Technical Data
Electrical Data
© 2017 maxon motor. Subject to change without prior notice.
maxon motor control
EPOS2 Positioning Controller
Document ID: rel7748
3-9
EPOS2 24/2 Hardware Reference
Edition: November 2017
3
Technical Data
3.1
Electrical Data
Table 3-4
Electrical Data – Rating
Table 3-5
Electrical Data – Inputs
Table 3-6
Electrical Data – Outputs
Rating
Nominal power supply voltage V
CC
9…24 VDC
Absolute min. supply voltage V
CC
8 VDC
Absolute max. supply voltage V
CC
28 VDC
Max. output voltage
0.9 • V
CC
Max. output current I
max
(<1 sec)
4 A
Continuous output current I
cont
2 A
Switching frequency
100 kHz
Max. efficiency
90%
Sample rate PI – current controller
10 kHz
Sample rate PI – speed controller
1 kHz
Sample rate PID – positioning controller
1 kHz
Max. speed @ sinusoidal commutation
(motors with 1 pole pair)
25 000 rpm
Max. speed @ block commutation
(motors with 1 pole pair)
100 000 rpm
Built-in motor choke per phase
47
μ
H / 2 A
Inputs
Hall sensor signals (380264 and 390003 only)
Hall sensor 1, Hall sensor 2 and Hall sensor 3
for Hall effect sensor ICs (Schmitt trigger with open
collector output)
Encoder signals
A, A\, B, B\, I, I\ (max. 5 MHz)
internal line receiver EIA RS422 Standard
Digital Input 1 (“General Purpose”)
+2.4…+24 VDC (Ri = 11 k
Ω
)
Digital Input 2 (“General Purpose”)
+2.4…+24 VDC (Ri = 11 k
Ω
)
Digital Input 3 (“General Purpose”)
+2.4…+24 VDC (Ri = 11 k
Ω
)
Digital Input 4 (“Home Switch”)
+2.4…+24 VDC (Ri = 11 k
Ω
)
Digital Input 5 (“Positive Limit Switch”)
+2.4…+24 VDC (Ri = 11 k
Ω
)
Digital Input 6 (“Negative Limit Switch”)
+2.4…+24 VDC (Ri = 11 k
Ω
)
Analog Input 1
resolution 12-bit 0…+5 V (Ri = 47 k
Ω
)
Analog Input 2
resolution 12-bit 0…+5 V (Ri = 47 k
Ω
)
CAN ID (CAN identification)
ID 1…15 configurable via DIP switch 1…4
Outputs
Digital Output 3 (“General Purpose”), open drain
max. 24 VDC (I
L
<50 mA)
Digital Output 4 (“General Purpose”), open drain
max. 24 VDC (I
L
<50 mA)
