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Chapter 2 – EXPAXIS – 13 –
XP1A and XP1B Connector
The XP1A connector provides access to encoders ENC10, ENC11, ENC12,
and ENC13, which use jumpers J1, J2, J3, and J4 respectively.
The XP1B connector provides access to encoders ENC14, ENC15, ENC16,
and ENC17, which use jumpers J6, J7, J8, and J9 respectively.
XP1A and XP1B are 34-pin shrouded male headers.
Figure 4 XP1A and XP1B ENCODER connector diagram
XP1A Pinout XP1B Pinout
Signal Pin Pin Signal Signal Pin Pin Signal
CHA10 1 2 CHA10' CHA14 1 2 CHA14'
CHB10 3 4 CHB10' CHB14 3 4 CHB14'
MRK10 5 6 MRK10' MRK14 5 6 MRK14'
+5 VDC (100
mA, max)
7 8 GND +5 VDC (100
mA, max)
7 8 GND
CHA11 9 10 CHA11' CHA15 9 10 CHA15'
CHB11 11 12 CHB11' CHB15 11 12 CHB15'
MRK11 13 14 MRK11' MRK15 13 14 MRK15'
+5 VDC (100
mA, max)
15 16 GND +5 VDC (100
mA, max)
15 16 GND
CHA12 17 18 CHA12' CHA16 17 18 CHA16'
CHB12 19 20 CHB12' CHB16 19 20 CHB16'
MRK12 21 22 MRK12' MRK16 21 22 MRK16'
+5 VDC (100
mA, max)
23 24 GND +5 VDC (100
mA, max)
23 24 GND
CHA13 25 26 CHA13' CHA17 25 26 CHA17'
CHB13 27 28 CHB13' CHB17 27 28 CHB17'
MRK13 29 30 MRK13' MRK17 29 30 MRK17'
+5 VDC (100
mA, max)
31 32 GND +5 VDC (100
mA, max)
31 32 GND
n/c 33 34 n/c n/c 33 34 n/c
Note: 100 mA maximum, per encoder. Note: 100 mA maximum, per encoder.
Table 8 EXPAXIS Encoder Input Connectors XP1A and XP1B