Справочник Пользователя для National Instruments CFP-2220

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© National Instruments Corporation
3
 cFP-2200/2210/2220
has the following symbol stamped beside it: 
. Connect the backplane PE 
ground terminal to safety ground using 14 AWG (1.6 mm) wire with a ring 
lug. Use the 5/16 in. panhead screw shipped with the backplane to secure 
the ring lug to the backplane PE ground terminal. 
To ensure maximum cooling efficiency, mount the Compact FieldPoint so 
that the I/O module vents are at the top and bottom, as shown in the 
following figure:
Figure 2.  cFP-22xx Installed on cFP-BP-4 Mounted Upright
Caution
Your installation must meet the following requirements for space and cabling 
clearance:
Allow at least 51 mm (2 in.) all around the backplane for air circulation.
Allow 38 mm (1.5 in.) below and 51 mm (2 in.) above the controller.