Servomotor without fan, OCT
Servomotor without fan, resolver
Servomotor without fan, OCT
Servomotor without fan, resolver
The AM8021 standard servomotor is suitable for drive solutions with highest demands on dynamics and performance in the 100…480 V AC voltage range. The standstill torque of the motor depends on the winding and is in the range of < 1.5 Nm. It is available with the OCT feedback system (absolute encoder). The standard servomotor with flange code F2 (58 mm) and motor length 1 has a shaft diameter b = 9 k6 and a free shaft end of d = 20 mm.
Product status:
regular delivery
| Product variants | Standstill torque | Standstill current | Rated speed |
|---|---|---|---|
| AM8021-wByz | 0.50 Nm | 0.85 A | 8000 min-1 |
| AM8021-wDyz | 0.50 Nm | 1.60 A | 9000 min-1 |
Product information
| Data for 400 V AC | AM8021-wByz |
|---|---|
| Motor type | permanent magnet-excited three-phase synchronous motor |
| Nominal voltage | 100…480 V AC |
| Standstill torque | 0.50 Nm |
| Rated torque | 0.50 Nm |
| Peak torque | 2.68 Nm |
| Rated speed | 8000 min-1 |
| Rated power | 0.42 kW |
| Standstill current | 0.85 A |
| Peak current | 4.90 A |
| Torque constant | 0.588 Nm/A |
| Rotor moment of inertia | 0.139 kgcm² |
| Motor feedback | resolver, single-turn absolute encoder
OCT, 18 bit, single-turn or multi-turn absolute encoder, electronic nameplate OCT, 24 bit, SIL 2-capable, single-turn or multi-turn absolute encoder, electronic nameplate OCT, EnDat® 3, 19 bit, SIL 3-capable, single-turn or multi-turn absolute encoder, electronic nameplate |
| Cooling | convection |
| Connection technology | itec® plug |
| Ambient temperature (operation) | +5…+40°C |
| Approvals/markings | CE, cURus, EAC |
All electric quantities are RMS values.
| Housing data | AM80xx |
|---|---|
| Protection rating | IP54, IP65 (shaft seal) |
| Design form | flange-mounted according to IM B5, IM V1, IM V3 |
| Material | aluminum |
| Coating/surface | dark gray powder coating, similar to RAL7016 |
| Dimensions | AM8021-wByz |
|---|---|
| a | 40 j6 |
| b | 9 k6 |
| d | 20 mm |
| l | 63 mm |
| r | 58 mm |
| k (without brake) | 111.5 mm |
| k (with brake) | 146 mm |
| Order reference
AM8021-wByz | |
|---|---|
| w = 0 | smooth shaft |
| w = 1 | shaft with groove and feather key according to DIN 6885 |
| w = 2 | smooth shaft with IP65 sealing ring (FPM) |
| w = 3 | shaft with IP65 sealing ring (FPM) and shaft with groove and feather key |
| w = 4 | shaft with IP65 sealing ring, smooth shaft and sealing air connection |
| w = 5 | shaft with IP65 sealing ring, shaft with groove and feather key and sealing air connection |
| y = 0 | 2-cable standard: feedback resolver |
| y = 1 | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, single-turn, absolute position within one revolution, 18 bit resolution |
| y = 2 | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, 18 bit resolution |
| y = G | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, single-turn, absolute position within one revolution, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx) |
| y = H | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx) |
| y = I | EnDat® 3; One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, single-turn, absolute position within one revolution, resolution 19 bit, SIL 3-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), only for AM802x to AM807x |
| y = J | EnDat® 3; One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 19 bit, SIL 3-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), only for AM802x to AM807x |
| y = L | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), Beckhoff Smart System Diagnosis (B/SSD) |
| y = N | without feedback (sensorless) |
| z = 0 | without holding brake |
| z = 1 | with backlash-free permanent magnet holding brake |
| The options cannot be installed in the field. |
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