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Fig. 9 Logic in the safety relay unit for SS1

The delay times are directly included in the reaction time of the system.

Feedback of SS1

The STA signal can be used as feedback for the safety function SS1.

Timing of SS1

Product overview

17

Festo — CMMT-AS-...-S1 — 2018-02

Содержание CMMT-AS-C2-11A-P3

Страница 1: ...8075813 Servo drive CMMT AS S1 8075813 2018 02 8075815 Description Safety function STO SBC SS1...

Страница 2: ...Translation of the original instructions ET 200SP PNOZ Pilz SIEMENS are registered trademarks of the respective trademark owners in certain countries 2 Festo CMMT AS S1 2018 02...

Страница 3: ...ty functions 7 4 1 1 Function and application 7 4 1 2 Safety function STO 7 4 1 3 Safety function SBC 11 4 1 4 Safety function SS1 15 4 1 5 Cross wiring of several servo drives 19 4 1 6 Error exclusio...

Страница 4: ...and approvals 35 9 3 General technical data 35 9 4 Technical data electrical 37 9 4 1 Motor auxiliary connection X6B 37 9 4 2 Inputs outputs ready contact at X1A 38 9 4 3 Inputs and outputs to the ax...

Страница 5: ...d standards Version EN 61131 2 2007 EN ISO 13849 1 2015 IEC 61800 5 1 2016 EN 61508 Parts 1 7 2010 EN 61800 3 2004 A1 2012 EN 60204 1 2006 A1 2009 AC2010 EN 61800 5 2 2017 EN 62061 2005 AC 2010 A1 201...

Страница 6: ...AS fulfil the requirements 2 3 Foreseeable misuse Foreseeable misuse general Use outside the limits of the product defined in the technical data Cross wiring of the I O signals of more than 10 servo d...

Страница 7: ...declaration of conformity www festo com sp The product is a safety device in accordance with the Machinery Directive Safety oriented standards and test values that the product complies with and fulfil...

Страница 8: ...t be taken to ensure that the load does not drop e g mechanical clamping units In the STO status the standstill position is not monitored The machines must be stopped and locked in a safe manner This...

Страница 9: ...can be moved through external forces STO feedback through STA diagnostic contact The status of the STO safety function can be reported to the safety relay unit through the STA dia gnostic output The...

Страница 10: ...low testimpulses and for low level with high testimpulses Timing STO Fig 4 STO timing diagram Legend for STO timing Term abbreviation Explanation STO A STO B 2 channel input for STO request STO HS ST...

Страница 11: ...e holding brake of the motor Safe output BR EXT GND X1C for the external brake clamping unit The holding brake and or clamping unit engage and slow the motor or axle Dangerous movements should thus be...

Страница 12: ...ng SBC feedback through SBA diagnostic contact The 2 channel switching of the brake is displayed over the SBA output Through SBA the status of the SBC safety function is reported for diagnosis such as...

Страница 13: ...edback over SBA is required at least 1x within 24 h Check SBA feedback dependent on the level SBC A and SBC B according to the following table SBC A BR SBC B BR Ext SBA Low level Low level High level...

Страница 14: ...ical delay of the brake SBC A SBC B 2 channel input for SBC request tSBC TP Max length low test impulses1 at SBC A B tSBC In Max delay until the related brake output is switched off permissible reac t...

Страница 15: ...e nominal torque the motor shaft comes to a standstill without coasting Depending on the hazard situation the holding brake must be designed with a correspondingly increased nominal torque In designin...

Страница 16: ...mp function and if present allows the brake function to engage at the end of the braking ramp After completing the braking ramp and upon elapse of the parameterisable delay time until the brake is clo...

Страница 17: ...y unit for SS1 The delay times are directly included in the reaction time of the system Feedback of SS1 The STA signal can be used as feedback for the safety function SS1 Timing of SS1 Product overvie...

Страница 18: ...ted drive has safely come to a standstill STO A B 2 channel input for STO request SBC A B 2 channel input for SBC request STA Feedback STO active SBA Feedback SBC active t1 Braking ramp takes place sp...

Страница 19: ...the safety relay unit The safety relay unit monitors for discrepancies A maximum of 10 servo drives can be wired in parallel Cross wiring example STA Fig 11 Cross wiring example STA For cross wired di...

Страница 20: ...used with the following restrictions Test impulses up to 1 ms in length Test impulses are not simultaneous overlapping on STO A B and SBC A B The resulting safety related classification depends on the...

Страница 21: ...the device textvar object does not exist Information for operation with safety functions NOTICE Check the safety functions to conclude the installation process and after every modification to the ins...

Страница 22: ...uts and outputs must meet the required safety classification of the respectively required safety function Connect each of the control inputs in 2 channels with parallel wiring directly to the safety r...

Страница 23: ...for safety request e g light cur tain 2 Safety relay unit 3 Servo drive CMMT AS 4 Drive axle Fig 13 STO sample circuit Information on the sample circuit The safety request is passed on through 2 chan...

Страница 24: ...n Type Identifier Function X1A 9 SBC B Safe brake control channel B X1A 10 DIN SBC A Safe brake control channel A X1A X1A 21 DOUT SBA Safe torque off acknowledge X1C 1 BR EXT Output for connection of...

Страница 25: ...brake is de energised and closes The request over the input SBC B switches off power to the signal BR EXT at the connection X1C This shuts off power to the control of the external clamping unit The c...

Страница 26: ...nction For operation without safety function wire inputs X1A 9 to X1A 12 as follows Connection Pin Type Identifier Function X1A 9 SBC B X1A 10 SBC A X1A 11 STO B X1A 12 DIN STO A Supply each with 24 V...

Страница 27: ...ning sample questions for risk reduction are summarised below in the form of check lists The following check lists are no substitute for safety training No guarantee can be provided for the completene...

Страница 28: ...o o a Inspection of components Is the CMMT AS S1 used check using the rating plate Yes o No o o b Is the wiring correct check using the circuit diagram Yes o No o o b1 Have inputs for STO and SBC been...

Страница 29: ...tions are to be checked at adequate intervals for proper functioning Selecting the type of test and time intervals within the stated time period is the responsibility of the operator The check is to b...

Страница 30: ...ake outputs and safety diagnostic outputs are blocked safety parameterisation is running Lights up green Ready no safety function is requested Tab 13 Safety LED 8 2 Repair Repair or maintenance of the...

Страница 31: ...ety reference data of the STO safety function Wiring Without high test impulses without or with STA evaluation With high test impulses and with STA evaluation1 With high test impulses and without STA...

Страница 32: ...ostic coverage in accordance with EN ISO 13849 1 DCAVG 97 95 75 Operating life in accordance with EN ISO 13849 1 TM a 20 Safe failure fraction SFF in accordance with EN 61508 99 99 99 Hardware fault t...

Страница 33: ...CL 1 Category in accordance with EN ISO 13849 1 Cat 3 Cat 1 Performance level in accordance with EN ISO 13849 1 PL e PL c Probability of danger ous failure per hour in accordance with EN 61508 PFH 1...

Страница 34: ...assification the evaluation of the SBA diagnostic output by the safety relay unit is required or not mandatory To achieve the safety category Cat 3 PL d SIL 2 or also Cat 2 PL c d in connection with 2...

Страница 35: ...by an independent testing body see EC type examination certificate www festo com sp Certificate issuing authority T V Rheinland Certification Body of Machinery NB 0035 Certificate no 01 205 5640 00 1...

Страница 36: ...le setup alti tude above sea level at nominal power m 0 1000 Permissible setup alti tude above sea level with power reduction 10 1000 m at 1000 m 2000 m m 0 2000 Operation above 2000 m is not permitte...

Страница 37: ...S C2 3A C4 3A Max continuous out put current A 0 8 1 Max voltage drop from 24 V input at connec tion X9A to brake out put at X6B V DC 1 5 Max permissible inductive load H 5 Protective functions Short...

Страница 38: ...it to 0 V PE Overvoltage proof to 60 V1 Thermal overload protection Fault detection Voltage at output despite brake having shut down Diagnostics possible via Output SBA Error message on device 1 Brake...

Страница 39: ...tion Nominal voltage V DC 24 Permissible voltage range1 V DC 3 30 Max input voltage high level UH max V 28 8 Min input voltage high level UH min V 17 Max input voltage low level UL max V 5 Min input v...

Страница 40: ...t USTO A B UL max ms 200 1 Each channel has a separate overvoltage monitor for the power supply at the input If the voltage at the input exceeds the permissible maximum value the channel is shut down...

Страница 41: ...ses at UH min USBC A B 20 V ms 200 Min time between low test pulses ms atUSBC A B 20 V ms 100 Tolerance for high test pulses1 Tolerated high test pulses tSBC TP up to max ms 1 Min time between high te...

Страница 42: ...control inputs 1 Current flows from outside via the internal low side switch to 0 V reference potential of 24 V supply 2 Requires connection of the output to a Type 3 input Tab 27 Diagnostic outputs...

Страница 43: ...ossible via Output SBA Error message on device Test pulse length The test pulses for control input SBC B are mapped to the out put Min time between test pulses ms 100 Loads Ohmic load min 240 Inductiv...

Страница 44: ...ization is prohibited Offenders will be liable for damages All rights reserved in the event that a patent utility model or design patent is registered Copyright Festo AG Co KG 73734 Esslingen Ruiter S...

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