PMAC-Lite Hardware Reference
40
Connector
Pinouts
J8 (JEQU): Position-Compare Connector
J8 JEQU (10-Pin Connector)
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
AENA1/
Output
Amp. Enable 1
Low is True
6
AENA2/
Output
Amp. Enable 2
Low is True
7
AENA3/
Output
Amp. Enable 3
Low is True
8
AENA4/
Output
Amp. Enable 4
Low is True
9
A+V
Supply
Power Supply
+5V to +24V
10 AGND Common Analog
Ground
This connector provides the position-compare outputs and the amplifier enable outputs for the four servo
interface channels. The board is shipped by default with a ULN2803A or equivalent open-collector driver
IC. It may be replaced with UDN2891A or equivalent open-emitter driver (E101 and E102 must be
changed; see
E-Point Descriptions
for details), or a 74ACT563 or equivalent 5V CMOS driver.
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