User's Manual

PMAC VME Hardware Reference Manual
14 Connectors
J8/JEQU (10-Pin Header)
Front View
Pin # Symbol Function Description Notes
1 EQU1/ Output Enc. 1 Comp-Eq Low is true
2 EQU2/ Output Enc. 2 Comp-Eq Low is true
3 EQU3/ Output Enc. 3 Comp-Eq Low is true
4 EQU4/ Output Enc. 4 Comp-Eq Low is true
5 EQU5/ Output Enc. 5 Comp-Eq Low is true
6 EQU6/ Output Enc. 6 Comp-Eq Low is true
7 EQU7/ Output Enc. 7 Comp-Eq Low is true
8 EQU8/ Output Enc. 8 Comp-Eq Low is true
9 +V Supply Positive Supply +5V to +24V
10 GND Common Digital Ground
This connector provides the position-compare outputs for the eight encoder channels.
J9/JMACH1 (100-Pin Header)
1
2
99
1
00
Front View
Pin# Symbol Function Description Notes
1 +5V Output / Input +5V Power For external circuit or from external
supply
2 +5V Output / Input +5V Power
3 GND Common Reference Voltage
4 GND Common Reference Voltage
5 CHA1+ Input Enc 1 Pos. A Chan. Also pulse input
6 CHA1- Input Enc 1 Neg. A Chan.
7 CHB1+ Input Enc 1 Pos. B Chan. Also direction input
8 CHB1- Input Enc 1 Neg. B Chan.
9 CHC1+ Input Enc 1 Pos. C Chan. Index channel
10 CHC1- Input Enc 1 Neg. C Chan.
11 CHU1 Input Chan 1 U Flag Hall effect, fault code, or sub-count
12 CHV1 Input Chan 1 V Flag Hall effect, fault code, or sub-count
13 CHW1 Input Chan 1 W Flag Hall effect, fault code, or sub-count
14 CHT1 Input Chan 1 T Flag Fault code, or sub-count
15 USER1 Input General Purpose User Flag Hardware capture flag, or sub-count
16 PLIM1 Input Positive Overtravel Limit Hardware capture flag
17 MLIM1 Input Negative Overtravel Limit Hardware capture flag
18 HOME1 Input Home Switch Input Hardware capture flag
19 ACCFLT1 Input Accessory Fault Flag For loss of ACC supply voltage
20 WD0/ Output Watchdog Output Low is PMAC watchdog fault
21 SCLK12+ Input/Output Encoder Sample Clock Direction controlled by PMAC2
jumper
22 SCLK12- Input/Output Encoder Sample Clock
23 ADC_CLK1+ Output A/D Converter Clock Programmable frequency
24 ADC_CLK1- Output A/D Converter Clock
25 ADC_STB1+ Output A/D Converter Strobe Programmable sequence
26 ADC_STB1- Output A/D Converter Strobe
27 ADC_DAA1+ Input Chan A Adc Serial Data MSB first
28 ADC_DAA1- Input Chan A Adc Serial Data
29 ADC_DAB1+ Input Chan B Adc Serial Data MSB first
30 ADC_DAB1- Input Chan B Adc Serial Data
31 AENA1+ Output Amplifier Enable High is enable
32 AENA1- Output Amplifier Enable Low is enable