maxon motor
6
maxon EC motor
EC 20 flat with integrated electronics
Operating Instructions
September 2010 Edition / document number 903155_PDF_E - 07 / subject to change
2.6 Mechanical data (preloaded ball bearings)
Version
2 Watt
5 Watt
Rotor inertia
gcm
2
3.2
5.1
Axial play at axial load
< 2 N
mm
0
0
> 2 N
mm
0.14
0.14
Radial play
preloaded
preloaded
Max. axial load
(dynamic)
N
1.8
1.8
Max. axial load
(static)
N
20
20
static, shaft supported)
N
200
200
Max. radial load
5 mm from flange
N
11
12
Weight of motor
gr
30
37
2.7 Connection (input/output)
Cable
Description
Connection
Value
Red
Supply voltage V
CC
Supply
10 … 28 VDC
Black
Gnd
Supply
Ground
White (only 5-wire operation)
Set value speed input
Input
0.33 … 10.8 VDC
Green (only 5-wire operation)
Monitor speed n
Output
6 counts per turn
Version Enable
grey (only 5-wire operation)
«Enable»
Input
2.4 … 28 VDC
Version Direction
grey (only 5-wire operation)
«cw/ccw»
Input
2.4 … 28 VDC
Wire size
AWG28
=
ˆ
0.09 m
m
2
2.8 Protective functions
Inverse-polarity protection
up to max. 30 VDC
Blockage protection
cut off with blocked motor shaft after 2 s
Low voltage protection
cut off at V
CC
< 8.5 V
High voltage protection
cut off at V
CC
> 29.5 V
Thermal control of the power stage
cut off at T > 100 °C typ.
High voltage protection (transient)
150 mWs
2.9 Ambient conditions
Temperature range
-40 ... +40 °C
Range with reduced performance
+40 ... +85 °C
Temperature range bearing
-40 ... +85 °C
Humidity range not condensing
20 … 80 %
2.10 Voltage supply
Ripple
< 5%
Output current depending on the load, recommendation
>_ 1 A
Max. output voltage
29 VDC
Min. output voltage
9.5 VDC
