J3 (jmach1): machine port connector – Delta Tau PMAC2A-PC/104 User Manual
Page 56
PMAC2A PC104 Hardware Reference Manual
Base Board Connector Pinouts
50
J3 (JMACH1): Machine Port Connector
(50-Pin Header)
Top View
Pin# Symbol Function
Description
Notes
1
+5V
Output
+5V Power
For encoders, 1
2
+5V
Output
+5V Power
For encoders, 1
3
GND
Common
Digital Common
4
GND
Common
Digital Common
5
CHA1
Input
Encoder A Channel Positive
2
6
CHA2
Input
Encoder A Channel Positive
2
7
CHA1/
Input
Encoder A Channel Negative
2,3
8
CHA2/
Input
Encoder A Channel Negative
2,3
9
CHB1
Input
Encoder B Channel Positive
2
10
CHB2
Input
Encoder B Channel Positive
2
11
CHB1/
Input
Encoder B Channel Negative
2,3
12
CHB2/
Input
Encoder B Channel Negative
2,3
13
CHC1
Input
Encoder C Channel Positive
2
14
CHC2
Input
Encoder C Channel Positive
2
15
CHC1/
Input
Encoder C Channel Negative
2,3
16
CHC2/
Input
Encoder C Channel Negative
2,3
17
CHA3
Input
Encoder A Channel Positive
2
18
CHA4
Input
Encoder A Channel Positive
2
19
CHA3/
Input
Encoder A Channel Negative
2,3
20
CHA4/
Input
Encoder A Channel Negative
2,3
21
CHB3
Input
Encoder B Channel Positive
2
22
CHB4
Input
Encoder B Channel Positive
2
23
CHB3/
Input
Encoder B Channel Negative
2,3
24
CHB4/
Input
Encoder B Channel Negative
2,3
25
CHC3
Input
Encoder C Channel Positive
2
26
CHC4
Input
Encoder C Channel Positive
2
27
CHC3/
Input
Encoder C Channel Negative
2,3
28
CHC4/
Input
Encoder C Channel Negative
2,3
29
DAC1
Output
Analog Output Positive 1
4
30
DAC2
Output
Analog Output Positive 2
4
31
DAC1/
Output
Analog Output Negative 1
4,5
32
DAC2/
Output
Analog Output Negative 2
4,5
33
AENA1/
Output
Amplifier-Enable 1
34
AENA2/
Output
Amplifier -Enable 2
35
FAULT1/
Input
Amplifier -Fault 1
6
36
FAULT2/
Input
Amplifier -Fault 2
6
37
DAC3
Output
Analog Output Positive 3
4
38
DAC4
Output
Analog Output Positive 4
4
39
DAC3/
Output
Analog Output Negative 3
4,5