Festo CMTT-AS S1 Series Description
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Festo CMTT-AS S1 Series Description

Festo CMTT-AS S1 Series Description

Safety sub-function sto, sbc, ss1
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CMMT-AS-...-S1
Servo drive
Description | Safety
sub-function | STO,
SBC, SS1
8096255
8096255
2018-10a
[8096257]

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Summary of Contents for Festo CMTT-AS S1 Series

  • Page 1 CMMT-AS-...-S1 Servo drive Description | Safety sub-function | STO, SBC, SS1 8096255 8096255 2018-10a [8096257]...
  • Page 2 Translation of the original instructions ® ® ® ® ET 200SP , PNOZ , Pilz , SIEMENS are registered trademarks of the respective trademark owners in certain countries. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 3: Table Of Contents

    SBC installation......................24 SS1 installation......................26 Installation for operation without safety sub-function...........27 Commissioning......................28 Safety..........................28 Check lists........................28 Operation........................30 Malfunctions....................... 31 Diagnostics via LED...................... 31 Repair..........................31 Technical data......................32 Technical data, safety equipment................. 32 Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 4 Technical data, product conformity and approvals............36 General technical data....................36 Technical data, electrical....................38 9.4.1 Motor auxiliary connection [X6B]................38 9.4.2 Inputs, outputs, ready contact at [X1A]..............40 9.4.3 Inputs and outputs for the axis [X1C]..............43 Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 5: About This Document

    • Observe the safety instructions in the documentation è  Instructions Assembly Installation Safety sub-function. All available documents for the product è www.festo.com/pk. Product version This documentation refers to the following version of the device: –...

  • Page 6: Intended Use

    EN 60204-1. Motors approved or specified by Festo for the CMMT-AS fulfil the requirements. The motor cables and brake lines must fulfil the requirements of EN 61800-5-2 appendix D.3.1 and of EN 60204-1. Motor cables and brake lines approved by Festo for the CMMT-AS fulfil the requirements. Foreseeable misuse Foreseeable misuse, general –...

  • Page 7: Training Of Qualified Personnel

    è 9.1 Technical data, safety equipment. Please note that compliance with the named standards is limited to the CMMT-AS-...-S1. Service Contact your regional Festo contact person if you have technical questions è www.festo.com. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 8: Product Overview

    The rotation angle/travel corresponds to a pole pitch. Examples: • Rotating motor, synchronous machine, 8-pin è Movement < 45° at the motor shaft • Linear motor, pole pitch 20 mm è Movement < 20 mm at the moving part Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 9 The safety sub-function STO is requested on 2 channels by simultaneously switching off the control voltage at both control inputs #STO-A and #STO-B. The drive behaves as follows when the safety sub-function STO is requested: Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 10 STO request. The level of STA must change according to the logic table. The safety relay unit can cyclically test the signals #STO-A and #STO-B for high level with low test pulses and for low level with high test pulses. Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 11 2-channel input for STO request #STO-HS/#STO-LS Internal triggering, PWM driver high side/low side Length, low test pulses at #STO-A/B STO,TP Max. delay until STO shutdown is performed (≤ permissible reaction time STO,In when a safety sub-function is requested Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 12: Safety Sub-Function Sbc

    Check whether safety sub-function SS1 is better suited to your application. SBC may only be used for holding brakes or clamping units which engage in the de-energised state. Ensure the lines are installed in a protected manner. Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 13 Switching off of both brake outputs is requested (#SBC-A = #SBC-B = low level) – The internal diagnostic functions have determined that there is no internal error and both brake outputs are de-energised (switched off). Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 14 Recommendation: Evaluation with every actuation. • Check SBA feedback whenever there is a request. #SBC-A (BR+) #SBC-B (BR-Ext) Low level Low level High level High level High level Low level Tab. 5 Evaluation of SBC level Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 15 Brake #SBC-A/#SBC-B 2-channel input for SBC request Length, low test pulses at #SBC-A/B SBC,TP Max. delay until the related brake output is switched off (≤ permissible reac- SBC,In tion time when a safety sub-function is requested Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 16: Safety Sub-Function Ss1

    Check whether a brake test is required. The DGUV information sheet “Gravity-loaded axis” provides information on this. 4.1.4 Safety sub-function SS1 Fig. 8 Symbol for SS1 The function described here implements the safety sub-function SS1 according to EN 61800-5-2. Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 17 3. Safety sub-function STO requested plus – if required – SBC once the delay time has elapsed. The figure below shows the necessary logic circuit for the safety relay unit: Logic in the safety relay unit for SS1 Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 18 Fig. 9 Logic in the safety relay unit for SS1 The delay times are directly included in the reaction time of the system. SS1 feedback The STA signal can be used as feedback for the safety sub-function SS1. Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 19 2-channel input for SBC request Feedback, STO active Feedback, SBC active Braking ramp followed, rotational speed = 0 (functionally) Brake closed, and output stage switched off (functionally) Rotational speed Tab. 7 Legend for SS1 timing Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 20: Cross Wiring Of Several Servo Drives

    è STO feedback via STA diagnostic contact and è SBC feedback via SBA diagnostic contact. 4.1.6 Error exclusion Put suitable measures in place to prevent wiring errors: Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 21: Safety Relay Unit

    The interfaces of the PDS(SR) (Power Drive System, safety related) to the outside world are: – Power supply – Inputs and diagnostic check-back signals – Movement of the shaft – Output for controlling a second brake Interfaces of the PDS Fig. 12 Interfaces of the PDS Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 22: Installation

    – To cross-wire safety-related inputs and outputs, use twin cable end sleeves. When cross-wiring inputs and outputs, a maximum of 10 devices may be cross-wired è Description Assembly, Installation. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 23: Sto Installation

    Safe torque off acknowledge Tab. 8 Inputs and outputs for the safety sub-function STO STO connection example The safety sub-function STO (safe torque off) is triggered by an input device that makes the safety request (e.g. light curtain). Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 24: Sbc Installation

    [X1A]. The SBA diagnostic output indicates whether the safe status has been reached for the safety sub-function SBC. The holding brake is connected via the connection [X6B]. The external clamping unit is connected via the connection [X1C]. Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 25 Holding brake (negative potential) Tab. 9 Inputs and outputs for the SBC safety sub-function SBC connection example The safety sub-function SBC (safe brake control) is triggered by an input device that makes the safety request. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 26: Ss1 Installation

    Inputs and outputs for the safety sub-function SS1 The safety sub-function SS1 is wired like the safety sub-function STO but is supplemented by the func- tional input CTRL-EN so that the braking ramp can be activated by the safety relay unit. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 27: Installation For Operation Without Safety Sub-Function

    Connection Pin Type Identifier Function [X1A] X1A.9 #SBC-B Supplies each one with 24 V X1A.10 #SBC-A X1A.11 #STO-B X1A.12 #STO-A X1A.21 DOUT Do not connect X1A.22 Tab. 10 Wiring of inputs and outputs without safety sub-function Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 28: Commissioning

    3. User information about the residual risk? Have the hazards been eliminated or the hazard risks reduced as far Yes    as practically possible? No  Can it be guaranteed that the implemented measures do not create Yes    new hazards? No  Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 29 If multiple CMMT-AS have been connected together (linked) via Yes    X1A: Have the connection instructions been taken into account? No  4.1.5 Cross wiring of several servo drives. è c) Functional tests: Yes    No  Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 30: Operation

    – STO: No test has to be carried out during the period of use, but we recommend evaluating STA whenever the sub-function is requested to ensure maximum diagnostic coverage and the highest safety-related classification. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 31: Malfunctions

    1. If there is an internal defect: Always replace the product. 2. Send the defective product unchanged, together with a description of the error and application, back to Festo. 3. Check with your regional Festo contact person to clarify the conditions for the return shipment. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 32: Technical Data

    SIL CL 3 SIL CL 3 SIL CL 2 subsystem in accord- ance with EN 62061 Category in accordance Cat. 4 Cat. 4 Cat. 3 with EN ISO 13849-1 Performance level in PL e PL e PL d accordance with EN ISO 13849-1 Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 33 Type A accordance with EN 61508 1) Safety sub-function STO tested and STA diagnostic output monitored by the safety controller at least 1 x every 24 h. Tab. 15 Safety reference data for the safety sub-function STO Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 34 Mean time to danger- 1400 ous failure in accord- ance with EN ISO 13849-1, MTTF Average diagnostic – coverage in accordance with EN ISO 13849-1, Operating life (mission time) in accordance with EN ISO 13849-1, Safe failure fraction SFF in accordance with EN 61508 Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 35 It is essential that time monitoring be provided in the safety controller. The technical data for the safety sub-function SS1 must be calculated individually according to the application. Use the specified safety reference data for STO and SBC for the calculation. Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 36: Technical Data, Product Conformity And Approvals

    Vibration test and free fall in packaging in accordance with EN 61800-2 Tab. 19 Ambient conditions, transport Ambient conditions, storage Storage temperature [°C] −25   +55 … Relative humidity 5   95 (non-condensing) … Permissible altitude 3000 (above sea level) Tab. 20 Ambient conditions, storage Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 37 IEC 61800-5-1, Chap. 3.5 Protection class Overvoltage category Degree of contamina- tion Vibration resistance in IEC 61800-5-1 and EN 61800-2 accordance with Shock resistance in EN 61800-2 accordance with Tab. 21 Ambient conditions, operation Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 38: Technical Data, Electrical

    1) The test pulses of the associated control input #SBC-A are mapped to the output subject to a switching delay. 2) Brake output also shuts down in the event of a fault if there is an overvoltage on the logic supply. Tab. 23 Output of holding brake [X6B], 1-phase devices Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 39 1) The test pulses of the associated control input #SBC-A are mapped to the output subject to a switching delay. 2) Brake output also shuts down in the event of a fault if there is an overvoltage on the logic supply. Tab. 24 Output of holding brake [X6B], 3-phase devices Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 40: Inputs, Outputs, Ready Contact At [X1A]

    H max Min. input voltage high-level (U H min Max. input voltage low- level (U L max Min. input voltage low- – level (U L min Max. input current with [mA] high-level (I H max Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 41 Control inputs #SBC-A and #SBC-B at [X1A] Specification Based on type 3 to EN 61131-2 Nominal voltage [V DC] Permissible voltage [V DC] 3   30 – … range Max. input voltage high-level (U H max Min. input voltage high-level (U H min Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 42 < SBC-A/B L max 1) High test pulses must not occur simultaneously at inputs #SBC-A and #SBC-B but only with a time offset. Tab. 26 Control inputs #SBC-A and #SBC-B at [X1A] Festo — CMMT-AS-...-S1 — 2018-10a...

  • Page 43: Inputs And Outputs For The Axis [X1C]

    Inputs and outputs for the axis [X1C] Output BR-EXT at [X1C] Design High-side switch Voltage range [V DC] 18   30 … Permissible output cur- [mA] rent for high level Voltage loss at high  3 < level Pull-down resistance  50 Ω < Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 44 Resistive load (min.) Ω Inductive load [mH]  100 < Capacitive load [nF]  10 < 1) The test pulses of the associated control input #SBC-B are mapped to BR-EXT subject to a switching delay. Tab. 28 Output BR-EXT Festo — CMMT-AS-...-S1 — 2018-10a...
  • Page 46 Copyright: Festo AG & Co. KG Ruiter Straße 82 73734 Esslingen Germany Phone: +49 711 347-0 Fax: +49 711 347-2144 Reproduction, distribution or sale of this document or communic- e-mail: ation of its contents to others without express authorization is service_international@festo.com...

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