 10 error conditions that can be detected by installing LED’s to specific “B ® TERMINAL STRIP” outputs inside the ATD 50 Actuator . The errors are indicated according to the following code: Software Error Number 2 Calibration run is taking place. Wait until door is closed for error to clear 3 Main power failure. 9 Microprocessor error or drive type not specified. Contact Factory. 10 Emergency stop activated. 11 Motor overhea
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® ATD 50 Actuator Operating Instructions 8 Hardware Error Displays The microprocessor controller has a red and green LED light in the lower right corner. The LED lights indicate the general status of the microprocessor. GREEN LED The microprocessor controller is operating correctly. RED LED Any of the following conditions: • A software error is detected • The emergency stop is active • E-Stop Jumper connection between terminals D1 & D2 is missing • The motor is overheated • Controller Failure P
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® ATD 50 Actuator Operating Instructions 9 Standard Input Functions ® The ATD 50 Actuator can accept either momentary or maintained contacts. The factory default is momentary. If additional safety requirements are desired, you can specify MAINTAINED CONTACT for the input signals. Maintained Contact Signals can be programmed in the Basic Functions Menu in the SERsoft programming software. If you desire to use maintained contacts for input signals, we suggest using the following logic in your
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® ATD 50 Actuator Operating Instructions REDUCED OPEN This command causes the door to open to a preset position from the closed position only. Reason for use: This command is used when a completely opened door is not required. (Operator may wish to access inside of machine briefly). Input terminal: C4 Type of signal: Momentary or maintained contact C4 to Ground A1. Active level Connection is normally open. Close connection to activate. FREE WHEEL This command releases the internal brake allowin
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® ATD 50 Actuator Operating Instructions SET REDUCED OPEN POSITION This command sets the reduced door open position. Reason for use: The reduced open position can be manually set by using the input command at terminal F2. You must be able to manually move the door to the desired position before activating this input command. The distance can be set using the SERsoft programming software. Input terminal: F2 Type of signal: 1 second contact of F2 to Ground F1. Active level Connection is normally
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® ATD 50 Actuator Operating Instructions REVERSING ERROR / GENERAL ERROR 2 This output is active when the internal and external reversing motions are initiated, usually due to an obstruction. (Error numbers 16, 29, or 30 active). Output terminal: E3 & E4 (Relay 2). Active level Contact is normally open (no error). Closed contact when activated (error present). DOOR POSITION IS CLOSED This output is active when the door is in the closed position ± 1/8 inch. The output is active also when the do
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® ATD 50 Actuator Operating Instructions 11 Operation 11.1 Calibration Run The first movements after a power-up or system reset are the self-calibration reference moves. The door travels to each end-stop and records the distance traveled and torque needed for movement. The door can be freely moved before a Calibration Run. NOTE: The automatic reversing feature is disabled during the calibration cycles! The calibration cycle must be started by the external input signals. The calibration steps
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® ATD 50 Actuator Operating Instructions 11.2 Door Movements • The input signals for OPEN, CLOSE and REDUCED OPEN can be given as momentary or maintained contacts. • The door moves freely when in the open position. When open, the drive waits for the next input command signal. • The door is locked with an internal brake ONLY when in the closed position. When closed, the door waits for the next input command. The brake can be released by giving a FREE WHEEL command using input A1 to C7 or an O
