XPS-D Controller
Start-Up Manual
8.0
Appendix D: PCO Connector
8.1
Description
This chapter briefly describes the PCO (Position Compare Output) feature of the XPS.
There are two versions of PCO for the XPS, namely Basic PCO and Extended PCO.
The Extended PCO differs from the Basic PCO in that error mapping can be used to
compensate position. Refer to each respective subsection below for a more detail
description of each PCO type.
PCO
NOTE
Mating connector: LEMO FGG0B306CLAD52 (or 42).
PCO
Pin #
Function
1
+5 V (fused: max 63 mA)
2
Axis 1/5 PCO Pulse/QuadA
3
Axis 1/5 PCO Enable/QuadB
4
Axis 2/6 PCO Pulse/QuadA
5
Axis 2/6 PCO Enable/QuadB
6
GND
Figure 30: PCO (Position Compare Output) connector.
Time Spaced
Pulses
Distance
Spaced Pulses
AquadB
Minimum pulse
width
35 ns
35 ns
–
Minimum pulse
frequency
0.05 Hz
Maximum pulse
frequency
20 MHz
1.6 MHz
(5 MHz for less
than 4096
pulses)
Interpolation
–
x256
AquadB encoder: x4
AnalogInterpolated
encoder: x4, x256,
x4096
Accuracy
5 ns
5 ns
5 ns
Position Window
capability
YES
YES
Figure 31: Basic position compare output.
43
EDH0395En1031 – 09/18
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