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Summary of Contents for Festo CMXH
- Page 1 Controller CMXH Description Safe Torque Off (STO) 8067357 1612a [8067359]...
- Page 2 • Activities that may be carried out in any order 1. Activities that should be carried out in the order stated – General lists è Result of an action/References to more detailed information Festo – CMXH-STO-EN – 1612a – English...
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Page 3: Table Of Contents
......... Festo – CMXH-STO-EN – 1612a – English... -
Page 4: Instructions On This Documentation
Instructions on this documentation This document only describes the utilisation of the safety function STO – “Safe Torque Off ” in accord ance with EN 61800-5-2, which is implemented in the controller CMXH, in combination with the related planar surface gantry EXCM-30/-40. -
Page 5: Safety And Requirements For Product Use
• Shut down the passive actuators mechanically if required, e.g. via a brake, to ensure that movements are prevented. This especially applies to vertical axes without auto matic locking mechanics, clamping units or counterbalancing. Festo – CMXH-STO-EN – 1612a – English... -
Page 6: Intended Use Of The Sto Function
EN 61800-5-2. The STO function is intended to shut down the torque from a motor that is connected to the CMXH, thereby preventing an unexpected restart of the motors. The STO function may only be used for applications in which the specified safety characteristics suffice. -
Page 7: Requirements For Product Use
• Keep the documentation safe throughout the entire product lifecycle. • Ensure compliance with all of the specifications in the documentation for the controller (è Tab. 1 Documentation for the system EXCM-30/-40 with CMXH). • Also take into consideration the documentation for the other components (e.g. motors, cables, etc.). -
Page 8: Function And Application
The safety function is requested solely via the control ports of the switch-off functions interface [X4] on the controller. Safety-oriented circuitry for additional interfaces of the controller is not required. Switch-off functions interface [X4] Fig. 2.1 Switch-off functions interface [X4] Festo – CMXH-STO-EN – 1612a – English... -
Page 9: Circuitry Of The Sto Inputs
Guard door (alternative to 2 ) Controller CMXH Light curtain (alternative to 2 ) (only relevant connections depicted) Safety switching device (alternative to 2 ) Emergency stop switches Fig. 2.2 Switching example (without cross-circuit detection) Festo – CMXH-STO-EN – 1612a – English... -
Page 10: Functional Description
+24 V DC load Input circuit (e.g. safety relay) Driver supply Power output stage in CMXH Motor (only one phase shown) (only one phase shown) Fig. 2.3 “Safely switched off torque” functional principle Festo – CMXH-STO-EN – 1612a – English... -
Page 11: Sto Function Of The Interface [X4]
The STO function has been requested on 2 channels. (closed) – Output stages are switched off through 2 channels. – The motors can no longer be operated. – The STO function is active. Tab. 2.1 Switching logic of the inputs STO1/STO2 Festo – CMXH-STO-EN – 1612a – English... -
Page 12: Switching Times
A 24 V auxiliary supply is available at [X4.1] and [X4.16]. The reference potential (0 V) is [X4.8]. The logic supply can be optionally used to supply external, active sensors. Other electrical data è Chapter A.1.2. Festo – CMXH-STO-EN – 1612a – English... -
Page 13: Electrical Installation
The STO function must never be bridged. • Make sure that no jumpers etc. can be used parallel to the safety wiring, e.g. by using the maximum cable cross section of 0.5 mm Festo – CMXH-STO-EN – 1612a – English... -
Page 14: Notes On Commissioning
It is recommended that at least the STO function should be wired at initial start-up. The complete commissioning of the controller by the machine manufacturer is de scribed in the description EXCM-30/-40-...-PF and in the Online Help for the CMXH plug- in of the FCT software. -
Page 15: Diagnostics
The frequency of these tests must be determined by the machine operator based on the specifications of the machine manufacturer. An inspection of the controller is recommended at least once a year. Festo – CMXH-STO-EN – 1612a – English... -
Page 16: A Technical Appendix
Service life [years] In accordance with EN ISO 13849-1 Type test The STO function has been certified by an independent testing body. Certificate CMXH è www.festo.com/sp Tab. A.1 Safety reference data and safety specifications Festo – CMXH-STO-EN – 1612a – English... -
Page 17: Electrical Data
10 Switching time closing [ms] 20 Switching time opening [ms] Galvanic separation Via optocoupler Protective function Overvoltage resistant to 60 V DC (checked) Tab. A.3 Electrical data of the diagnostic contacts Festo – CMXH-STO-EN – 1612a – English... -
Page 18: Product Conformity And Certifications
1) The component is intended for industrial use. Outside of industrial environments, e.g. in commercial and mixed-residential areas, actions to suppress interference may have to be taken. Tab. A.7 Product conformity and certifications Festo – CMXH-STO-EN – 1612a – English... - Page 20 Copyright: Festo AG & Co. KG Postfach 73726 Esslingen Germany Phone: +49 711 347-0 Fax: +49 711 347-2144 E-mail: service_international@festo.com Reproduction, distribution or sale of this document or communica tion of its contents to others without express authorization is Internet: prohibited.
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