© ElectroCraft 2018
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CPP-A12V80A-SA-USB Technical Reference
7
Connecting Motor Feedback Devices
7.1 Hall Sensors
7.1.1 Hall Sensor Connections
Hall 2
Hall 3
+5V
Drive
Ground
J3
Hall 1
Brushless
Motor
Ha
ll S
en
so
rs
Figure 14: Hall sensor connection to the drive
7.1.2 Hall Sensor Signal Input Circuit
The Hall sensor inputs are limited to +5V logic levels. Use the drive su5V to supply power to the
motor’s hall sensors.
+5V
+5V
Hall
Signal
Input
1
KΩ
4700pF
2.2
KΩ
Figure 15: Hall sensor signal input circuit
7.2 Incremental Encoder
7.2.1 Differential Encoder
Drive
J4
Use twisted wire
pairs for + and –
signal pairs of A, B
and Z
B-
B+
Z+
Z-
A-
A+
Motor
Enc
ode
r
+5V
GND
Figure 16: Differential encoder connection to the drive