BDD Touch Display
4
Electrical connections
14
4.6 BDD 750-4D_ _-…: incremental input A, /A, B, /B
The unit provides two pulse inputs at terminal 5, 6, 7 and 8 for HTL/RS422 signals. The
characteristics of the incremental input can be set in the
g
eneral
menu
.
Wiring of the incremental inputs:
RS422
HTL DIFFERENTIAL
HTL PNP
HTL NPN
Unconnected PNP inputs are always
low
and unconnected NPN inputs are always
high
. All
inputs are designed to receive impulses from electrical impulse sources.