maxon motor control
4-26
Document ID: rel4270
EPOS2 Positioning Controller
Edition: December 2013
EPOS2 70/10 Hardware Reference
© 2013 maxon motor. Subject to change without prior notice.
4.6.2
Digital Inputs 4, 5 and 6
By default, the optically isolated digital inputs are defined as follows and may be configured via software.
•
Digital Input 4 “Home Switch”
•
Digital Input 5 “Positive Limit Switch”
•
Digital Input 6 “Negative Limit Switch”
Figure 4-16
DigIN4…6 Logic Level
Figure 4-17
DigIN4…6 Circuit
DigIN4 “Home Switch”
DigIN5 “Positive Limit Switch”
DigIN6 “Negative Limit Switch”
IN_COM2 (common signal)
Connector [J5] Pin [5]
Connector [J5] Pin [4]
Connector [J5] Pin [3]
Connector [J5] Pin [1]
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
