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Deva037 USB Encoder Interface User’s Manual
USB Incremental Encoder Interface Hardware
4
USB Incremental Encoder Interface Hardware
4.1
Connection details
The layout of the Deva037 is shown in Figure 4.1.
Figure 4.1 Deva037 Connectors
4.1.1
Encoder input connections
Connections to the encoder input sockets should be made via a 15-way female HD-type
connector with reference to the following pin-out table and simplified input circuit.
Pin Number Signal
Function
1
Ai
A phase input
2
Bi
B phase input
3
Zi
Zero input
4
Mi
Marker input
5
nLim0
nLimit 0
6
nAi
nA phase input
7
nBi
nB phase input
8
nZi
nZero input
9
nMi
NMarker input
10
nLim1
nLimit 1
11
+12V
+12 volts supply
12
+5V
+5 volts supply
13
0V
0 volt common
14
Not used
15
Not used
Caution: Do not connect the 15-way D-type plug of a VGA monitor into any one of the encoder
input channels, as damage may result.
Power input and switch
USB
X
Enc.
Y
Enc.
Z
Enc. Probe Optical