Specifications
Technical Data
maxon motor control
EPOS4 Positioning Controller
Document ID: rel6852
2-9
EPOS4 50/5 Hardware Reference
Edition: May 2017
© 2017 maxon motor. Subject to change without prior notice.
2
Specifications
2.1
Technical Data
EPOS4 50/5 (546047)
Electrical
Rating
Nominal power supply vV
CC
10…50 VDC
Nominal logic supply vV
C
10…50 VDC
Absolute supply vV
min
/ +V
max
8 VDC / 56 VDC
Output voltage (max.)
0.9 x +V
CC
Output current I
cont
/ I
max
(<15 s)
5 A / 15 A
Pulse Width Modulation frequency
50 kHz
Sampling rate PI current controller
25 kHz (40
μ
s)
Sampling rate PID speed controller
2.5 kHz (400
μ
s)
Sampling rate PID positioning controller
2.5 kHz (400
μ
s)
Max. efficiency
98% (
Max. speed DC motor
limited by max. permissible speed (motor) and
max. output voltage (controller)
Max. speed EC motor (block)
100’000 rpm (1 pole pair)
Max. speed EC motor (sinusoidal)
50’000 rpm (1 pole pair)
Built-in motor choke
3 x 15
μ
H; 5 A
Inputs
&
Outputs
Digital Input 1 (general purpose)
Digital Input 2 (general purpose)
Digital Input 3 (general purpose)
Digital Input 4 (general purpose)
DIP switch-selectable levels:
• Logic: +2.0…+30 VDC
• PLC: +9.0…+30 VDC
Digital Output 1 (general purpose)
Digital Output 2 (general purpose)
max. 36 VDC / I
L
≤
500 mA
(open collector with internal pull-up)
STO Input 1
STO Input 2
+4.5…+30 VDC (optically isolated)
STO Output
max. 30 VDC / I
L
≤
15 mA (optically isolated with self-resetting
short-circuit protection)
Analog Input 1
Analog Input 2
Resolution 12-bit,
−
10…+10 V, 10 kHz, differential
Analog Output 1
Analog Output 2
Resolution 12-bit,
−
4…+4 V, 25 kHz, referenced to GND
Digital Hall sensor signals
H1, H2, H3
+2.0…+24 VDC (internal pull-up)
Digital incremental encoder signals
A, A\, B, B\, I, I\
EIA RS422, max. 6.25 MHz
Sensor signals (choice between multiple functions)
• Digital incremental encoder
3-channel, EIA RS422, max. 6.25 MHz
• Analog incremental encoder*
3-channel, resolution 12-bit, ±1.8 V, differential
• SSI absolute encoder
configurable, EIA RS422, 5 MHz
• High-speed digital input 1…4 and
High-speed digital output 1
EIA RS422, max. 6.25 MHz
Continued on next page.