DIS Sensors QG40N 사용자 설명서 - 페이지 3

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QG40N Tilt SIL1 PLc

User Manual DIS-sensor

Safety level

SIL safety level: SIL CL1 (claim limit 1 according to IEC 62061)

PL safety level: PLc (according to EN ISO 13849)

Architecture: HFT=0 (according to IEC 62061) & CAT2 (according to EN ISO 13849)

This is a self-certified safety device

The firmware of this device is developed according to EN ISO 13849 and meets the SRESW requirements for both 'PL a to

d' and 'PL c or d'

See separate 'Declaration of Conformity' for all safety related parameters

Tilt switch sensor explained

An inclinometer measures the angle(s) of the device with respect to earth gravity, using earth gravity vector as external

reference. The inclinometer involved is based on an accelerometer. The acceleration values are used to calculate the angle(s).

The device takes both the static component (100%) and the dynamic component (partial, depending on frequency and

bandwidth-setting) into account.

The Tilt switch sensor realises the switching behaviour for the NPN/PNP outputs based on these inclinometer angles by the

internal microcontroller.

Safety function

The safety function of the Tilt switch sensor is to generate the requested switching behaviour based on acceleration values

(caused by gravitation) measured by a MEMS acceleration sensor chip. Based on this switching behaviour the safety

controller of the application can switch the machine to safe-mode in order to prevent for a dangerous situation.

Example: a crane-arm having a maximum tilt angle w.r.t. the chassis. If the tilt angle of the crane-am exceeds a certain

critical value, it can become dangerous. To prevent for this a Tilt switch can be mounted on the crane arm, measuring angle

of the crane arm. The safety controller of the application should monitor the Tilt switch outputs and should switch the crane

to safe-mode as soon as one of the Tilt switch outputs become non-conducting. This will significantly reduce the risk of a

dangerous situation to happen.

Hardware setup

Connection:

Default:

5-pins M12 connector male (A-coding). See datasheets for details

Optional:

Cable with open ended wires. See datasheets for details

EMC / CE

See separate 'Declaration of Conformity'

V1.2

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