Setup
Connection Specifications
maxon motor control
3-46
Document ID: rel8003
EPOS4 Positioning Controller
Edition: May 2018
EPOS4 Module/Compact 50/5 Hardware Reference
© 2018 maxon motor. Subject to change without prior notice.
Figure 3-27
Digital incremental encoder input circuit Ch A “single-ended” (analogously valid for Ch B)
Continued on next page.
Digital incremental encoder (single-ended)
Auxiliary output voltage (V
Aux
)
+5 VDC
Max. auxiliary supply current
150 mA
Input voltage
0…5 VDC
Max. input voltage
±12 VDC
Logic 0
<1.0 V
Logic 1
>2.4 V
Input high current
typically 210
μ
A @ +5 VDC (channel A, B)
typically 60
μ
A @ +5 VDC (channel I)
Input low current
typically −80
μ
A @ 0 VDC (channel A, B)
typically −7
μ
A @ 0 VDC (channel I)
Max. input frequency
Push-pull
Open collector
6.25 MHz
100 kHz (additional external 3k3
pull-up)