Hardware Reference Manual
44
Connector Pinouts
J3 JMACH1 (50-Pin-Header)
(Continued)
Top View
Pin# Symbol Function
Description
Notes
40
DAC8/
Output
Analog Out Negative 8
4,5
41 AENA7/ Output
Amplifier-Enable
7
42
AENA8/
Output
Amplifier -Enable 8
43
FAULT7/
Input
Amplifier -Fault 7
6
44
FAULT8/
Input
Amplifier -Fault 8
6
45
ADCIN_1
Input
Analog Input 1
Option-2 required
46
ADCIN_2
Input
Analog Input 2
Option-2 required
47
FLT_FLG_V
Input
Amplifier Fault pull-up V+
48 GND Input
Analog
Common
49
A+15V
Input
DACs +15V Supply
50
A-15V
Input
DACs -15V Supply
The J3 connector is used to connect PMAC to the second 4 channels (Channels 5, 6, 7, and 8) of servo amps and
encoders.
Note 1
: In standalone applications, these lines can be used as +5V power supply inputs to power PMAC’s
digital circuitry.
Note 2
: Referenced to digital common (GND). Maximum of ±12V permitted between this signal and its
complement.
Note 3
: Leave this input floating if not used (i.e. digital single-ended encoders).
Note 4
: ±10V, 10 mA max, referenced to common ground (GND).
Note 5
: Leave floating if not used; do not tie to GND.
Note 6
: Functional polarity controlled by variable Ix25. Must be conducting to 0V (usually GND) to produce a
0 in PMAC software. Automatic fault function can be disabled with Ix25.
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