B&R 8BAC0120.000-1
EnDat 2.1 encoder interface for installation in ACOPOSmulti modules Encoder monitoring High-precision analog signal processing Embedded parameter chip when used with B&R motors ACOPOSmulti plug-in module, EnDat 2.1 interface
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.
Servo amplifiers, motors, encoders and cables are matched sets. If this part is no longer available in its original form, the manufacturer's newer generation usually will not pair with the rest of the axis, so an upgrade normally covers the drive, motor and cables together. Send us the nameplate details and we will confirm availability of an exact spare or scope a compatible upgrade.
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
General information
| Power consumption / Depends on connected encoder | Yes |
| Power consumption / E0 ... EnDat single-turn, 512 lines | Max. 4 W |
| Power consumption / E1 ... EnDat multi-turn, 512 lines | Max. 4 W |
| Power consumption / E2 ... EnDat single-turn, 32 lines (inductive) | Max. 4 W |
| Power consumption / E3 ... EnDat multi-turn, 32 lines (inductive) | Max. 4 W |
| Power consumption / E4 ... EnDat single-turn, 512 lines | Max. 4 W |
| Power consumption / E5 ... EnDat multi-turn, 512 lines | Max. 4 W |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | In preparation |
| Certifications / UL | cULus E225616 Power conversion equipment |
| Certifications / KC | Yes |
| Module type | ACOPOSmulti plug-in module |
| B&R ID code | 0x22EF |
| Slot | Slots 1 and 2 |
Encoder inputs
| Electrical isolation / Encoder - ACOPOSmulti | No |
| Sine/Cosine inputs / Signal transmission | Differential signals, symmetrical |
| Sine/Cosine inputs / Signal frequency (-3 dB) | DC up to 300 kHz |
| Sine/Cosine inputs / Signal frequency (-5 dB) | DC up to 400 kHz |
| Sine/Cosine inputs / Common-mode voltage | Max. ±7 V |
| Sine/Cosine inputs / Terminating resistor | 120 Ω |
| Sine/Cosine inputs / Resolution | 12-bit |
| Quantity | 1 |
| Module-side connection | 15-pin male DSUB connector |
| Status indicators | UP/DN LEDs |
| Encoder monitoring | Yes |
| Max. encoder cable length | 75 m |
Encoder power supply
| Output voltage | 5 V ±5% |
| Load capacity | 250 mA |
| Sense lines | 2, compensation of max. 2x 0.7 V |
Position
| Resolution @ 1 VSS | Number of encoder lines * 5700 |
Synchronous serial interface
| Signal transmission | RS485 |
| Data transfer rate | 781.25 kbit/s |
Ambient conditions
| Temperature / Operation / Nominal | 5 to 40°C |
| Temperature / Operation / Maximum | 55°C |
| Temperature / Storage | -25 to 55°C |
| Temperature / Transport | -25 to 70°C |
| Relative humidity / Operation | 5 to 85% |
| Relative humidity / Storage | 5 to 95% |
| Relative humidity / Transport | Max. 95% at 40°C |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
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.