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IFM GG854S Fail-safe inductive sensor


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SKU: GG854S Categories: , , Tag:


  • Certified to the following standards: EN 60947-5-3, IEC 61508 and ISO 13849
  • Connection to safety PLC, safe AS-i modules or safe evaluation units
  • Ensuring operator and mac
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Product characteristics
Electrical design PNP
Output function 2 x OSSD (A1 and A2)
Enable zone [mm] > 11.5
Housing threaded type
Dimensions [mm] M18 x 1 / L = 60
Special feature Gold-plated contacts
Type of operation permanent operation
Safety-related function safe state when damped correctly
Application Use in mobile and harsh applications
Electrical data
Operating voltage [V] 8…32 DC
Rated insulation voltage [V] 60
Current consumption [mA] < 20
Protection class III
Reverse polarity protection yes
Max. power-on delay time [ms] 1000
Electrical design PNP
Output function 2 x OSSD (A1 and A2)
Max. voltage drop switching output DC [V] 2.5; (30 mA)
Minimum load current [mA] 1
Permanent current rating of switching output DC [mA] 50
Switching frequency DC [Hz] 10
Output data Interface type C class 1
Output voltage at 24 V compatible with EN 61131-2 inputs type 1, 2
Short-circuit protection yes
Overload protection yes
Max. capacitive load CL_max [nF] 20
Detection zone
Enable zone [mm] > 11.5
Safe switch-off distance s(ao) [mm] < 6.5
Accuracy / deviations
Correction factor steel: 1 / stainless steel: 0.7 / brass: 0.4 / aluminium: 0.4 / copper: 0.3
Hysteresis [% of Sr] 1…10
Response times
Response time to safety request [ms] 5
Response time when approaching the enable zone [ms] 5
Risk time (response time for safety-related faults) [ms] 100
Operating conditions
Ambient temperature [°C] -40…85
Max. relative air humidity [%] 50; (70 °C; <70 °C: >50 %)
Max. height above sea level [m] 5000
Ionising radiation not permissible
Protection IP 65; IP 67; IP 68; IP 69K; (with ifm socket duly screwed on)
Chemical media
test according to ISO 16750-5
the following media were tested for 22 hours at 60 °C coolants
The following media were tested for 22 hours at 75 °C hydraulic fluids
(Fuchs Renoling B15 VG 46 HLP
Total BiohydranTMP 4HEES
Fuchs Hydrotherm 46 M HFC)
transmission oils
(Fuchs TITAN ATF 3353 Dexron III)
brake fluid
the following media were tested for 22 hours at 23 °C corrosion protection
(Sonax special preservation wax )
cold cleaner
(Sonax cold cleaner S )
ammonia-based cleaner
(Weco Dr. Webers Salmiak-Konzentrat (concentrated ammonium chloride) )
battery acid
the following media were tested for 2 hours at 23 °C wheel rim cleaner
(Sonax Xtreme Plus)
the following media were tested for 10 minutes at 23 °C premium-grade petrol lead-free
Tests / approvals
industrial environments
EN 60947-5-3
EN 61000-4-2 ESD 6 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 20 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-5 Surge 2 kV
EN 61000-4-6 HF conducted 10 V
EN 61000-4-8 30 A/m 50/60 Hz / 1000 A/m 0 Hz
EN 55011 class B
mobile applications only for operation with central load-dump suppression (58 V) / not for active operation during motor start phase in 12 V systems
ISO 10605 ESD 8 kV CD / 15 kV AD
ISO 11452-2, ISO 11452-5 radiated immunity 100 V/m
ISO 7637-2, ISO 16750-2 conducted immunity 12 V / 24 V
pulse 1 2a 3a 3b 4 5b
severity level III III III III III III 58V
failure criterion B B B A A C/B A
EN 55025
Vibration resistance
EN 60068-2-6 Fc 20 g (10…3000 Hz) / 50 sweep cycles, 1 octave per minute, in 3 axes
Broadband noise
EN 60068-2-64 h 5,9 g (10…2000 Hz) / effective acceleration for chassis mounting
Shock resistance
EN 60068-2-27 Ea 100 g 11 ms half-sine; 3 shocks each in every direction of the 3 coordinate axes
Continuous shock resistance
EN 60068-2-27 Ea 40 g 6 ms; 4000 shocks each in every direction of the 3 coordinate axes
Fast temperature change
EN 60068-2-14 Na TA = -40°C; TB = 85°C; t1 = 30 min; t2 = 10 s 100 cycles
Salt spray test
EN 60068-2-52 Kb severity level 5 (4 test cycles)
Safety classification
Complies with the requirements
ISO 13849-1: 2015 category 2, PL d
IEC 61508 SIL 2
IEC 62061 SIL 2
Mission time TM [h] ≤ 87600
Mission time TM (additional indication)
industrial environments Temperature range -25…70 °C ≤ 175200
PFH [1/h] < 5E-08
Mechanical data
Weight [g] 106.8
Housing threaded type
Mounting non-flush mountable
Dimensions [mm] M18 x 1 / L = 60
Thread designation M18 x 1
Materials threaded sleeve: brass white bronze coated; sensing face: LCP; LED window: PEI; lock nuts: brass white bronze coated
Tightening torque [Nm] < 25
Displays / operating elements
Display switching status 4 LED, yellow
Items supplied
lock nuts: 2
material for secure mounting not supplied; fixing must be done by the user
meets the environmental and EMC requirements for operation in agricultural and forestry machinery, earthworks and construction machines as well as in industrial trucks
Unless stated otherwise, all data refer to the reference target plate to IEC 60947-5-2 over the whole temperature range.
(FE360 = ST37-2K) 24x24x1 mm
Pack quantity 1 pcs.
Electrical connection – plug
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated

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