Setup
Connections
maxon motor control
EPOS4 Positioning Controller
Document ID: rel6852
3-27
EPOS4 50/5 Hardware Reference
Edition: May 2017
© 2017 maxon motor. Subject to change without prior notice.
Figure 3-13
Encoder input circuit Ch A “single-ended” (analogously valid for Ch B & Ch I)
Encoder (single-ended)
Sensor supply voltage (V
Sensor
)
+5 VDC
Max. encoder supply current
70 mA
Input voltage
0…5 VDC
Max. input voltage
±12 VDC
Logic 0
<1.0 V
Logic 1
>2.4 V
Input high current
I
IH
= typ420
μ
A @ 5 V
Input low current
I
IL
= typically
−
170
μ
A @ 0 V
Max. input frequency
Push-pull
Open collector
6.25 MHz
40 kHz (internal pull-up only)
150 kHz (additional external 3k3
pull-up)
