maxon motor control
EPOS2 Positioning Controller
Document ID: rel4270
4-25
EPOS2 70/10 Hardware Reference
Edition: December 2013
© 2013 maxon motor. Subject to change without prior notice.
4.6.1
Digital Inputs 1, 2 and 3
By default, the optically isolated digital inputs are defined as “General Purpose” and may be configured
via software.
Figure 4-14
DigIN1…3 Logic Level
Figure 4-15
DigIN1…3 Circuit
DigIN1 “General Purpose”
DigIN2 “General Purpose”
DigIN3 “General Purpose”
IN_COM1 (common signal)
Connector [J5] Pin [8]
Connector [J5] Pin [7]
Connector [J5] Pin [6]
Connector [J5] Pin [2]
Type of input
Optically isolated, singe-ended, bipolar
Input voltage
±24 VDC
Max. input voltage
±30 VDC
Logic 0
| I
in
| <1 mA / | U
in
| <5 VDC
Logic 1
| I
in
| >3 mA / | U
in
| >9 VDC
Input resistance
typically 1.8 k
Ω
@ 24 VDC
Input current at logic 1
typically 13.2 mA @ 24 VDC
Switching delay
<300 µs @ 24 VDC
