12
INM9491 Rev 3
4.3.1 Surface mounting – with kit SMS01
See Figures 4.1 and 4.2.
a) Select four M4 x 20mm screws.
b) Prepare holes in the surface at centres A, tapping these if retaining nuts are not required
(Figure 4.1).
c) Place a locking washer (2) and a plain washer (3) over each M4 x 20mm screw (1) (Figure
4.2).
d) Insert the screws through the backplane at each mounting centre A (Figures 4.1 and 4.2).
e) Fit M4 x 10mm spacers (5), retaining them with retaining washers (6) (Figure 4.2).
f) Attach the assemblies into the pre-drilled surface holes at centres A, retaining the screws with
a suitable nut if the holes are not tapped.
4.3.2 T- or G-section DIN-rail mounting –with kit DMK01
See Figures 4.1, 4.3, 4.4 and 4.5.
a) Select two pieces of T- or G-section DIN-rail of the appropriate length.
b) Mount the two lengths of DIN-rail side-by-side at centres A, 113mm apart (Figure 4.1).
c) Clip four mounting feet (7) to the DIN rail (8) at centres A (Figure 4.4).
d) Select the appropriate number of No. 6 x 1/2-inch screws.
e) Place a locking washer (2) and a plain washer (3) onto each No. 6 x 1/2-inch screw (1)
(Figure 4.4).
f) Insert the assemblies through the mounting holes A on the backplane (Figures 4.1 and 4.4).
g) Fit spacers (5), retaining them with the washers (6) (Figure 4.4).
h) Locate the assemblies over the mounting feet and attach the screws (1) to the feet (Figure 4.4).
i) For backplanes that are mounted in a vertical orientation, attach one end stop (11) to the
lower end of each DIN-rail supporting a column of backplanes by clipping the stops into
place and tightening the appropriate screw [(12) for T-section and (13) for G-section DIN-
rails] (Figure 4.5).
j) Additional end stops should be attached between backplanes to increase the stability of tall
columns of backplanes.
4.4 Backplanes – identification and tagging
Marked areas are provided for identifying backplanes. Mounting holes for earth-rail and tagging-strip
attachments are similarly marked.
4.4.1 Backplane identification labels
a) Attach a suitably marked label to the area marked BACKPLANE IDENT. to identify an
individual backplane.
See Figure 4.6.
4.4.2 Tagging strip mounting kit (TSK08)
See Figures 4.1, 4.9, 4.10 and 4.11.
a) Locate the tagging strip mounting posts (1) at backplane centres B (Figure 4.1).
b) Attach each mounting post (1) to the backplane with two M3 x 12mm mounting screws (2)
and washers (3) (Figure 4.7).
c) Slide the tag label (5) into the plastic holder (6) and retain with a plastic rivet (9) (Figure 4.7).
d) Attach the plastic retaining tie (7) with two plastic rivets (8) (Figure 4.7).
e) Clip the tag strip holder (6) onto the mounting posts (1) by pushing it downwards (Figure 4.8).
f) If required, swivel the tagging strip vertically (Figure 4.9)
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