Cognex In-Sight D900 Série Mode D'emploi page 11

3. Place the adapter on the faceplate of the vision system. Insert the four
adapter screws and tighten. The maximum torque is 0.90 Nm (8 in-lb).
4. Thread the lens into the vision system.
5. Attach the cover to the vision system. Rotate the cover clockwise
approximately seven degrees to lock it.
Install the C-Mount Lens and Cover (COV-
7000-CMNT-LG)
Complete the following steps to install a C-Mount lens and cover to the vision system.
The C-Mount cover is an optional accessory and required for IP67 protection.
Note:
When using a C-Mount lens, the following restrictions apply:
l
If using the COV-7000-CMNT-LG cover, the maximum lens length is
l
77mm, the maximum lens body diameter is 55mm and the maximum
diameter including locking screws is 55mm.
Maximum thread length is 5.25mm.
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The C-Mount lens threads and body cannot protrude more
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than 6.5mm in length into the vision system when screwed in
unless the diameter of the back lens is smaller than
14.75mm. If the C-Mount lens threads and body protrude
more than 6.5mm, you can add a spacer between the lens
and vision system. However, the spacer decreases the
working distance.
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