B&R 80SD100XD.W044-01
Control for 2 stepper motors (2-phase bipolar, full bridge) 256 microsteps per step 2 incremental encoder inputs 2 trigger inputs Motor holding brake connection Enable input Automatic motor identification Holding, boost and continuous current can be defined independent of one another Heat sink ACOPOSmicro stepper motor module, heat sink, X2X Link interface, 2x 24 V incremental encoder, 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!
Lifecycle & replacement
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
Short description
| Stepper motor module | Connection for 2 stepper motors with ABR incremental encoder, 2-phase bipolar |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Module temperature / Cooling unit temperature | Yes, using software |
| Diagnostics / Motor status | Yes, using LED status indicator and software |
| Diagnostics / X2X Link | Yes, using LED status indicator |
| Electrical isolation / CPU - 24 VDC power supply | No |
| Electrical isolation / CPU - Power supply | Yes |
| Electrical isolation / CPU - Motor connection | Yes |
| Electrical isolation / CPU - Digital inputs | Yes |
| Electrical isolation / CPU - Enable inputs | Yes |
| Electrical isolation / CPU - Encoder | No |
| Electrical isolation / CPU - Motor holding brake | No |
| Electrical isolation / CPU - X2X Link | Yes |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | In preparation |
| Certifications / Functional safety | Yes |
| Certifications / UL | cULus E225616 Power conversion equipment |
| Certifications / KC | Yes |
| B&R ID code | 0xC666 |
| Status indicators | X2X Link, operating state, module status, motor information |
24 VDC power supply
| Power consumption / CPU | Max. 8 W |
| Power consumption / 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 |
| Power consumption / 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 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 |
Motor holding brake connection
| Switching frequency / Resistive load | 100 Hz |
| Switching frequency / Inductive load | See section "Switching inductive loads" |
| Protective measures / Overload and short-circuit protection | Yes |
| Protective measures / Open-circuit monitoring | No |
| Protective measures / 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 / Variant | 4-pin male connector |
| X2X / Min. X2X Link cycle time | 250 μs |
Encoder inputs
| Encoder power supply / Protective measures / Overload-proof | Yes |
| Encoder power supply / Protective measures / Short-circuit proof | Yes |
| Encoder power supply / Output voltage | 24 V |
| Encoder power supply / Load capacity | 40 mA, important: 1 PTC for both encoder channels |
| Inputs A, B, R / Switching threshold / Low | <5 V (against COM) |
| Inputs A, B, R / Switching threshold / High | >15 V (against COM) |
| Temperature measurement / Type | KTY |
| Temperature measurement / Values | 0 to 110 °C |
| Temperature measurement / Tolerance | 5% |
| Quantity | 2 |
| Type | ABR single-ended signals 24 V |
| Max. encoder cable length | 25 m |
Incremental encoder operation
| Signal form | Square wave pulse |
| Evaluation | 4x |
| Counter size | 16-bit |
| Input frequency | Max. 50 kHz |
| Counter frequency | 200 kHz |
| Input current at nominal voltage | Typ. 4 mA |
Enable inputs
| Switching threshold / Low | <5 VDC |
| Switching threshold / High | >15 VDC |
| Switching delay at nominal input voltage / Enable 1 → 0, PWM off / Maximum | 450 ms (Rev. < G0: 452 ms) |
| Switching delay at nominal input voltage / 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 Veff |
| Input capacitance | 10 nF (Rev. < G0: 100 µF) |
Digital inputs / Trigger inputs
| Input voltage / Nominal | 24 VDC |
| Input voltage / Maximum | 30 VDC |
| Switching threshold / Low | <5 VDC |
| Switching threshold / High | >15 VDC |
| Switching delay / Rising edge | [Instant recording] Typ. 3 µs |
| Switching delay / Falling edge | [Instant recording] Typ. 4 µs |
| Electrical isolation / Input - ACOPOS | Yes, 500 Veff |
| Electrical isolation / Input - Input | Yes, 500 Veff |
| 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 |
Operating conditions
| Mounting orientation / Horizontal | No |
| Mounting orientation / Vertical | Yes |
| Pollution degree per EN 61800-5-1 | 2 (non-conductive pollution) |
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature / Operation | 0 to 45 °C |
| Temperature / Storage | -25 to 55 °C |
| Temperature / Transport | -25 to 55 °C |
| Relative humidity / Operation | 5 to 85 %, non-condensing |
| Relative humidity / Storage | 5 to 95%, non-condensing |
| Relative humidity / Transport | 5 to 95%, non-condensing |
Mechanical properties
| Dimensions / Width | 65 mm |
| Dimensions / Height | 134 mm |
| Dimensions / Depth | 95 mm |
| Note | Order terminal blocks and cables separately! |
| Mounting/Cooling | Heat sink for wall mounting |
| Weight | 930 g |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Manuals
3D CAD models
ECAD / EPLAN
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.