National Instruments Fieldpoint CFP-2220 - Manual (Page 3)

© 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.