Installation Procedure 2-1; Digital Input Connections 2-1 - Xycom XVME-212 Manual

XVME-212 Manual
August, 1989
Installation
2.5.1
To install a board in the card cage, perform the following steps:
Make sure the cardcage slot (which will hold the module)
1)
accessible.
Center the board on the plastic guides in the slot so that the
2)
facing to the left and the component side is facing to the right (refer to
Figure 2-3).
Push the board slowly toward the rear of the chassis, until the connector
3)
engage (the board should slide freely in the plastic guides).
Apply straightforward pressure to the handle on the panel front, until the
4)
connector is fully engaged and properly seated.
Once the board is properly seated, secure it to the chassis by tightening the
5)
two machine screws at the extreme top and bottom of the board.
2 6 . DIGITAL INPUT CONNECTIONS
The module is capable of receiving 32 separate digital inputs. The inputs are accessible
on the front edge of the board in the form of two 50-pin ribbon headers. The connectors
are labeled JKl and JK2 (see Figure 2-l). The following table shows the pin designations
for connectors JKl and JK2.
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Procedure
Never attempt to install or remove any boards before
turning off the power to the bus, and all related
external power supplies.
Prior to installing a module, determine
and verify all relevant jumper configurations, and all
connections to external devices or power supplies.
(Please check the jumper configuration against the
diagrams and lists in this manual.)
It should not be necessary to use excessive force or
pressure to engage the connectors. If the board does
not properly connect with the backplane, remove the
module and inspect all connectors and guide slots for
possible damage or obstructions.
CAUTION
NOTE
2-11
is clear and
solder side is