IFM Electronic GF711S Original Operating Instructions

Original operating instructions

Fail-safe inductive sensor

GF711S

80236521 / 00 09 / 2016

Contents

1 Preliminary note �� 3

1�1 Symbols used ��3 1�2 Warning signs used ��3

2 Safety instructions ��4

2�1 Safety-related requirements regarding the application �� 4 3 Items supplied��5 4 Functions and features ��6 5 Function �� 6

5�1 Enable zone �� 6 6 Installation��7

6�1 Protection against simple defeating ��8 7 Electrical connection �� 8 8 Operation �� 9

8�1 Switching state of the outputs ��9

8�1�1 The safe state �� 9 8�1�2 The switched state �� 9 8�1�3 Output characteristics �� 9

8�1�4 Cross fault / short circuit ��9 8�2 Response times �� 10 8�3 LED display �� 11

9 Technical data �� 12 10 Troubleshooting ��14 11 Maintenance, repair and disposal ��14 12 Terms and abbreviations ��15

1 Preliminary note

The instructions are part of the unit� They are intended for authorised persons according to the EMC, Low Voltage and Machinery Directives and safety regulations� The instructions contain information about the correct handling of the product� Read the instructions before use to familiarise yourself with operating conditions, installation and operation� Follow the safety instructions�

1.1 Symbols used

► Instructions → Cross-reference

Important note Non-compliance can result in malfunction or interference�

Information Supplementary note�

LED on

LED off

LED flashes (2 Hz)

LED flashes quickly (5 Hz)

1.2 Warning signs used

WARNING

Warning of serious personal injury� Death or serious irreversible injuries may result�

2 Safety instructions

• Follow the operating instructions�

• Improper use may result in malfunctions of the unit� This can lead to personal injury and/or damage to property during operation of the machine� For this reason note all remarks on installation and handling given in this document� Also adhere to the safety instructions for the operation of the whole installation�

• In case of non-observance of notes or standards, especially when tampering with and/or modifying the unit, any liability and warranty is excluded�

• If the sensor is damaged, the safety function cannot be guaranteed�

• Errors caused by damage cannot be detected by the sensor�

• The unit must be installed, connected and put into operation by a qualified electrician trained in safety technology�

• The applicable technical standards for the corresponding application must be complied with�

• For installation the requirements according to EN 60204 must be observed�

• In case of malfunction of the unit 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 installation, maintenance or repair of the system perform a complete function check�

• Use the unit only in specified environmental conditions (→ 9 Technical data)� In case of special operating conditions please contact the manufacturer�

• Use only as described below (→ 4)�

2.1 Safety-related requirements regarding the application

It must be ensured that the safety requirements of the respective application correspond to the requirements stated in these instructions�

WARNING

Failure of the safety function When used outside of the defined environmental conditions, the safety-related

function of the sensor cannot be guaranteed�

► Use only in accordance with the defined environmental conditions (→ 9

Technical data)�

Use of the sensor in the vicinity of chemical and biological media (solid, liquid, gaseous) as well as ionising radiation is not permitted�

Observe the following requirements:

► Take measures to avoid metallic objects being placed on the sensing face

unintentionally�

► Adhere to EN 14119 for interlocking devices associated with guards� ► 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 GF711S with 2 M12 fixing nuts, 1 original instructions GF711S, ident no� 80236521�

If one of the above-mentioned components is missing or damaged, please contact one of the ifm branch offices�

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