Setup
Connection Specifications
maxon motor control
EPOS4 Positioning Controller
Document ID: rel8003
3-55
EPOS4 Module/Compact 50/5 Hardware Reference
Edition: May 2018
© 2018 maxon motor. Subject to change without prior notice.
3.4.7
Digital I/Os
3.4.7.1
Module
Table 3-51
Digital I/Os – Pin assignment – Module
Figure 3-36
DigIN1 circuit (analogously valid for DigIN2…4) – Module
Module
Header Pin
Signal
Description
B1
DigIN1
Digital input 1
B2
DigIN2
Digital input 2
B3
DigIN3
Digital input 3
B4
DigIN4
Digital input 4
B5
DigOUT1
Digital output 1
B6
DigOUT2
Digital output 2
B15
V
Aux
Auxiliary output voltage (+5 VDC; I
L
≤
150 mA)
B16
GND
Ground
Digital inputs 1…4 (Module)
Input voltage
0…36 VDC
Max. input voltage
±36 VDC
Logic 0
<0.8 V
Logic 1
>2.1 V
Input resistance
typically 47 k
Ω
(<3.3 V)
typically 37.5 k
Ω
(@ 5 V)
typically 25.5 k
Ω
(@ 24 V)
Input current at logic 1
typically 135 µA @ +5 VDC
Switching delay
<300
μ
s