User's Manual
PMAC VME Hardware Reference Manual
18 Connectors
J10/JMACH2 (100-Pin Header)
1
2
99
1
00
Front View
Pin# Symbol Function Description Notes
40 PWMBTOP3-
DAC_STB3-
Output Phase B Top CMD or DAC
Strobe
41 PWMBBOT3+
DAC3B+
Output Phase B Bottom CMD or DAC B
Serial Data
Programmable function control
42 PWMBBOT3-
DAC3B-
Output Phase B Bottom CMD or DAC B
Serial Data
43 PWMCTOP3+
DIR3+
Output Phase B Top CMD or PFM
Direction
Programmable function control
44 PWMCTOP3-
DIR3-
Output Phase B Top CMD or PFM
Direction
45 PWMCBOT3+
PULSE3+
Output Phase B Bottom CMD or PFM
Pulse
Programmable function control
46 PWMCBOT3-
PULSE3-
Output Phase B Bottom CMD or PFM
Pulse
47 GND Common Reference Voltage
48 GND Common Reference Voltage
49 +5V Output / Input +5V Power For external circuit or from
external supply
50 +5V Output / Input +5V Power
51 +5V Output / Input +5V Power For external circuit or from
external supply
52 +5V Output / Input +5V Power
53 GND Common Reference Voltage
54 GND Common Reference Voltage
55 CHA4+ Input Enc 4 Pos. A Chan. Also pulse input
56 CHA4- Input Enc 4 Neg. A Chan.
57 CHB4+ Input Enc 4 Pos. B Chan. Also direction input
58 CHB4- Input Enc 4 Neg. B Chan.
59 CHC4+ Input Enc 4 Pos. C Chan. Index channel
60 CHC4- Input Enc 4 Neg. C Chan.
61 CHU4 Input Chan 4 U Flag Hall effect, fault code, or sub-
count
62 CHV4 Input Chan 4 V Flag Hall effect, fault code, or sub-
count
63 CHW4 Input Chan 4 W Flag Hall effect, fault code, or sub-
count
64 CHT4 Input Chan 4 T Flag Fault code, or sub-count
65 USER4 Input General Purpose User Flag Hardware capture flag, or sub-
count
66 PLIM4 Input Positive Overtravel Limit Hardware capture flag
67 MLIM4 Input Negative Overtravel Limit Hardware capture flag
68 HOME4 Input Home Switch Input Hardware capture flag
69 ACCFLT4 Input Accessory Fault Flag For loss of ACC supply voltage
70 WD0/ Output Watchdog Output Low is PMAC watchdog fault
71 SCLK34+ Input / Output Encoder Sample Clock Direction controlled by PMAC2
jumper
72 SCLK34- Input / Output Encoder Sample Clock
73 ADC_CLK4+ Output A/D Converter Clock Programmable frequency
74 ADC_CLK4- Output A/D Converter Clock
75 ADC_STB4+ Output A/D Converter Strobe Programmable sequence