User manual
Table Of Contents
Manual VN1600 Interface Family
© Vector Informatik GmbH Version 2.0 - 34 -
2.8.7 Replacing Piggybacks
Warning: When performing this operation be sure not to touch the top or bottom of
the boards (VN1640 main board or Piggybacks) to avoid damages due to electrical
discharges.
1. First, loosen the VN1640 housing screws on the side with the four D-SUB9
connectors. This requires removing the two black decorative caps. Then carefully
pull the PC-board out of the housing.
Figure 32: Opening the housing.
2. The plug-in locations are defined as follows:
Figure 33: Piggyback plug-in locations CH1…CH4.
Piggy 3
(CH3)
Piggy 1
(CH1)
Piggy 4
(CH4)
Piggy 2
(CH2)