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Chapter 4
Accessory and Cable Connections
NI 951x User Manual
When connecting only the MDR connector to the terminal block, all DSUB
signals on the terminal block are no connects (NC). The following figure
shows the 37-pin terminal block pinout when connecting only the MDR
connector.
Forward Limit
Home
Digital Input 0
Encoder 0 Index+
Encoder 0 Index–
+5V OUT
Position Compare
Reserved
Reserved
Shield
Figure 4-2. NI 9512 37-Pin Terminal Block MDR-Only Pin Assignments
COM
COM
COM
NC
NC
NC
NC
NC
NC
4-4
NC
Reverse Limit
Reserved
V
sup
Reserved
COM
Encoder 0 Phase A+
Encoder 0 Phase A–
Encoder 0 Phase B+
Position Capture
Encoder 0 Phase B–
Reserved
Reserved
NC
NC
NC
NC
NC
NC
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