Chapter 7: I/O Wiring
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Chapter 7
I/O WIRING
7.1 General
DSPpro controllers have I/O lines divided into two groups: Dedicated I/O and User I/O. There
are six Dedicated I/O signals for each axis of the controller -- four inputs and two outputs:
Inputs
Positive Limit Switch
Negative Limit Switch
Home
Sensor
Amplifier
Fault
Outputs
In Position
Amplifier
Enable
The DSPpro-VME controllers support 24 or 44 bits of general purpose I/O for user-defined
functions. The DSPpro-Serial controller supports 24 bits of optically isolated general purpose
I/O. These signals can be configured as inputs or outputs in groups of 8.
On DSPpro-VME controllers, the unused Dedicated I/O for axes 4-7 is available for use as User
I/O, except for the Home Sensor Inputs.
7.2 I/O Wiring - DSPpro-VME
Connectors P1, P2, and P3 contain all user and dedicated I/O lines. These connectors are located
at the far left-hand side of the controller, as shown in Figure 7-1. Each connector is divided into
three sections -- A, B, and C -- as illustrated in Figures 7-1 and 7-2.
P1
P2
P3
Console
COM
C
B
A
Motor Axes 4-5
Motor Axes 0-1
P4 P6
P1
P2 P3
P5 P7
P8
Motor Axes 2-3
Motor Axes 6-7
Dedicated I/O Axes 4-7
Dedicated I/O Axes 0-3
or User I/O (1-4 axis boards)
User I/O
Analog Inputs(8)
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