IFM Electronic GM705S Original Operating Instructions Download | Manualshive

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UK

► Adhere to the principle of normally closed operation for all external safety

circuits connected to the system�

► In case of faults within the fail-safe sensor which result in the defined safe

state: take measures to maintain the safe state when the complete control

system continues to be operated�

► Replace damaged units�

3 Items supplied

1 fail-safe sensor GM705S with premounted angle bracket,

1 Allen key for fixing the fail-safe sensor onto the angle bracket,

1 operating instructions GM705S, ident number 704241�
If one of the above-mentioned components is missing or damaged, please contact

one of the ifm branch offices�

4 Functions and features

The fail-safe inductive sensor GM705S detects metal without contact�
Safety function SF: The safe state (output stage switched off; logic "0") is achieved

when undamping greater than or equal to the safe switch-off distance s

ar

(→ 11 Technical data)�

Also observe the notes on installation of the sensor (→ 6 Installation)�
The fail-safe sensor conforms to the category 4 according to EN 954-1 (valid until

31 December 2011), Performance Level e according to EN ISO 13849-1:2008 as

well as to the requirements SIL 3 to IEC 61508 and meets SILcl 3 to IEC 62061�
The unit corresponds to the classification I2C40SP2 to IEC 60947-5-2 for non-

flush installation (→ 6 Installation)�
The fail-safe inductive sensor has been certified by TÜVNord�

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Summary of Contents for GM705S

Page 1: ...Original operating instructions Fail safe inductive sensor GM705S 704241 03 04 2010 UK ...

Page 2: ...Installation conditions 8 7 Electrical connection 9 8 Set up 10 8 1 Activate adjustment mode 10 8 2 Determine the enable zone 10 8 3 End adjustment mode 11 9 Operation 12 9 1 Switching state of the outputs 12 9 1 1 The safe state 12 9 1 2 The switched state 12 9 1 3 Output characteristics 12 9 1 4 Cross faults 12 9 2 Operating mode 13 9 2 1 Delayed switching of the LED 13 9 2 2 Switching of the LE...

Page 3: ...information about the correct handling of the product Read the instructions before use to familiarise yourself with operating conditions installation and operation Adhere to the safety instructions 1 1 Explanation of symbols Request for action LED on LED off LED flashes LED flashes quickly Important note 13 Maintenance repair and disposal 19 14 Approvals standards 20 15 Terms and abbreviations 21 ...

Page 4: ...please contact the manufacturer Tampering with the unit is not allowed Disconnect the unit externally before handling it Also disconnect any independently supplied relay load circuits After setup the system has to be subjected to a complete function check Use the unit only in specified environmental conditions 11 Technical data In case of special operating conditions please contact the manufacture...

Page 5: ...ease contact one of the ifm branch offices 4 Functions and features The fail safe inductive sensor GM705S detects metal without contact Safety function SF The safe state output stage switched off logic 0 is achieved when undamping greater than or equal to the safe switch off distance sar 11 Technical data Also observe the notes on installation of the sensor 6 Installation The fail safe sensor conf...

Page 6: ...eel and non flush installation to IEC 60947 5 2 the enable zone is in the range of 4 20 mm The safe switch off distance sar is 45 mm The enable zone is different if damping elements which deviate from the standard target plate in terms of material form and size are used Enable zone for other materials Material Enable zone stainless steel 2 0 17 6 mm AIMg3G22 0 9 6 mm AI 99 0 8 6 mm CuZn37 0 10 0 m...

Page 7: ... By slowly introducing a metallic object into the enable zone the outputs are immediately switched but displayed by the LED with a delay of approx 3 s 9 2 1 Delayed switching of the LED By doing so the object is generally in the close range before the LED indication is lit The technical instructions concerning the restart of the installation must be observed 2 If the metal object remains in the cl...

Page 8: ... 5 6 4 The socket is rotatable 8 9 7 6 2 Installation conditions The unit is non flush mountable according to IEC 60947 5 2 type I2C40SP2 Ensure the unit cannot work loose Tighten captive screws with 1 Nm Limit the use of oblong holes to the initial setting ...

Page 9: ...is 24 V DC This voltage may vary between 19 2 V and 30 V incl 5 residual ripple to EN 61131 2 In case of a single fault the supply voltage must not exceed 60 V DC for over 0 2 s up to a max value of 120 V DC This requires the safe separation between power supply and transformer For unit with cULus approval and the scope of validity cULus The device shall be supplied from an isolating transformer h...

Page 10: ...t mode is active As long as this mode is active the output stages remain in the safe state close range enable zone 8 2 Determine the enable zone If the sensor is in the adjustment mode the enable zone of the sensor can be determined by moving the damping element 45 0 mm Signal Power Signal Power Signal Power As soon as damping is carried out in the enable zone the yellow LED goes out If the target...

Page 11: ...t mode 45 0 2 s mm Signal Power 2 s Signal Power If the sensor is undamped for more than 2 s 45 mm the adjustment mode is switched off and the yellow LED goes out This can also be achieved by power off close range enable zone ...

Page 12: ... A2 OSSD are enabled logic 1 9 1 3 Output characteristics The output characteristics are compatible with the input characteristics to EN 61131 2 type 1 or 2 Logic 1 15 V 2 15 mA 11 V 15 30 mA Logic 0 5 V leakage current 0 2 mA pull down current typ 30 mA 9 1 4 Cross faults A cross fault between both outputs A1 and A2 is detected by the fail safe sensor and leads to switching off the outputs OSSD a...

Page 13: ...t with a delay of approx 2 s With the LED going out the outputs are maintained in the safe state 0 Thus switching on again in the enable zone is not possible Enabling is done by undamping 45 mm of more than 2 s or by interrupting the voltage 5 2 Protection against simple defeating 9 2 1 Delayed switching of the LED Undamping 2s 45 0 3 s mm Signal Power If the target was away from the sensor for mo...

Page 14: ...me when approaching the close range non safety related zone 100 ms Response time when approaching the enable zone enable time typ 100 ms 200 ms Risk time response time for safety related faults 100 ms Permissible dwell time in the close range approx 2 s Delay time to activate the adjustment mode 8 1 Activate adjustment mode approx 5 s Dwell time in the undamped condition 45 mm to return into the o...

Page 15: ...th outputs switched off 0 0 Signal Power target outside the enable zone operating mode or in the enable zone adjustment mode both outputs switched off 0 0 Signal Power target in the enable zone operating mode both outputs enabled 1 1 Signal Power target outside the enable zone adjustment mode both outputs switched off 0 0 Signal Power internal or external fault 12 Troubleshooting 0 0 1 0 1 0 ...

Page 16: ...e sensor Rectangular plastic M12 connector Enable zone 4 20 mm Meets the requirements of EN ISO 13849 1 2008 category 4 PL e SIL 3 to IEC 61508 2000 SILcl 3 to IEC 62061 Operating voltage 24 V DC 19 2 30 V Short circuit protection yes Reverse polarity protection yes Voltage drop 2 5 V 100 mA Current consumption 30 mA Outputs A1 A2 OSSD PNP ...

Page 17: ...ion class C to EN 60654 1 weatherproof application Climate Air pressure 80 106 kPa Salt spray no Height above sea level max 2000 m Ionising radiation not permissible Rate of temperature change 0 5 K min Ambient temperature 25 60 C for service life 87600 h 10 40 C for service life 175200 h Relative air humidity 5 95 for service life 87600 h 5 70 for service life 175200 h Mission time TM mission tim...

Page 18: ...tor gold plated contacts Wiring diagram Evaluation unit or PLC Core colours BK black BN brown BU blue WH white Comments Unless stated otherwise all data refer to a 60 x 60 x 1 mm reference target plate to IEC 60947 5 2 FE360 mild steel over the whole temperature range ...

Page 19: ...s fault between both outputs A1 and A2 Cross fault between one output A1 or A2 and the supply voltage Error in the sensor detected Switch the operating voltage off and on again Check wiring and connec tions Check external electronics e g PLC Remove the cross fault Replace the unit 13 Maintenance repair and disposal If used correctly no maintenance and repair measures are necessary Only the manufac...

Page 20: ...ctive 2006 42 EC European Machinery Directive 2004 108 EC EMC Directive EN ISO 13849 1 PL e 2006 Safety of machinery Safety related parts of control systems IEC 60947 5 2 2008 Low voltage switchgear and controlgear Control circuit devices and switching elements Proximity switches IEC 61508 2000 IEC 62061 2005 UL 508 ...

Page 21: ...tput Signal Switching Device PFH Probability of Failure per Hour PL Performance Level PL to EN ISO 13849 1 SIL Safety Integrity Level SIL 1 4 to IEC 61508 The higher the SIL the lower the probability that a safety function will fail SILcl Safety Integrity LevelClaim Limit to IEC 62061 TM Mission Time Lifetime max service life ...

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