Stepper motor module

Connection for two stepper motors without encoder, 2-phase bipolar

B&R ID code

0xA4A4

Status indicators

X2X Link, operating state, module status, motor information

Diagnostics

Module run/error

Yes, using LED status indicator and software

Module temperature / Cooling unit temperature

Yes, using software

Motor status

Yes, using LED status indicator and software

X2X Link

Yes, using LED status indicator

Electrical isolation

CPU - 24 VDC power supply

No

CPU - Power supply

Yes

CPU - Motor connection

Yes

CPU - Digital inputs

Yes

CPU - Enable inputs

Yes

CPU - Motor holding brake

No

CPU - X2X Link

Yes

Certifications

CE

Yes

Functional safety

Yes

UL

cULus E225616
Power conversion equipment

KC

Yes

Input voltage

24 VDC ±25%

Voltage monitoring

Yes

Power consumption

CPU

Max. 6 W

X2X Link power supply

Generated internally from the CPU power supply

Reverse polarity protection

Yes

Input voltage

24 to 64 VDC ±25%

Inrush current

Max. 10 A

Power consumption

Idle (no motor powered)

Max. 0.5 W

Full load

See diagram "Dimensioning - Power dissipation from the power unit for each powered axis"

Inrush current limiting

Yes, PTC (min. 9 Ω), is bypassed during operation by means of relay contact.

Undervoltage cutoff

<18 VDC

Overvoltage cutoff

>95 VDC

Voltage measurement

Yes

Line protection

Must occur externally

Reverse polarity protection

Yes

Quantity

2

Nominal current

10 APeak

Max. current/motor

15 APeak (2 s)

Max. current/module

30 APeak

Nominal switching frequency

38.5 kHz

Max. motor line length

25 m

Step resolution

256 microsteps per full step

DC bus capacitance

940 µF

Quantity

1

Nominal voltage

24 VDC

Input voltage

24 VDC ±25%

Continuous current per connection

1 A

Max. internal resistance

0.3 Ω

Switching frequency

Resistive load

100 Hz

Inductive load

See section "Switching inductive loads"

Protective measures

Overload and short-circuit protection

Yes

Open-circuit monitoring

No

Undervoltage monitoring

Yes

Max. overcurrent limiting

8 A

Response threshold for undervoltage monitoring

≤11 VDC

Reference potential

GND for module power supply (X2 terminal, pin 10)

X2X

Variant

4-pin male connector

Min. X2X Link cycle time

250 μs

Quantity

1

Nominal voltage

24 VDC

Input voltage

24 VDC ±25%

Input current at nominal voltage

Typ. 60 mA

Input circuit

Sink

Switching threshold

Low

<5 VDC

High

>15 VDC

Switching delay at nominal input voltage

Enable 1 → 0, PWM off

Maximum

450 ms (Rev. < L0: 452 ms)

Enable 0 → 1, ready for PWM

Maximum

500 ms

Insulation voltage between input and bus

500 Veff

Input capacitance

10 nF (Rev. < L0: 100 µF)

Quantity

2

Additional functions

Can be used as trigger input

Input circuit

Sink

Input voltage

Nominal

24 VDC

Maximum

30 VDC

Input current at nominal voltage

Approx. 7.5 mA

Input resistance

Approx. 3.2 kΩ

Switching threshold

Low

<5 VDC

High

>15 VDC

Switching delay

Rising edge

[Instant recording] Typ. 3 µs

Falling edge

[Instant recording] Typ. 4 µs

Electrical isolation

Input - ACOPOS

Yes, 500 Veff

Input - Input

Yes, 500 Veff

Modulation compared to ground potential

Max. ±38 V

Mounting orientation

Horizontal

No

Vertical

Yes

Pollution degree per EN 61800-5-1

2 (non-conductive pollution)

Degree of protection per EN 60529

IP20

Temperature

Operation

0 to 45 °C

Storage

-25 to 55 °C

Transport

-25 to 55 °C

Relative humidity

Operation

5 to 85 %, non-condensing

Storage

5 to 95%, non-condensing

Transport

5 to 95%, non-condensing

Note

Order terminal blocks and cables separately!

Mounting/Cooling

Screw mounting with heat spreader on mounting plate or cold-plate.

Dimensions

Width

65 mm

Height

134 mm

Depth

95 mm

Weight

655 g

Backplane

Always mount on conductive and earthed backplane.