Related Manuals for EUCHNER CET-AS Series
Summary of Contents for EUCHNER CET-AS Series
- Page 1 Operating Instructions Transponder-Coded Safety Switch With Guard Locking CET.-AS-… (Unicode/Multicode)
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Page 2: Table Of Contents
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… Contents About this document ..................... 4 1.1. Scope ............................4 1.2. Target group ..........................4 1.3. Key to symbols ..........................4 1.4. Supplementary documents ......................4 Correct use ......................5 Description of the safety function ................6 Exclusion of liability and warranty ................. 6 General safety precautions ................... - Page 3 Operating Instructions Transponder-Coded Safety Switch CET.-AS-… Setup ......................... 21 11.1. LED displays ..........................21 11.2. Teach-in function for actuator (only for unicode evaluation) ...............21 11.2.1. Actuator teach-in ......................22 11.3. Functional check ...........................22 11.3.1. Mechanical function test ....................22 11.3.2. Electrical function test ....................22 System status table ....................
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Page 4: About This Document
Important! Always read all documents to gain a complete overview of safe installation, setup and use of the device. The documents can be downloaded from www.euchner.com. For this purpose enter the doc. no. in the search box. (Translation of the original operating instructions) 2113689-04-07/19... -
Page 5: Correct Use
Ì EN 60204-1 The safety switch is allowed to be operated only in conjunction with the intended EUCHNER actuator and the related connec- tion components from EUCHNER. On the use of different actuators or other connection components, EUCHNER provides no warranty for safe function. -
Page 6: Description Of The Safety Function
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 3. Description of the safety function Devices from this series feature the following safety functions: Monitoring of guard locking and the position of the guard (interlocking device with guard locking according to EN ISO 14119) Ì Safety function (see chapter 6.3. -
Page 7: General Safety Precautions
Prior to use, read the operating instructions and keep these in a safe place. Ensure the operating instructions are always available during mounting, setup and servicing. EUCHNER cannot provide any warranty in relation to the readability of the CD for the storage period required. For this reason you should archive a printed copy of the operating instructions. -
Page 8: Function
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 6. Function The device permits the locking of movable guards. The system consists of the following components: coded actuator (transponder) and switch. Ramp/switch head Whether the device learns the complete actuator code (unicode) or not (multicode) depends on the respective version. -
Page 9: Guard Locking On Version Cet3-As
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 6.1. Guard locking on version CET3-AS (Guard locking actuated by spring force and released by power-ON) Activating guard locking: Close guard; no auxiliary power at the solenoid and/or clear AS-Interface output bit D0. Releasing guard locking: Apply auxiliary power to the solenoid and set AS-Interface output bit D0. The spring-operated guard locking functions in accordance with the closed-circuit current principle. -
Page 10: Switching States
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 6.3. Switching states The detailed switching states for your switch can be found in the system status table. All safety outputs, monitoring outputs and display LEDs are described there. Guard closed and locked Guard closed and not locked Guard open Programming State... -
Page 11: Manual Release
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 7. Manual release Some situations require the guard locking to be released manually (e.g. malfunctions or an emergency). A function test should be performed after release. More information on this topic can be found in the standard EN ISO 14119:2013, section 5.7.5.1. The device can feature the following release functions: 7.1. -
Page 12: Emergency Release (Can Be Retrofitted)
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 7.2. Emergency release (can be retrofitted) Permits opening of a locked guard from outside the danger zone without tools. For mounting, see the mounting supplement. Important! Ì It must be possible to operate the emergency release manually from outside the protected area without tools. -
Page 13: Wire Front Release (Optional)
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 7.4. Wire front release (optional) Release via a pull wire. Depending on the type of attachment, the wire front release can be used as emergency release or escape release. The following applies to non-latching wire front releases. If the release is to be used as emergency release, one of the following measures must be taken (see EN ISO 14119:2013, section 5.7.5.3): Ì... -
Page 14: Lockout Bar (Optional)
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 7.5. Lockout bar (optional) Important! Ì The lockout bar is not a safety function. Ì The switch does not possess auxiliary release. Ì The correct function must be checked at regular intervals. The lockout bar can be used to prevent maintenance personnel from being unintentionally locked in the danger zone, for example. -
Page 15: Changing The Approach Direction
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 8. Changing the approach direction 1. Remove the screws from the safety switch 2. Set the required direction 3. Tighten the screws with a torque of 1.5 Nm Figure 1: Changing the approach direction 2113689-04-07/19 (Translation of the original operating instructions) -
Page 16: Mounting
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 9. Mounting CAUTION Safety switches must not be bypassed (bridging of contacts), turned away, removed or otherwise rendered ineffective. Ì Observe EN ISO 14119:2013, section 7, for information about reducing the possibilities for by- passing an interlocking device. Ì... - Page 17 Ì no dirt can accumulate in the recess. = 90° Tip! EUCHNER offers special cover plates to improve protection against tampering. These accessories can be found at www.euchner.com. 2113689-04-07/19 (Translation of the original operating instructions)
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Page 18: Electrical Connection
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 10. Electrical connection View of safety switch 1 AS-Interface + plug connector 2 Auxiliary voltage 0 V 3 AS-Interface - 4 Auxiliary voltage 24 V Figure 3: Terminal assignment, AS-Interface M12 plug connector 10.1. Notes about Important! Ì... -
Page 19: Dual-Channel Conditionally Dependent
Cause: slave address=0 red/green Device fault in the slave. alternately flashing Contact EUCHNER. red flashing 10.5. Safety in case of faults The ASi power supply and the auxiliary voltage are reverse polarity protected. 2113689-04-07/19 (Translation of the original operating instructions) -
Page 20: Connection Of Guard Locking Control
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 10.6. Connection of guard locking control 10.6.1. Guard locking control via ASi bit D0 Auxiliary voltage, 24 V DC ASi bit D0 Auxiliary voltage, 0 V DC Figure 4: Connection example guard locking control via ASi bit D0 (Translation of the original operating instructions) 2113689-04-07/19... -
Page 21: Setup
= 90° NOTICE Depending on version, the function of LED 1 and LED 2 can differ. Detailed information is available on the enclosed data sheet or at www.euchner.com. Simply enter the order number of your device in the search box. 11.2. Teach-in function for actuator (only for unicode evaluation) The actuator must be allocated to the safety switch using a teach-in function before the system forms a functional unit. -
Page 22: Actuator Teach-In
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 11.2.1. Actuator teach-in 1. Establish teach-in standby: - Connect AS-Interface bus and auxiliary power to the safety switch. Teach-in standby indication, STATE LED flashes 3x repeatedly ¨ 2. Activate guard locking via bit D0: CET3 Bit D0 = 0 CET4... -
Page 23: System Status Table
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 12. System status table LED indicator Output Operating mode State closed Normal operation, door closed and locked Normal operation closed Normal operation, door closed and not locked open Normal operation, door open Door open; device is ready for teach-in for a new actuator Teach-in standby open (only short time after power-up) -
Page 24: Technical Data
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 13. Technical data NOTICE If a data sheet is included with the product, the information on the data sheet applies. 13.1. Technical data for safety switch CET.-AS-… Parameter Value Unit min. typ. max. General Material, ramp Stainless steel Material, safety switch housing... -
Page 25: Typical System Times
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 13.1.1. Typical system times Please refer to the technical data for the exact values. Switch-on time of safety outputs: The max. reaction time t is the time from the moment when the guard is locked to the moment when the safety outputs switch on. - Page 26 Operating Instructions Transponder-Coded Safety Switch CET.-AS-… With auxiliary key release With emergency release With wire front release 16,7 With lockout bar (Translation of the original operating instructions) 2113689-04-07/19...
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Page 27: Technical Data For Actuator Cet-A-B
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 13.3. Technical data for actuator CET-A-B… Parameter Value Unit min. typ. max. Housing material Stainless steel Stroke, max. Weight 0.25 Ambient temperature - 20 + 55 °C Degree of protection acc. to IP67 EN IEC 60529 Mechanical life 1 x 10 operating cycles... -
Page 28: Ordering Information And Accessories
14. Ordering information and accessories Tip! Suitable accessories, e.g. cables or assembly material, can be found at www.euchner.com. To order, enter the order number of your item in the search box and open the item view. Accessories that can be combined with the item are listed in “Accessories.”... -
Page 29: Declaration Of Conformity
Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 17. Declaration of conformity 2113689-04-07/19 (Translation of the original operating instructions) - Page 30 Operating Instructions Transponder-Coded Safety Switch CET.-AS-… (Translation of the original operating instructions) 2113689-04-07/19...
- Page 31 Operating Instructions Transponder-Coded Safety Switch CET.-AS-… 2113689-04-07/19 (Translation of the original operating instructions)
- Page 32 Edition: 2113689-04-07/19 Title: Operating Instructions Transponder-Coded Safety Switch CET.-AS-… (Translation of the original operating instructions) Copyright: © EUCHNER GmbH + Co. KG, 07/2019 Subject to technical modifications; no responsibility is accept- ed for the accuracy of this information.
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