EC 22 ∅22 mm, brushless, 50 Watt See page 13

Not recommended for New Design

A with hall sensors B sensorless

maxon special program

Connector:
MKF 13268-6-0-808
Stocko Elektronik GmbH M 1:1
Stock program Part Numbers
Standard program
Special program (on request)

A with hall sensors 167130 167129

B sensorless 201049 201048
Motor Data (provisional)
Values at nominal voltage
1 Nominal voltage V 32 32
2 No load speed rpm 38700 22400
3 No load current mA 327 128
4 Nominal speed rpm 36600 20200
5 Nominal torque (max. continuous torque) mNm 30.6 37.2
6 Nominal current (max. continuous current) A 4.16 2.82
7 Stall torque mNm 692 437
8 Starting current A 88.2 32.1
9 Max. efficiency % 88 88
Characteristics
10 Terminal resistance phase to phase Ω 0.363 0.997
11 Terminal inductance phase to phase mH 0.0490 0.147
12 Torque constant mNm/A 7.85 13.6
13 Speed constant rpm/V 1220 702
14 Speed/torque gradient rpm/mNm 56.2 51.4
15 Mechanical time constant ms 2.47 2.26
16 Rotor inertia gcm2 4.20 4.20

Specifications Operating Range Comments

Thermal data n [rpm] Continuous operation
17 Thermal resistance housing-ambient 7.0 K/W In observation of above listed thermal resistance
18 Thermal resistance winding-housing 1.0 K/W (lines 17 and 18) the maximum permissible winding
19 Thermal time constant winding 5.06 s
temperature will be reached during continuous ope-
20 Thermal time constant motor 355 s
ration at 25°C ambient.
21 Ambient temperature -20…+100°C
= Thermal limit.
22 Max. permissible winding temperature +125°C
Mechanical data (preloaded ball bearings) Short term operation
23 Max. permissible speed1) 50000 rpm The motor may be briefly overloaded (recurring).
24 Axial play at axial load < 4.5 N 0 mm
> 4.5 N max. 0.14 mm
25 Radial play preloaded Assigned power rating
26 Max. axial load (dynamic) 4N
27 Max. force for press fits (static) 45 N
(static, shaft supported) 250 N
28 Max. radial loading, 5 mm from flange 16 N
1) in combination with encoder MR nmax = 37500 rpm
maxon Modular System Overview on page 20 - 25
Other specifications
29 Number of pole pairs 1 Planetary Gearhead for type A:
30 Number of phases 3 ∅22 mm Encoder MR
31 Weight of motor 130 g 0.5 - 3.4 Nm 128/256/512 CPT.,
Page 252/253 Page 301
Values listed in the table are nominal. Spindle Drive
Connection A ∅22 mm for type B:
brown Motor winding 1 Pin 1 Page 284/285 Resolver
red Motor winding 2 Pin 2 on request
orange Motor winding 3 Pin 3
yellow VHall 4.5 ... 24 VDC Pin 4
green GND Pin 5 Recommended Electronics:
blue Hall sensor 1* Pin 6 ESCON 50/5 Page 321
violet Hall sensor 2* Pin 7 DECS 50/5 324
grey Hall sensor 3* Pin 8 EPOS2 24/2, Module 36/2 330
*Internal pull-up (7…13 kΩ) on pin 4 EPOS2 24/5 331
Connection B (Cable AWG 24) EPOS2 50/5 331
brown Motor winding 1 EPOS2 P 24/5 334
red Motor winding 2 Notes 24
orange Motor winding 3
Wiring diagram for Hall sensors see p. 35

May 2013 edition / subject to change maxon special program 379

1314_Special_program.indd 379 15.05.2013 14:58:14