Measurement Computing USB-QUAD08 - Manual (Page 35)

USB-QUAD08 User's Guide Specifications
35
37-pin connectors
J12
Table 13. Differential mode pinout
Pin Signal name Pin description Pin Signal name Pin description
1 0PHA – Counter 0 Phase A low 20 0PHA+ Counter 0 Phase A high
2 ENC+ Encoder power output 21 0PHB+ Counter 0 Phase B high
3 0PHB – Counter 0 Phase B low 22 GND Ground
4 ENC+ Encoder power output 23 0INDX+ Counter 0 Index high
5 0INDX – Counter 0 Index low 24 2INDX – Counter 2 Index low
6 NC No connection 25 2PHA+ Counter 2 Phase A high
7 2PHA – Counter 2 Phase A low 26 2PHB+ Counter 2 Phase B high
8 ENC+ Encoder power output 27 GND Ground
9 2PHB – Counter 2 Phase B low 28 2INDX+ Counter 2 Index high
10 ENC+ Encoder power output 29 3INDX – Counter 3 Index low
11 3PHA – Counter 3 Phase A low 30 3PHA+ Counter 3 Phase A high
12 ENC+ Encoder power output 31 3PHB+ Counter 3 Phase B high
13 3PHB – Counter 3 Phase B low 32 GND Ground
14 ENC+ Encoder power output 33 3INDX+ Counter 3 Index high
15 1PHA – Counter 1 Phase A low 34 1PHA+ Counter 1 Phase A high
16 ENC+ Encoder power output 35 1PHB+ Counter 1 Phase B high
17 1PHB – Counter 1 Phase B low 36 GND Ground
18 ENC+ Encoder power output 37 1INDX+ Counter 1 Index high
19 1INDX – Counter 1 Index low
Table 14. Single-ended mode pinout
Pin Signal name Pin description Pin Signal name Pin description
1 0PHA – Floating (Note 11) 20 0PHA+ Counter 0 Phase A
2 ENC+ Encoder power output 21 0PHB+ Counter 0 Phase B
3 0PHB – Floating (Note 11) 22 GND Ground
4 ENC+ Encoder power output 23 0INDX+ Counter 0 Index
5 0INDX – Floating (Note 11) 24 2INDX – Floating (Note 11)
6 NC No connection 25 2PHA+ Counter 2 Phase A
7 2PHA – Floating (Note 11) 26 2PHB+ Counter 2 Phase B
8 ENC+ Encoder power output 27 GND Ground
9 2PHB – Floating (Note 11) 28 2INDX+ Counter 2 Index
10 ENC+ Encoder power output 29 3INDX – Floating (Note 11)
11 3PHA – Floating (Note 11) 30 3PHA+ Counter 3 Phase A
12 ENC+ Encoder power output 31 3PHB+ Counter 3 Phase B
13 3PHB – Floating (Note 11) 32 GND Ground
14 ENC+ Encoder power output 33 3INDX+ Counter 3 Index high
15 1PHA – Floating (Note 11) 34 1PHA+ Counter 1 Phase A
16 ENC+ Encoder power output 35 1PHB+ Counter 1 Phase B
17 1PHB – Floating (Note 11) 36 GND Ground
18 ENC+ Encoder power output 37 1INDX+ Counter 1 Index
19 1INDX – Floating (Note 11)
Note 11: In single-ended mode, the PhaseA, PhaseB and Index (–) inputs at the user connector are left
floating. The (–) inputs of the differential receiver are routed to +3 V reference.