Service Instructions
Service Instructions
Service Instructions
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<strong>Service</strong> <strong>Instructions</strong> BZFM Stromag DessauIP 54safety in motionElectromagnetic Double - Face Spring-Applied Brake 12.12.2006Manual emergency release shall not be used to maintain temporary operation! The wearof the friction lining has to be re-adjusted timely according as per identification plate and technicaldata sheet, otherwise the braking effect will be cancelled by the screw or bolt (41) of the manualrelease.3.4. Use of microswitches to monitor switching stages (optionally)If the switching condition of the brake should be controlled a microswitch is used according fig.3. Themicroswitch prevents the motor by an additional locking switch from starting before the brake hasbeen released.03170204Airgap offLuftspalt aus1618010601 coil body02 armature disc03 N-side end plate04 friction lining carrier05 coil16 micro switch17 distance bolt18 hexagon nutFigure 3When the armature disc (02) is moved against the coil body (01) as a result of the electro-magneticforce of the coil (06) or the actuation of the mechanical emergency release device, (chap. 3.3.), it willoperate a microswitch (16) via the distance bolt (17). Its switchpoint is located at the half of the "offmin" airgap (chap 2.1).The microswitch may be included in the control circuit of the motor contactor as a normally open ornormally closed contact.9