3a.8 using test points – Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 115

Section 3A
Primary 9/230 Components
3A-32
Test points are small metallic pins on the processor module circuit board.
Hardware troubleshooting and testing for proper wiring can begin by
testing for proper voltage or signals at these pins. Test points are labeled
with the letters TP followed by a number. Use Figure 3A.22 to find the
location and function of each test point on the 9/230 Analog CNC. Use
Figure 3A.23 to find the location and function of each test point on the
9/230 Digital CNC.
Figure 3A.22
Test Points on the 9/230 Analog
Test Point Analog DAC reference
TP11
Analog Ground
Test Point Encoder Feedback Reference Voltage
TP10
Digital Ground
Test Point Encoder Feedback Signals
TP25
A Channel connector J1
TP24
B Channel connector J1
TP23
Z Channel connector J1
TP22
Analog out J1
TP21
A Channel connector J2
TP20
B Channel connector J2
TP19
Z Channel connector J2
TP18
Analog out J2
TP17
A Channel connector J3
TP16
B Channel connector J3
TP15
Z Channel connector J3
TP14
Analog out J3
TP13
Analog Out TB3
3A.8
Using Test Points
TP10
TP11
TP13
TP15
TP14 TP16
TP17
TP18 TP20
TP19 TP21
TP22 TP24
TP23 TP25
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