maxon motor control
4-22
Document ID: rel2895
MCD EPOS P Programmable Compact Drive
Edition: December 2011
MCD EPOS P 60 W Hardware Reference
© 2011 maxon motor. Subject to change without prior notice.
4.2.2
Digital Inputs 7 and 8 “High Speed Command”
The “High Speed Command” differential inputs are set by default and may be configured via software.
Figure 4-10
DigIN7 “Differential” Circuit (analogously valid also for DigIN8)
Note
Do not
connect DigIN’s complements!
Figure 4-11
DigIN7 “Single-ended” Circuit (analogously valid also for DigIN8)
Differential
DigIN7 “High Speed Command”
DigIN8 “High Speed Command”
Connector [J1] Pins [1] / [2]
Connector [J1] Pins [3] / [4]
Min. differential input voltage
±200 mV
Line receiver (internal)
EIA RS422 Standard
Max. input frequency
500 kHz
Single-ended
DigIN7 “High Speed Command”
DigIN8 “High Speed Command”
D_Gnd (digital signal ground)
Connector [J1] Pin [1]
Connector [J1] Pin [3]
Connector [J1] Pin [5]
Input voltage
0…5 VDC
Max. input voltage
±24 VDC
Logic 0
<2.0 V
Logic 1
>3.0 V
Input resistance
typically 48 k
Ω
(referenced to D_Gnd)
