Eaton 9372-FB-P Series Instruction Manual

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Eaton 9372-FB-P Series Instruction Manual Manual pdf 16 page image

INM 9370-RD Rev 5144.6.2 Fitting FS32 Spur Surge modulesSpur Surge modules are pluggable units that integrate easily with the standardpluggable connector and which direct excessive spur surge currents to the protectivelocal ground.Figure 4.7 - FS32 Spur Surge module on carrierTo fit an FS32:1. Unscrew the two captive screws securing the standard pluggable connector(supplied on the carrier) and remove it from its socket.2. Insert the FS32 module into the now vacant socket on the carrier, tighten the twoside securing screws to a recommended torque of 0.4 Nm.3. Ensure also that the central “protective ground” screw is engaged and tightenedto a recommended torque of 0.4 Nm to provide a low impedance path for surgecurrents.4. Fit the connector (removed at Step 1 above) into the socket on the FS32 andtighten its two securing screws also to a recommended torque of 0.4 Nm.Removal of a Spur Surge module is the reverse of the fitting process. See also Section5.4.1 on page 18 for information on cable ‘adjustment’ if one of these modules istaken out of use.4.7 Blanking PlugsBlanking plugs of factory-supplied Fieldbus Barriers are lightly tightened for ease ofremoval. Any blanking plugs that are not removed from the fieldbus barrier must betightened to the required torque to meet the IP rating.Two types of blanking plug are supplied with the Fieldbus Barrier as shown in figures 4.8and 4.9 below and should be tightened to a torque rating as shown in the table below.Type A 4.8NmType B 12NmFigure 4.8 - Type A Blanking plug Figure 4.9 - Type B Blanking plug