IFM Electronic Efector100 GG507S Manuel utilisateur

Original operating instructions

Fail-safe inductive sensor

GG507S

704057 / 02 06 / 2010

Contents

1 Preliminary note��3

1�1 Explanation of symbols��3

2 Safety instructions ��4

2�1 Safety-related requirements regarding the application��4

3 Items supplied��5

4 Functions and features ��5

5 Function��6

5�1 Enable zone��6

5�2 Protection against simple defeating��7

6 Installation��8

7 Electrical connection��8

8 Set-up ��9

8�1 Activate adjustment mode ��9

8�2 Determine the enable zone ��9

8�3 End adjustment mode��10

9 Operation��10

9�1 Sensor signals ��10

9�2 Input characteristics / output characteristics�� 11

9�3 Cross faults �� 11

9�4 Operating mode��12

9�4�1 Delayed switching of the LED��12

9�4�2 Switching of the LED without delay ��13

9�5 Response times��14

9�6 LED display ��15

10 Scale drawing ��16

11 Technical data ��16

12 Troubleshooting ��19

13 Maintenance, repair and disposal��19

14 Approvals / standards ��19

15 Terms and abbreviations��20

1 Preliminary note

The instructions are part of the unit� They are intended for authorised persons

according to the EMC and Low Voltage Directive 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�

Adhere to the safety instructions�

1.1 Explanation of symbols

►

Request for action

LED on

LED off

LED flashes

LED flashes quickly



Important note

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 these instructions�

Also adhere to the safety instructions for the operation of the whole installation�

• In case of non-observance of notes or standards, specially when tampering

with and/or modifying the unit, any liability and warranty is excluded�

• 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 setup the system has to be subjected to a complete function check�

• Onlyusetheunitunderthespecifiedoperatingconditions(→11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�

Observe the following requirements:

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

intentionally or unintentionally�

►Adhere to EN 1088 for interlocking devices associated with guards�

► Adheretothespecifiedoperatingconditions(→11Technicaldata).Useof

the sensor in the vicinity of chemical and biological media as well as ionising

radiation is not permitted�

►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 GG507S with 2 M18 mounting nuts,

1 operating instructions GG507S, ident no� 704057�

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 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 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�

The unit corresponds to the classification I1A18SP2M to IEC 60947-5-2 for flush

installation(→6Installation).

The fail-safe inductive sensor has been certified by TÜVNord�

5 Function



Dual LED: signal (yellow); power (green)



Fail-safe sensor



Close range



Enable zone



Safe switch-off distance sar



Target

5.1 Enable zone

The output is only enabled when damped in the enable zone� Outside this enable

zone the output remains switched off�

If damped with a standard target plate of 24 x 24 x 1 mm made of FE360 (= mild

steel) and flush installation to IEC 60947-5-2 the enable zone is in the range of

1��4 mm�

The safe switch-off distance sar is > 10 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

steel FE360 1��4 mm

stainless steel 1�4301/304S15 0�4��2�7 mm

AIMg3G22 0��1�4 mm

CuZn37 0��1�5 mm

Cu 0��0�8 mm

* Typical values for damping with a reference target of 24 x 24 x 1 mm and flush installation

to IEC 60947-5-2 at an ambient temperature of 20°C�

5.2 Protection against simple defeating

The fail-safe sensor reacts to metal objects, e�g� the frame of a security door�

Other metal objects that are not intended to enable the sensor must not be

allowed to enable the fail-safe sensor, either intentionally or unintentionally�



►Take measures to prevent metal objects, except the designated target,

from being placed on the sensing face or in the enable zone intentionally

or unintentionally�

In addition, the sensor has the following switching characteristics to make simple

defeating of its safety function more difficult:

1� By slowly introducing a metallic object into the enable zone, the output is

immediately switched, but displayed by the signal LED with a delay of about

3s(→9.4.1Delayedswitchingofthesignal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 object stays in the close range for longer than approx� 2 s, the output is

completely disabled and no longer enabled if damped in the enable zone� If

the object stays in the close range for longer than approx� 5 s, the adjustment

modeisactivated(→8.1Activateadjustmentmode).

Release of the enable zone can be carried out

•either by undamping (> 10 mm) for a time of more than 2 s

•or by a voltage interruption

(→8.3Endadjustmentmode).

6 Installation

The unit is flush mountable according to IEC 60947-5-2, type I1A18SP2M�

►Ensure the unit cannot work loose� Maximum tightening torque: 40 Nm

►Adhere to the installation conditions in accordance with the figures 1 to 3:

123

7 Electrical connection

Wiringdiagram→11Technicaldata

►Disconnect the unit� Also disconnect any independently supplied relay load

circuits�

►Supply voltage: connect L+ to pin 1 and L- to pin 3 of the connector�



The nominal voltage 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 one fault the supply voltage must not exceed 60 V DC for more

than 0�2 s up to a max� value of 120 V DC (this corresponds to SELV to

EN 60950-1)�



For unit with cULus approval and the scope of validity cULus:

The device shall be supplied from an isolating transformer having a

secondary listed fuse rated either

a) max� 5 amps for voltages 0~20 Vrms (0~28�3 Vp) or

b) 100/Vp for voltages of 20~30 Vrms (28�3~42�4 Vp)�

8 Set-up

8.1 Activate adjustment mode

For easy and reliable installation the sensor can be put in the adjustment mode�

100 mm

> 5 s

Signal

Power

This is done by placing a metallic

object directly in front of the sensing

face of the fail-safe sensor (close

range)�

After approx� 5 s the yellow signal

LED starts to flash: the adjustment

mode is active�

As long as this mode is active, the

output stage remains in the safe

state ("0")�



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�

100 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 is in the close range or in

the immediate vicinity of the enable

zone, the LED starts to flash again�



Close range



Enable zone

8.3 End adjustment mode

< 2 s

Signal

Power

> 2 s

Signal

Power

100 mm

If the sensor is undamped for more

than 2 s (> 10 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

9 Operation

9.1 Sensor signals

The safe state is when the output is switched off (zero-current state: logic "0")� The

fail-safe sensor must be operated with a clock signal on its clock input (TE)� The

clock input signal must meet the defined time conditions (see figure)�

T1 T2

T1≥50ms

T2≥50ms

T = 100��500 ms

td = 1�0��1�5 ms (± 10 %)



Clock input (TE)



Output

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