Measurement Computing StrainBook/616 - Manual (Page 85)

Installing a CN-115-1
CAUTION
Remove the StrainBook from power and disconnect the unit from the host PC and
from all externally connected equipment prior to connecting cables, signal lines,
and/or removing the cover to install or remove components. Electric shock or
damage to equipment can result even under low-voltage conditions.
Take ESD precautions (packaging, proper handling, grounded wrist strap, etc.)
Use care to avoid touching board surfaces and onboard components. Only handle
boards by their edges (or ORBs, if applicable). Ensure boards do not come into
contact with foreign elements such as oils, water, and industrial particulate.
Be careful to avoid component damage while the StrainBook is open. Always remove
bridge completion headers (CN-115) from the unit before soldering resistors in the
headers.
Be careful to avoid bending the pins and ensure that the card is correctly oriented.
Note that the associated channel’s two jumpers (located on the StrainBook board)
must be removed prior to installing the card.
You can easily install a CN-115-1 as follows:
Note: If you need to add or remove resistors to the CN-115-1 option, do so prior to the installing the
card.
1. Review the preceding CAUTIONS.
2. Remove the StrainBook [or WBK16] from power and disconnect the unit from all external
devices and signals.
3. Observe proper ESD precautions.
4. Remove the cover from the StrainBook [or WBK16].
5. Locate the CN-115 channel header(s) in which the option is to be installed.
6. If the header socket is occupied, remove the CN-115, WBK16/LC, or previous CN-115-1 to
expose the header socket.
7. Remove one shunt jumper from each of the two 3-pin headers. The 3-pin headers are located
at the edge of the CN-115 16-pin header sockets (see figure).
Note: For each channel the jumper headers are labeled in sets of two: JP101/JP102 for
channel 1, through JP801/JP802 for channel 8. The first digit after “JP” signifies the
associated channel number.
8. Carefully plug the card into the header socket.
9. Re-install the cover to the StrainBook [or WBK16].
CN-115 Headers for Channels 1 and 2
Channel 1 has jumpers removed and has a CN-115-1
installed. Channel 2 still has jumpers. These would have to
be removed if a CN-115-1 was to be installed.
Jumpers Removed for CN-115 Plug-in
For each channel that is to have a
CN-115-1 installed, jumpers must be
removed as indicated above. Each
channel has a jumper header next to the
edge of its CN-115 header.
StrainBook/616 User’s Manual 929494 Bridge Configurations 6-21