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Chapter 7: I/O Wiring
7.3 I/O Wiring - DSPpro-Serial
All connections for I/O on the DSPpro-Serial are optically isolated to provide electrical isolation
between the controller and the equipment to which it is connected.
7.3.1 Dedicated I/O Wiring
The connections for dedicated I/O on the DSPpro-Serial are located on the same 50-pin DB-50
connectors which contain the motor signal pinouts. There are two axes of dedicated I/O pinouts
on each connector, just as there are two axes of motor signal pinouts on each connector. The
pinouts for dedicated I/O for each connector are shown below:
Pin Signal
Axis Pin Signal
Axis
15 Amp
Enable 1
st
40
Amp
Enable 2
nd
16 In
Position
1
st
41
In
Position 2
nd
17 Amp
Fault
1
st
42
Amp
Fault 2
nd
18 Home
1
st
43
Home
2
nd
19 Positive
Limit 1
st
44
Positive
Limit
2
nd
20 Negative
Limit 1
st
45
Negative
Limit
2
nd
21 +V
User
1
st
46
GND
User 2
nd
All +V User pins are tied together. All GND User pins are tied together.
7.3.2 User I/O Wiring
The connections for user I/O on the DSPpro-Serial are located on the 50-pin DB-50 connector
labeled “I/O” as shown in figure 7-3. This connector also contains the pinouts for the analog
inputs, as described in section 7.7.2.
D S P p ro -S e ria l
2 4 V D C
P 5
U s e r I/O a n d
A n a lo g In p u ts (8 )
C o n s o le C O M
S T C -D 5 0
C B L -D 5 0
Figure 7-3. User I/O and Analog Inputs Connector- DSPpro-Serial
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