turck IM12-CD Safety Manual Download Page 2

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Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | [email protected] | www.turck.com

Summary of Contents for IM12-CD

Page 1: ...Your Global Automation Partner IMX12 CD IM12 CD Relay Coupler Safety Manual...

Page 2: ...2 Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com...

Page 3: ...4 Examples for using the results 13 5 4 1 Probability of dangerous failure per hour High Demand mode 13 5 4 2 Average probability of dangerous failure on demand Low Demand mode 14 6 Safety Operating I...

Page 4: ...4 Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com...

Page 5: ...definitive document Care was taken in the production of the translations of this document If there is any uncertainty in its interpretation refer to the English version of the safety manual or contact...

Page 6: ...to IEC 61508 hardware fault tolerance HFT 1 IMX12 CD01 2R 2U The IMX12 CD relay couplers are equipped with three relay outputs change over switches Depending on the input level the input signals are...

Page 7: ...within maximum 40 ms so that NO contact is open and NC contact is closed NE load connection Safety Function for NE Normally Energized load de energized in safe state is available at Terminal Blocks 7...

Page 8: ...d in safe state is available at Termi nal Blocks 7 4 Two NO contacts in series connection SIL3 E1 E2 A1 A2 ND load Safety Function If a simultaneous low signal is present at input E1 and E2 connected...

Page 9: ...s 7 4 Two NO contacts in series connection SIL3 E3 A1 A2 ND load Safety Function If a simultaneous low signal is present at input E3 connected by a single SIL3 signal source the output relay A1 and A2...

Page 10: ...nal Blocks 7 8 A1 ND load connection Safety Function for ND Normally De Energized load is available at Terminal Blocks 6 8 A1 SIL3 Loop Powered mode with 1oo2 channel architecture SIL3 E1 A1 A2 NE loa...

Page 11: ...nal Blocks 6 8 or 5 4 because externally connected in parallel Two NC contacts in parallel connection 4 2 Safe state IMX12 CD01 2R 2U The safe state is defined as the output relay is de energized so t...

Page 12: ...he following characteristics are specified Type A HFT 1 The internal structure is partly HFT 0 or HFT 1 The redundancy of the circuit components was already taken into account in the probabilistic cal...

Page 13: ...N 29500 based on the average ambient temperature of components of 40 C No effect is a failure mode of a component that plays part in implementing the safety func tion but is neither a safe nor a dange...

Page 14: ...mode With the FMEDA results and the values specified in the following table the average frequency of dangerous failure can be calculated exemplarily T1 8760 h MTTR 24 h IMX12 CD01 2R 2U safety functio...

Page 15: ...the exterior sidewall of the housing can deviate considerably from the temperature in the control cabinet The temperature on the exterior sidewall of the housing must be observed in a steady state In...

Page 16: ...endix Connection and Wiring Diagrams on page 19 Use cables with Terminal cross section rigid 0 2 mm to 2 5 mm or flexible 0 2 mm to 2 5 mm When wiring with stranded wires Fix the wiring ends with ferr...

Page 17: ...t limits the current to 2 A to avoid contact welding The configuration shall be validated by the user The device shall not be re configured after the validation of the configuration 6 3 Operation If t...

Page 18: ...KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 6 4 After operation Undo the terminal connection on the device Remove the device from its rail fixing as shown in the figure Fig 4 Rem...

Page 19: ...be found at the front label The connection of a deactivated input is unnecessary 7 1 IMX12 CD01 2R 2U Fig 5 Block diagram IMX12 CD01 2R 2U 7 2 IM12 CD01 2R 1U Fig 6 Block diagram IM12 CD01 2R 1U 7 6...

Page 20: ...diagnostic circuit DD Detected dangerous failure rate per hour DU Undetected dangerous failure rate per hour SD Detected safe failure rate per hour SU Undetected safe failure rate per hour MTTR Mean t...

Page 21: ...ate input control signals to the interface modules and verify the ex pected signal input output conditions for the interfaces 3 Verify if internal fault detection is working in case it is activated 4...

Page 22: ...www turck com Over 30 subsidiaries and over 60 representations worldwide 100004636 2019 04 100004636...