Setup
Connections
maxon motor control
3-36
Document ID: rel6852
EPOS4 Positioning Controller
Edition: May 2017
EPOS4 50/5 Hardware Reference
© 2017 maxon motor. Subject to change without prior notice.
3.3.6.3
High-speed Digital I/Os
Alternatively, the sensor interface can be used for high-speed digital I/O operation.
Figure 3-23
HsDigIN1 circuit “differential” (analogously valid for HsDigIN2…4)
Figure 3-24
HsDigIN1 circuit “single-ended” (analogously valid for HsDigIN2…4)
Continued on next page.
High-speed digital input 1…4 (differential)
Max. input voltage
±12 VDC
Min. differential input voltage
±200 mV
Line receiver (internal)
EIA RS422 standard
Max. input frequency
6.25 MHz
High-speed digital input 1…4 (single-ended)
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 (HsDigIN1, 2)
typically 60
μ
A @ +5 VDC (HsDigIN3, 4)
Input low current
typically
−
80
μ
A @ 0 VDC (HsDigIN1, 2)
typically
−
7
μ
A @ 0 VDC (HsDigIN3, 4)
Max. input frequency
6.25 MHz