Festo CMMT-ST-C8-1C-...-S0 Series, Manual

Page 1: ...CMMT ST C8 1C S0 Servo drive Manual Safety sub function STO SS1 t 8154451 2021 04b 8154453...

Page 2: ...Translation of the original instructions ET 200 PNOZ Pilz SIEMENS ET 200SP are registered trademarks of the respective trademark owners in certain countries...

Page 3: ...4 1 1 Function and application 7 4 1 2 Safety sub function STO 7 4 1 3 Safety sub function SS1 t 11 4 1 4 Cross wiring of several servo drives 13 4 1 5 Fault exclusion 13 4 1 6 Safety relay unit 13 4...

Page 4: ...documents for the product www festo com sp 1 3 Product version This documentation refers to the following version Servo drive CMMT ST S0 revision 1 and higher see product labelling 1 4 Product labell...

Page 5: ...nexpected restart of the motor The safety sub function SS1 t is intended to perform a fast stop with subsequent torque switch off Ensure that wiring is cross circuit proof in accordance with EN ISO 13...

Page 6: ...ion of SIL 3 cat 3 Pl e without evaluation of the diagnostic contact STA Operation of the connected motor without the danger zone being restricted or enclosed by suitable means The user must not be ab...

Page 7: ...when the power supply to the motor needs to be switched off safely in the application but there are no further requirements for a targeted standstill of the drive such as stop category 1 from EN 6020...

Page 8: ...pped motor the drive is uncontrolled and can be moved by external forces The safe state is achieved after the safety sub function STO has been requested if all motor coils are switched off and current...

Page 9: ...vel High level High level Tab 2 State of the diagnostic contact STA If the safety sub function STO is not requested but protective functions are triggered simultaneously on both channels STO A and STO...

Page 10: ...A STO B 2 channel input for STO request STO PWM1 STO PWM2 Internal control PWM driver 1 and 2 tSTO TP Length low test pulses1 at STO A B tSTO In Max delay until STO switches off permissible reaction...

Page 11: ...ime delay triggering of the safety subfunction STO Requirements of SS1 t Wire the safety sub function STO Execute emergency stop command by means of the safety relay unit either directly by wiring CTR...

Page 12: ...iming Term abbreviation Explanation Timer Delay element in safety relay unit CTRL EN Enable signal tDelay Delay time until STO request STO A B 2 channel input for STO request STA Feedback STO active t...

Page 13: ...stic contacts of a maximum of 10 servo drives in series The maximum cable length applies to the entire line from the safety relay unit to the final device Example of cross wiring 5 5 Connection Exampl...

Page 14: ...N 60204 1 Comprehensive information concerning the electrical installation of the device Manual Assembly Installation Information for operation with safety functions NOTICE Check the safety functions...

Page 15: ...tallation The safety relay unit and its inputs and outputs must meet the necessary safety classification of the safety function required for the specific case Connect each of the control inputs to the...

Page 16: ...the safety sub function STO The motor controller cannot detect a cross circuit in the input circuit by itself 1 Find out if detection of shorts across contacts is needed for the input circuit and diag...

Page 17: ...t is passed on to the servo drive on 2 channels via the inputs STO A and STO B at the connection X1A This safety request results in the 2 channel switch off of the driver supply to the servo drive s p...

Page 18: ...n STO but is supplemented by an emergency stop request either directly by wiring CTRL EN or indirectly via another functional controller so that the braking ramp can be activated by the safety relay u...

Page 19: ...cat 3 Ple Fig 7 Connection example for cross wiring several devices without checking individual diagnostic contacts Connection Example for Cross Wiring Several Devices with Checking the Diagnostic Co...

Page 20: ...s described below Devices with diagnostic output must always be wired in parallel e g all CMMT AS The signal must then be connected to the diagnostic contact of the first CMMT ST The diagnostic contac...

Page 21: ...ic contact CMMT ST and diagnostic output e g CMMT AS 6 Commissioning 6 1 Safety Use of safety functions NOTICE The safety sub function STO is already available on the servo drive on delivery without t...

Page 22: ...e overall system to calculate the required safety classification for the CMMT ST and to assess whether the CMMT ST is suitable for their application The following check lists are no substitute for saf...

Page 23: ...be inspected as a minimum as part of the validation Yes o No o o 3a Inspection of components is the servo drive described here being used check using the rating plate Yes o No o o 3b Is the wiring cor...

Page 24: ...ation The system manufacturer must guarantee the following steps are taken in order to integrate the safety sub function of the CMMT ST into their overall system Provide evidence of a system of projec...

Page 25: ...additional communica tion interfaces bus commissioning software LED Meaning Flashe s red Error in the safety part or a safety condition has been violated Illumi nated yellow The safety sub function h...

Page 26: ...cifications Safety reference data for the safety sub function STO Circuitry Stepper motor EC motor without evaluation of STA EC motor with eval uation of STA Safety sub function in accordance with EN...

Page 27: ...y unit is required or optional 2 To achieve the safety classification SIL 3 cat 3 PL e with stepper motor the evaluation of the diagnostic contact STA is optional An annual test interval is recommende...

Page 28: ...eight kg Approx 0 35 Tab 14 General technical data Ambient conditions transport in original packaging or in control cabinet Transport temperature C 25 70 Relative humidity 5 95 non condensing Max tran...

Page 29: ...resistance in accordance with EN 61800 2 EMC in accordance with EN 61800 5 2 Tab 17 Ambient conditions operation Service life Service life of the device at rated load h 25000 Dependent on the required...

Page 30: ...Min time between high test pulses at USTO A B UL max ms 50 1 Each channel has a separate overvoltage monitor for the power supply at the input If the voltage at the input exceeds the permissible maxi...

Page 31: ...MMT ST C8 1C S0 2021 04b Technical data 31 Diagnostic contact STA at X1A Galvanic isolation Via optocoupler Protective functions Overvoltage resistant up to 60 V DC Tab 20 Diagnostic contact STA C1 C2...

Page 32: ...2021 all rights reserved to Festo SE Co KG Copyright Festo SE Co KG 73734 Esslingen Ruiter Stra e 82 Deutschland Phone 49 711 347 0 Internet www festo com...