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EPOS Positioning Controller EPOS 70/10 Hardware Reference
7.6.2 Digital input 4, 5, 6 "Home Switch", "Positive and Negative Limit Switch"
These opto-isolated inputs are defined as:
Digital input 4: “Home Switch”
Digital input 5: “Positive Limit Switch“
Digital input 6: “Negative Limit Switch“
by default and can be configured via software setting.
Digital input 4 [DigIN4] Connector [J5] Pin number [5]
Digital input 5 [DigIN5] Connector [J5] Pin number [4]
Digital input 6 [DigIN6] Connector [J5] Pin number [3]
Common signal [IN_COM2] Connector [J5] Pin number [1]
Type of Input
Optical isolated
Single 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
Figure 16: Logic level
Input resistance typical 1.8 k
Ω
Input current at logic 1 typical 13.2 mA
@
24 VDC
Switching delay < 300
µ
s
@
24 VDC
Figure 17: Digital input 4…6
16 maxon motor control December 2008 Edition / document number 752380-04 / subject to change