B&R X90SM546.01-00
X90 stepper motor module, with current reduction function, module power supply 15 to 60 VDC, 1 motor connection, 4 A continuous current, 8 A peak current, 4 digital inputs, NetTime function
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
| I/O module | 1 stepper motor output and 4 digital inputs |
General information
| Diagnostics / Module run/error | Yes, using software |
| Diagnostics / Supply voltage monitoring | Yes, using software |
| Power consumption / Bus | Max. 0.1 W |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| B&R ID code | 0xFAD3 |
| Status indicators | - |
Motor bridge - Power unit
| Quantity | 1 |
| Type | 2-phase bipolar stepper motor (full bridge) |
| Nominal voltage | 48 VDC |
| Nominal current | 4 A |
| Max. current/motor | 8 A |
| Step resolution | 256 microsteps per full step |
Digital inputs
| Input filter / Hardware | <4 µs |
| Input filter / Software | - |
| Switching threshold / Low | <5 VDC |
| Switching threshold / High | >10 VDC |
| Quantity | 4 |
| Input voltage | 24 VDC |
| Input current at 24 VDC | 5.3 mA |
| Input circuit | Sink |
| Input resistance | 4.5 kΩ |
ABR incremental encoder
| Quantity | 1 |
| Encoder inputs | 24 V, asymmetrical |
| Counter size | 16-bit |
| Input frequency | Max. 50 kHz |
| Evaluation | 4x |
Electrical properties
| Electrical isolation | No |
Operating conditions
| Mounting orientation / Any | Yes |
| Degree of protection per EN 60529 | Up to IP69K |
Ambient conditions
| Temperature / Operation / Horizontal mounting orientation | -40 to 85°C housing surface |
| Temperature / Operation / Vertical mounting orientation | -40 to 85°C housing surface |
| Temperature / Storage | -40 to 85°C |
| Temperature / Transport | -40 to 85°C |
| Relative humidity / Operation | 5 to 100%, condensing |
| Relative humidity / Storage | 5 to 100%, condensing |
| Relative humidity / Transport | 5 to 100%, condensing |
Mechanical properties
| Dimensions / Width | 47 mm |
| Dimensions / Length | 95 mm |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
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.