ifm Fail-safe inductive sensors


ifm Fail-safe inductive sensors

  • Certification to EN 60947-5-3 for electromechanical controlgear
  • Ensuring operator and machine safety
  • No special actuator for electronic fail-safe sensors required
  • Connection to safety plc or safe AS-i module
  • Series connection of sensors and contacts possible

Applicable products: 21

Fail-safe inductive sensor GF711S
GF711S
Dimensions Enable zone Output function Output Connection
M12 x 1 / L = 70 mm 0.5...4 mm 2 x OSSD (A1 and A2) DC; PNP M12 Connector
Fail-safe inductive sensor GG711S
GG711S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 70.5 mm 1...8 mm 2 x OSSD (A1 and A2) DC; PNP  M12 Connector
Fail-safe inductive sensor GG712S
GG712S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 70 mm 1...5 mm 2 x OSSD (A1 and A2) DC; PNP M12 Connector
Dimensions Enable zone
Output function
Output Connection
M30 x 1.5 / L = 80 mm 6...12 mm
2 x OSSD (A1 and A2)
DC; PNP M12 Connector
Fail-safe inductive sensor GM705S
GM705S
Dimensions Enable zone Output function Output Connection
40 x 40 x 66 mm 4...20 mm 2 x OSSD (A1 and A2) DC; PNP M12 Connector
Fail-safe inductive sensor GI505S
GI505S
Dimensions Enable zone Output function Output Connection
M30 x 1.5 / L = 80 mm  6...12 mm Clock signal  DC M12 Connector
Fail-safe inductive sensor GI711S
GI711S
Dimensions Enable zone Output function Output Connection
M30 x 1.5 / L = 70 mm 1...15 mm  2 x OSSD (A1 and A2)  DC; PNP  M12 Connector
Fail-safe inductive sensor GI712S
GI712S 
Dimensions Enable zone Output function Output Connection
 M30 x 1.5 / L = 70 mm 1...10 mm 2 x OSSD (A1 and A2) DC; PNP M12 Connector
Fail-safe inductive sensor GM701S
GM701S
Dimensions Enable zone Output function Output Connection
40 x 40 x 66 mm 10...15 mm 2 x OSSD (A1 and A2) DC; PNP  M12 Connector
Fail-safe inductive sensor GG507S
GG507S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 90.5 mm 1...4 mm Clock signal DC M12 Connector 
Fail-safe inductive sensor GG851S
GG851S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 86.5 mm > 10 mm 2 x OSSD (A1 and A2) DC; PNP M12 Connector
Fail-safe inductive sensor GM504S
GM504S
Dimensions Enable zone Output function Output Connection
40 x 40 x 66 mm 10...15 mm Clock signal DC M12 Connector 
Fail-safe inductive sensor GM505S
GM505S
Dimensions Enable zone Output function Output Connection
40 x 40 x 66 mm  10...20 mm  Clock signal  DC  M12 Connector
Fail-safe inductive sensor GG505S
GG505S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 90 mm 3...6 mm  Clock signal DC  M12 Connector 
Fail-safe inductive sensor GF854S
GF854S
Dimensions Enable zone Output function Output Connection
M12 x 1 / L = 60 mm > 6 mm 2 x OSSD (A1 and A2) DC; PNP M12 Connector
Fail-safe inductive sensor GG854S
GG854S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 60 mm  > 11.5 mm  2 x OSSD (A1 and A2) DC; PNP M12 Connector 
Fail-safe inductive sensor GG855S
GG855S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 60 mm > 7.5 mm 2 x OSSD (A1 and A2)  DC; PNP M12 Connector
Fail-safe inductive sensor GI854S
GI854S
Dimensions Enable zone Output function Output Connection
M30 x 1.5 / L = 65 mm > 21.5 mm  2 x OSSD (A1 and A2) DC; PNP M12 Connector
Fail-safe inductive sensor GI855S
GI855S
Dimensions Enable zone Output function Output Connection
M30 x 1.5 / L = 65 mm > 14.5 mm 2 x OSSD (A1 and A2)  DC; PNP M12 Connector
Fail-safe inductive sensor GG714S
GG714S
Dimensions Enable zone Output function Output Connection
M18 x 1 / L = 71.5 mm 0...6.5 mm  2 x OSSD (A1 and A2)  DC; PNP M12 Connector
Dimensions Enable zone Output Connection
M30 x 1.5 / L = 80 mm Enable zone
6...12 mm
Clock signal
DC M12 Connector

Fail-safe inductive sensors

Safety technology in automation has a share of the responsibility for safe human-machine interaction. Fail-safe sensors with safety functions are an important part of a safety system for persons and machines. The operating principle and thus the advantages of inductive sensors can also be used for safety applications. Direct detection of metal solves many applications. Magnetic or mechanical counterparts do not have to be considered in the design. A wear-free function due to the non-contact principle and a high protection rating guarantee high uptime of the machines and installations.

No special demands such as shielding, twisted cables or laying separately, are made on the socket. The sensor is directly connected to existing PLCs or logic modules using common existing unshielded 4-pole cables. The input and output signals of the sensors correspond to DIN EN 61131-2. They are therefore fully compatible with the inputs and outputs of a PLC. Connection to ifm evaluation relays, AS-i Safety at Work, PROFIsafe, Interbus Safety bus systems or safe PLCs and logic modules is equally simple. For the unit family with dynamic pulse detection the corresponding software modules are required. The fail-safe sensors with 2 x PNP output can be connected to approved two-channel safety relays without cross-monitoring that are suitable for plus-switching non-contact guards. The evaluation units from ifm electronic enable functionalities such as muting or connection of e-stop devices to DIN EN 60947-5-1 without extra cost.

A magnet or coded target is not necessary for the function of the fail-safe sensor. The fail-safe inductive sensor detects metals and operates with an enable zone which is monitored for target position and dwell time.

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