
PMAC2A PC104 Hardware Reference Manual
J3 (JMACH1): Machine Port Connector
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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 |
| |
34 | AENA2/ | Output | Amplifier |
|
35 | FAULT1/ | Input | Amplifier | 6 |
36 | FAULT2/ | Input | Amplifier | 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 |
50 | Base Board Connector Pinouts |