User's Manual

Turbo PMAC2 VME Hardware Reference
Axis Piggyback Board Connector Descriptions 35
J12 (JMACH4) Machine Connector
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Pin# Symbol Function Description Notes
39 PWMBTOP7+
DAC_STB7+
Output Phase B Top CMD or DAC
Strobe
Programmable function control
40 PWMBTOP3-
DAC_STB7-
Output Phase B Top CMD or DAC
Strobe
Programmable function control
41 PWMBBOT7+
DAC7B+
Output Phase B Bottom CMD or
DAC B Serial Data
Programmable function control
42 PWMBBOT7-
DAC7B-
Output Phase B Bottom CMD or
DAC B Serial Data
Programmable function control
43 PWMCTOP7+
DIR7+
Output Phase B Top CMD or PFM
Direction
Programmable function control
44 PWMCTOP7-
DIR7-
Output Phase B Top CMD or PFM
Direction
Programmable function control
45 PWMCBOT7+
PULSE7+
Output Phase B Bottom CMD or
PFM Pulse
Programmable function control
46 PWMCBOT7-
PULSE7-
Output Phase B Bottom CMD or
PFM Pulse
Programmable function control
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 For external circuit or from external
supply
51 +5V Output / Input +5V Power For external circuit or from external
supply
52 +5V Output / Input +5V Power For external circuit or from external
supply
53 GND Common Reference Voltage
54 GND Common Reference Voltage
55 CHA8+ Input Enc 8 Positive A Chan. Also pulse input
56 CHA8- Input Enc 8 Negative A Chan. Also pulse input
57 CHB8+ Input Enc 8 Positive B Chan. Also direction input
58 CHB8- Input Enc 8 Negative B Chan. Also direction input
59 CHC8+ Input Enc 8 Positive C Chan. Index channel
60 CHC8- Input Enc 8 Negative C Chan. Index channel
61 CHU8 Input Chan 8 U Flag Hall effect, fault code, or sub-count
62 CHV8 Input Chan 8 V Flag Hall effect, fault code, or sub-count
63 CHW8 Input Chan 8 W Flag Hall effect, fault code, or sub-count
64 CHT8 Input Chan 8 T Flag Fault code, or sub-count
65 USER8 Input General Purpose User Flag Hardware capture flag, or sub-count
66 PLIM8 Input Positive Overtravel Limit Hardware capture flag
67 MLIM8 Input Negative Overtravel Limit Hardware capture flag
68 HOME8 Input Home Switch Input Hardware capture flag
69 ACCFLT8 Input Accessory Fault Flag For loss of acc supply voltage
70 WD0/ Output Watchdog Output Low is PMAC watchdog fault
71 SCLK78+ Input / Output Encoder Sample Clock Direction controlled by PMAC2 jumper
72 SCLK78- Input / Output Encoder Sample Clock Direction controlled by PMAC2 jumper
73 ADC_CLK8+ Output A/D Converter Clock Programmable frequency
74 ADC_CLK8- Output A/D Converter Clock Programmable frequency