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Bee - Digital Servo Drive

Bee - Ultra - light and intelligent digital servo drive
Ultra - light and intelligent digital servo drive

The Bee is a highly durable series of featherweight ExtrIQ digital servo drives for DC brush and brushless motors, linear motors and voice coils. Despite weighing only .95 oz (27 g), the Bee can withstand extended environmental conditions and support up to 3.3 amps continuous current. Its high density allows the drive to deliver a peak of 400 W of power and 200 W of continuous power.

Based on Elmo's SimplIQ Motion Control technology, the Bee is capable of operating in position, velocity and current modes and contains a wide range of feedback and I/O options. By using Elmo's Composer software, users can easily perform drive setup, configuration, tuning, analysis and programming.

The drive operates on DC power. The Bee servo drive is a PCB mounted device that enables an efficient and cost saving implementation.



Feature

Units

3/60

2.5/100

Minimum supply voltage

VDC

7.5

12

Nominal supply voltage

VDC

50

85

Maximum supply voltage

VDC

59

95

Maximum continuous power output

W

160

200

Efficiency at rated power (at nominal conditions)

%

> 99

Maximum output voltage

 

95% of DC bus voltage at f=22 kHz

Auxiliary power supply

VDC

11 – 95 VDC (up to 2.5 VA inc. 5 V/200 mA for encoder)

Amplitude sinusoidal/DC continuous current (Ic)

A

3.3

2.5

Sinusoidal continuous RMS current limit (Ic)

A

2.3

      1.8

Peak current limit

A

2 x Ic

Weight

g (oz)

27 g (0.95 oz)

Dimensions

mm (in)

51 x 12.5 x 42 (2" x 0.49" x 1.65")

Digital in/Digital out/Analog in

 

6/2/1

Mounting method

 

PCB mount



Feedbacks Supported


Feature

Units

 Specification

PWM switching frequency

kHz

22 ± 3% default on the motor

Switching method

 

Advanced Unipolar PWM

Current loop bandwidth

kHz

< 2.5

Current loop sampling rate

kHz

Up to 16; default 11

Velocity loop bandwidth

Hz

< 350

Velocity loop sampling rate

kHz

Up to  8; default 5.5

Position loop bandwidth

Hz

< 80

Position loop sampling rate

kHz

Up to  4; default 2.75

Maximum heat sink temperature

°C (°F)

85 °C – 88 °C (185 °F – 190 °F)

Ambient temperature

°C (°F)

Non- operating: -50°C to +100 °C (-58 °F to 212 °F)

Operating: -40 °C to +70 °C (-40 °F to 160 °F)

Temperature shock

°C (°F)

-40 °C to +70 °C (-40 °F to 160 °F) within 3 min

Maximum humidity

%

Non- operating: up to 95% relative humidity non-condensing at 35 °C (95 °F)

Operating: up to 95% relative humidity non-condensing at 25 °C (77 °F) up to 90% relative humidity non-condensing at 42 °C (108 °F)

Maximum altitude

m (ft)

Non- operating: No limit

Operating: -400 m to 155,000 m (-1,300 ft to 510,000 ft)

Vibration

Hz

20 Hz -2000 Hz, 14.6g

Mechanical shock

 

Non- operating: ±40 g, Half sine, 11 msec

Operating: ±20 g, Half sine, 11 msec

Protection level

 

 


Standard and Advanced Models

Feature
Support
CANopen and RS-232 interface
Yes
Current mode
Yes
Velocity mode
Yes
Position mode: jogging, point-to-point
Yes
Pulse and direction input
Yes
PT position versus time
Yes
PVT position and velocity versus time
Yes
Dual loop
Yes
ECAM / Follower
Yes
Overall user program size
32 KB