B&R X90SM546.02-00
2 stepper motors with 4 A 15 to 60 VDC X2X Link The SM option board offers the possibility of connecting two 4 A stepper motors with 15 to 60 V. Communication with the mainboard is made possible via X2X Link.
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 | 2 stepper motor outputs |
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 | 0xFABA |
| Status indicators | - |
Motor bridge - Power unit
| Quantity | 2 |
| Type | Stepper motor (full-bridge) |
| Nominal voltage | 48 VDC |
| Nominal current | 4 A |
| Max. current/motor | 8 A |
| Step resolution | 256 microsteps per full step |
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
Manuals
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.