Category: Motion control > ACOPOSmicro > Stepper motor modules
Control for 2 stepper motors (2-phase bipolar, full bridge) 256 microsteps per step 2 trigger inputs Motor holding brake connection Enable input Automatic motor identification Holding, boost and continuous current can be defined independent of one another ACOPOSmicro stepper motor module, X2X Link interface, 24-64 VDC ±25% power supply, 2 motor connections, 10 A continuous current, 2 digital inputs 24 VDC, sink, can be used as trigger inputs, 1 digital output 24 VDC, 1 A, order terminal blocks separately!.
Technical Specifications
Short description
- Stepper motor module = Connection for two stepper motors without encoder, 2-phase bipolar
General 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
- UKCA = Yes
- CRA (Cyber Resilience Act) = In preparation
- Functional safety = Yes
- UL = cULus E225616 Power conversion equipment
- KC = Yes
- B&R ID code = 0xA4A4
- Status indicators = X2X Link, operating state, module status, motor information
24 VDC power supply
- Power consumption
- CPU = Max. 6 W
- X2X Link power supply = Generated internally from the CPU power supply
- Input voltage = 24 VDC ±25%
- Voltage monitoring = Yes
- Reverse polarity protection = Yes
Power supply
- 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"
- Input voltage = 24 to 64 VDC ±25%
- Inrush current = Max. 10 A
- 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
Motor connection
- Quantity = 2
- Nominal current = 10 A Peak
- Max. current/motor = 15 A Peak (2 s)
- Max. current/module = 30 A Peak
- Nominal switching frequency = 38.5 kHz
- Max. motor line length = 25 m
- Step resolution = 256 microsteps per full step
- DC bus capacitance = 940 µF
Motor holding brake connection
- 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
- Quantity = 1
- Nominal voltage = 24 VDC
- Input voltage = 24 VDC ±25%
- Continuous current per connection = 1 A
- Max. internal resistance = 0.3 Ω
- Max. overcurrent limiting = 8 A
- Response threshold for undervoltage monitoring = ≤11 VDC
- Reference potential = GND for module power supply (X2 terminal, pin 10)
Interfaces
- X2X
- Execution = 4-pin male connector
- Min. X2X Link cycle time = 250 μs
Enable inputs
- 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
- Quantity = 1
- Nominal voltage = 24 VDC
- Input voltage = 24 VDC ±25%
- Input current at nominal voltage = Typ. 60 mA
- Input circuit = Sink
- Insulation voltage between input and bus = 500 V eff
- Input capacitance = 10 nF (Rev. < L0: 100 µF)
Digital inputs / Trigger inputs
- Input voltage
- Nominal = 24 VDC
- Maximum = 30 VDC
- 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 V eff
- Input - Input = Yes, 500 V eff
- Quantity = 2
- Additional functions = Can be used as trigger input
- Input circuit = Sink
- Input current at nominal voltage = Approx. 7.5 mA
- Input resistance = Approx. 3.2 kΩ
- Modulation compared to ground potential = Max. ±38 V
