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Summary of Contents for SCHUNK MEG 50 EC
- Page 1 Translation of original operating manual Assembly and Operating Manual MEG 50 EC Electrical parallel gripper...
- Page 2 Imprint Copyright: This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights reserved. Any reproduction, processing, distribution (making available to third parties), translation or other usage - even excerpts - of the manual is especially prohibited and requires our written approval.
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Page 3: Table Of Contents
Mechanical connection .................. 17 4.1.1 Gripper .................... 17 4.1.2 Controller.................... 18 Electrical connection .................. 19 4.2.1 Gripper connector assignment ............... 19 4.2.2 Terminal assignment MEG C 50 ............. 20 4.2.3 Connecting ground cable................ 21 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 4 Maintenance ...................... 39 Maintenance intervals.................. 39 Lubricate gripper .................... 40 Disassembly and assembling ................ 40 Translation of original declaration of incorporation .......... 41 Annex to Declaration of Incorporation .............. 42 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 5: General
Non-observance can lead to irreversible injury and even death. CAUTION Dangers for persons! Non-observance can cause minor injuries. CAUTION Material damage! Information about avoiding material damage. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 6: Applicable Documents
• Electrical parallel gripper MEG 50 EC in the ordered model • Accessory pack 1.4.2 Scope of delivery Controller The scope of delivery includes • Controller MEG C in the version ordered 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 7: Basic Safety Notes
Using unauthorized spare parts can endanger personnel and damage the product or cause it to malfunction. • Use only original spare parts or spares authorized by SCHUNK. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 8: Gripper Fingers
Due to their technical training, knowledge and experience, trained Trained electrician electricians are able to work on electrical systems, recognize and avoid possible dangers and know the relevant standards and regulations. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 9: Personal Protective Equipment
• Eliminate any malfunction immediately. • Observe the care and maintenance instructions. • Observe the current safety, accident prevention and environmental protection regulations regarding the product's application field. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 10: Transport
The incorrect handling of disposal may impair the product's safety and cause serious injuries as well as considerable material and environmental harm. • Follow local regulations on dispatching product components for recycling or proper disposal. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 11: Fundamental Dangers
Falling and violently ejected components can cause serious injuries and even death. • Take appropriate protective measures to secure the danger zone. • Never step into the danger zone during operation. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 12: Protection Against Dangerous Movements
Before starting up the machine or automated system, check that the EMERGENCY STOP system is working. Prevent operation of the machine if this protective equipment does not function correctly. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 13: Protection Against Electric Shock
• The effectiveness of the potential equalisation must be verified by executing regular safety measurements. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 14: Notes On Particular Risks
Before starting any work on the product: Switch off the power • supply and secure against restarting. Make sure, that no residual energy remains in the system. • 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 15 In case of an energy supply failure, the gripping force decreases and a secure hold on the gripped workpiece cannot be guaranteed. Take suitable protective measures to secure the danger zone. • 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 16: Technical Data
*** Distribution of the mechanical end positions after 100 consecutive strokes. A controller is needed to operate the gripper. For this purpose, SCHUNK offers the MEG C 50 (ID number 307005). More technical data is included in the catalog data sheet. -
Page 17: Assembly
4 Centering ∅8 (4x) The gripper is mounted to the base or side via M5 threads. The centering is performed via the centering sleeves contained in the accessory kit. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 18: Controller
Mounting MEG C 50 1 Terminals for PLC 3 Assembly on mounting rail as per EN 50022 2 Terminals for MEG-EC assembly on mounting rail as per EN 50022 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 19: Electrical Connection
Assembly Dimensions MEG C 50 4.2 Electrical connection 4.2.1 Gripper connector assignment X2 device plug on the MEG 40 EC 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 20: Terminal Assignment Meg C 50
Digital input Analog input: Speed 0V-10V (to the GND PLC) Analog input: Steps 0V-10V (to the GND PLC) Analog input: Force 0V-10V (to the GND PLC) 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 21: Connecting Ground Cable
Always use all components to screw in the ground cable and install them in this order: toothed lock washer, cable lug, washer and bolt. See "Ground connection" diagram. Observe the tightening torque. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 22: Start-Up
Status signals of the MEG C external controller are sent back to the superordinate control (e.g. PLC) via digital outputs. The current position is issued as analog value. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 23 The MEG C controller (terminals 1, 3, 7, 9) is connected via a 4-pin control cable on the X2 device plug of the MEG EC gripper. We offer prefabricated control cables for this purpose (☞ accessories in the catalog). 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 24: Performing A Reference Run
(terminal 14) has been set to high. After having performed the reference run, set the inputs Ø "Reference run" and "Gripper open" or "Gripper closed" to Low signal. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 25: Position Mode
With a rising edge on one of the two digital inputs "Gripper Ø open" (terminal 21) or "Gripper closed" (terminal 20) the new gripping position is approached by the specified value. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 26 NOTE If precise measurements are necessary, it is recommendable to adjust the output voltage once (this will not prevent a position output drift). 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 27: Live Mode
The workpiece is safely gripped until the signal on the input Ø "Gripper open" (terminal 21) or "Gripper closed" (terminal 20) is reset by a falling edge. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 28: External Reset
"Speed" set value. This is due to the fact that the maximum speed in live mode is significantly smaller than the maximum speed in position mode. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 29 Power mode: Speed = f[input voltage] on potentiometer in mm/s Input voltage of potentiometer in V Speed in live mode in relation to input voltage on the "Speed" potentiometer (potentiometer P2) 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 30: Step - Specification
This analog value must be present prior to execution of the "Gripper open" or "Gripper closed" command. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 31 Travel preset = f[input voltage] on potentiometer in mm y = 1,5995x - 0,1792 Input voltage in V relative traverse path when the analog voltage is specified via potentiometer "Pos." (P3) 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 32: Gripping Force - Specification
Gripping force when the analog voltage is specified via potentiometer "Force" (P1) (* Gripping force is the arithmetical sum of the individual forces acting on the gripper jaws at a distance of P = 25 mm) 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 33: Example Of A Possible Gripping Cycle
"Analog input: Position" (terminal 23) or on the "Pos."potentiometer (potentiometer P3). 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 34 If the gripper moves to the workpiece stop, the output "Gripper Ø stopped" (terminal 13) issues a High signal; the gripper is, however, further supplied with electrical current. 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 35: Table Of Functions
Gripper open 0V → standstill; 24V → execute command Speed preselection 0.2V - 10 V Step preselection 0.2V - 10 V Force preselection 0.2V - 10 V 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 36 H = 24 V DC L = GND *= not mandatory **= mandatory Gripper OPEN Gripper CLOSED min. break time 80 ms Minimal rest period between 2 commands 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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Page 37: Troubleshooting
• The gripper can only be defective (overload) repaired at the factory! Fingers are mechanically • Check whether the jammed adapter plate is stepped (only in the case of lateral attachment) 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 38: Product Does Not Execute A Complete Stroke
Mounting surface is not sufficiently flat. Check the evenness of the mounting surface. Mechanical connection 17] Loading too large. Check permissible weight and length of the gripper fingers. Technical data 16] 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 39: Maintenance
Continuously traveling short strokes when the product is inadequately lubricated risks damaging it by causing it to run dry. Travel the full stroke every 1000 cycles or at least once daily. • 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 40: Lubricate Gripper
Incorrect works can cause damage to the mechanics and internal electronics. Disassembly or opening of the product is not permitted. • Only allow SCHUNK to repair the product. • 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 41: Translation Of Original Declaration Of Incorporation
Person authorized to compile the technical documentation: Robert Leuthner, Address: see manufacturer's address Lauffen/Neckar, January 2020 Dr.-Ing. Manuel Baumeister, Technology & Innovation, Mechatronics & Sensors 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... -
Page 42: Annex To Declaration Of Incorporation
1.2.4.1 Normal stop 1.2.4.2 Operational stop 1.2.4.3 Emergency stop 1.2.4.4 Assembly of machinery 1.2.5 Selection of control or operating modes 1.2.6 Failure of the power supply 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201... - Page 43 Laser radiation 1.5.13 Emissions of hazardous materials and substances 1.5.14 Risk of being trapped in a machine 1.5.15 Risk of slipping, tripping or falling 1.5.16 Lightning 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
- Page 44 Supplementary essential health and safety requirements for machinery intended for underground work Supplementary essential health and safety requirements for machinery presenting particular hazards due to the lifting of persons 03.00 | MEG 50 EC | Assembly and Operating Manual | en | 389201...
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