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Table of Contents
Related Manuals for IFM GG854S
Summary of Contents for IFM GG854S
- Page 1 Original operating instructions Fail-safe inductive sensor GG854S...
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Page 2: Table Of Contents
Contents 1 Preliminary notes .................... 3 Symbols used ..................3 Warnings used..................3 2 Safety instructions ..................3 Safety-related requirements regarding the application ......4 3 Items supplied....................5 4 Functions and features ................... 5 5 Function ......................6 Enable zone..................... 6 Switch-on curve Sao................ -
Page 3: Preliminary Notes
1 Preliminary notes You will find instructions, technical data, approvals and further information using the QR code on the unit / packaging or at www.ifm.com. 1.1 Symbols used Instruction Reaction, result Cross-reference LED on LED off LED flashes Important note Non-compliance can result in malfunction or interference... -
Page 4: Safety-Related Requirements Regarding The Application
– The system manufacturer is responsible for the functioning of the application programs. – If the sensor is damaged, the safety-related function cannot be guaranteed. Errors caused by damage will not cause transition to the safe state. – If necessary, the system manufacturer has to obtain an approval from the competent supervisory and test organisations for the system’s safety-related functions according to the applicable regulations. -
Page 5: Items Supplied
• 1 safety sensor with 2 fixing nuts • 1 original operating instructions If one of the above-mentioned components is missing or damaged, please contact one of the ifm branch offices. 4 Functions and features The device detects metal without contact. -
Page 6: Function
u Observe the notes on the installation (→ 6 Installation). The device is a proximity sensor with defined behaviour under fault conditions (PDDB) according to IEC 60947-5-3. The device conforms to Performance Level d according to EN ISO 13849-1 as well as to the requirements SIL 2 according to IEC 61508 and meets SILcl 2 according to IEC 62061. -
Page 7: Switch-On Curve Sao
WARNING Failure of the safety function The safe switch-off distance is different if targets which deviate from the reference target in terms of material, form and size are used. u Check whether the safety-related function of the sensor is guaranteed under the given operating conditions. Safe switch-off distance for specific materials*: Material Safe switch-off distance s... -
Page 8: Mounting
Typical switch-on curve (for slow approach) Typical switch-off curve (for slow approach) Poor repeatability Good repeatability 6 Mounting The sensor can be mounted flush according to IEC 60947-5-2, type I2A18SP2. u Ensure that the device and the target cannot come loose. u Tighten the supplied fastening nuts to a maximum tightening torque of 25 Nm. WARNING Failure of the safety function If the sensor or the target comes loose in its fixture, the sensor can... -
Page 9: Electrical Connection
Tighten the socket according to the manufacturer's indications. Observe the tightening torque for the ifm socket (e.g. EVxxxx: 0.6...1.5 Nm). 7 Electrical connection The unit must be connected by a qualified electrician. The national and international regulations for the installation of electrical equipment must be adhered to. -
Page 10: The Switched State
8.1.2 The switched state If the target is in the enable zone and if there is no sensor error, both outputs A1 and A2 (OSSDs) are enabled (logic "1"). 8.1.3 Output characteristics The interface of the devices complies with interface type C class 1 according to the ZVEI position paper CB24I Ed. -
Page 11: Led Display
High High 8.3 LED display LED Operating status Outputs no voltage supply both outputs switched off overvoltage both outputs switched off sensor fault one output or both outputs switched off (→ 10 Troubleshooting) target is at safe switch-off distance both outputs switched off from the sensor target is in the enable zone both outputs enabled... - Page 12 1 2 3 4 56 7 8 9 6 ÿ 7 7 ÿ 3 1 9 4 4 ÿ A6 6 7 7 ÿ...
- Page 13 1 2 3 4 56 7 8 9 6 ÿ 7 7 ÿ 3 1 9 4 4 A 7 ÿ B D !!E ÿ...
- Page 14 1 2 3 4 56 7 8 9 6 ÿ 7 7 ÿ 3 1 9 4 4 A 6 7 Bÿ 7 7 F G HI ÿ...
- Page 15 1 2 3 4 56 7 8 9 6 ÿ 7 7 ÿ 3 1 9 4 4 A ÿ ÿ 6 BB 6 8 ÿ...
- Page 16 1 2 3 4 56 7 8 9 6 ÿ 7 7 ÿ 3 1 9 4 4 A B6 7 6 8 ÿ 6 6 D * E ÿ...
- Page 17 1 2 3 4 56 7 8 9 6 ÿ 7 7 ÿ 3 1 9 4 4 A 7 0 1 # &...
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Page 18: Troubleshooting
10 Troubleshooting Problem Possible cause Troubleshooting No LED display No voltage supply Apply voltage The device does not The device was brought into the safe • Remove the cross switch, not even after state (logic "0"). Cause: fault undamping and re- •...