Data captured: · Published: · Update delayed: this release is over 8 days old.
Photograph of the part · from aifitlab.com
1 / 1
1 / 1specs 26evidence [n]sources 2
173Reduction ratio
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Stall torquestall_torque
valuemeasured at Reduction ratio 173:1
as printed 28kg-cm (2.74N·m)2.746 N·m
source sentenceStall Torque 28kg-cm (2.74N·m) 28kg-cm (2.74N·m)
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
No-load speedno_load_speed
valuemeasured at Reduction ratio 173:1
as printed 142.0rpm (0.070sec@60°)142 r/min
source sentenceNo-load Speed 142.0rpm (0.070sec@60°) 142.0rpm (0.070sec@60°)
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Ambient temperatureambient_temperature
valuemeasured at Reduction ratio 173:1
-10 ~ 60°C
source sentenceWorking Temperature -10 ~ 60°C -10 ~ 60°C
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Stall currentstall_current
valuemeasured at Reduction ratio 173:1
as printed 5.5A5.5 A
source sentenceStall Current 5.5A 3A
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Protocolprotocol
valuemeasured at Reduction ratio 173:1
RS-485
source sentenceCommunication Protocol RS-485 RS-485
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Baud ratebaud_rate
valuemeasured at Reduction ratio 173:1
9600~1Mbps
source sentenceBaud Rate 9600~1Mbps 9600~1Mbps
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Reduction ratioreduction_ratio
value
as printed 173:1173
source sentenceGear Ratio 173:1 173:1
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Reduction ratio 173:1
40×20×46mm
source sentenceDimensions 40×20×46mm 40×20×46mm
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Weightweight
valuemeasured at Reduction ratio 173:1
as printed 95g0.095 kg
source sentenceWeight 95g 95g
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Stall torquestall_torque
valuemeasured at Reduction ratio 173:1
as printed 28kg-cm (2.74N·m)2.746 N·m
source sentenceStall Torque 28kg-cm (2.74N·m) 28kg-cm (2.74N·m)
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
No-load speedno_load_speed
valuemeasured at Reduction ratio 173:1
as printed 142.0rpm (0.070sec@60°)142 r/min
source sentenceNo-load Speed 142.0rpm (0.070sec@60°) 142.0rpm (0.070sec@60°)
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Ambient temperatureambient_temperature
valuemeasured at Reduction ratio 173:1
-10 ~ 60°C
source sentenceWorking Temperature -10 ~ 60°C -10 ~ 60°C
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Stall currentstall_current
valuemeasured at Reduction ratio 173:1
as printed 5.5A5.5 A
source sentenceStall Current 5.5A 3A
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Protocolprotocol
valuemeasured at Reduction ratio 173:1
RS-485
source sentenceCommunication Protocol RS-485 RS-485
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Baud ratebaud_rate
valuemeasured at Reduction ratio 173:1
9600~1Mbps
source sentenceBaud Rate 9600~1Mbps 9600~1Mbps
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Reduction ratioreduction_ratio
value
as printed 173:1173
source sentenceGear Ratio 173:1 173:1
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Reduction ratio 173:1
40×20×46mm
source sentenceDimensions 40×20×46mm 40×20×46mm
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Weightweight
valuemeasured at Reduction ratio 173:1
as printed 95g0.095 kg
source sentenceWeight 95g 95g
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
No-load currentno_load_current
valuemeasured at Reduction ratio 173:1
as printed 300mA0.3 A
source sentenceNo-load Current 300mA 300mA
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Bus ID rangebus_id_range
valuemeasured at Reduction ratio 173:1
0~254
source sentenceID Range 0~254 0~254
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
No-load currentno_load_current
valuemeasured at Reduction ratio 173:1
as printed 300mA0.3 A
source sentenceNo-load Current 300mA 300mA
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Bus ID rangebus_id_range
valuemeasured at Reduction ratio 173:1
0~254
source sentenceID Range 0~254 0~254
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Idle currentidle_current
valuemeasured at Reduction ratio 173:1
as printed 40mA0.04 A
source sentenceStandby Current 40mA 40mA
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Position sensor typeposition_sensor_type
valuemeasured at Reduction ratio 173:1
12bit Non-contact Encoder (Magnetic Encoder)
source sentencePosition Sensor 12bit Non-contact Encoder (Magnetic Encoder) 12bit Non-contact Encoder (Magnetic Encoder)
sourcehttps://aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Idle currentidle_current
valuemeasured at Reduction ratio 173:1
as printed 40mA0.04 A
source sentenceStandby Current 40mA 40mA
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Position sensor typeposition_sensor_type
valuemeasured at Reduction ratio 173:1
12bit Non-contact Encoder (Magnetic Encoder)
source sentencePosition Sensor 12bit Non-contact Encoder (Magnetic Encoder) 12bit Non-contact Encoder (Magnetic Encoder)
sourcehttps://robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servo · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
specs 26, 26 shown
Source documents.
2 sources the values were read from
2 documents
aifitlab.com/products/fashion-star-hx8-r28h-m-rs485-bus-servoDistributor page · 13 valuesRetrieved 2026-08-28
robotopian.com/products/fashion-star-hx8-r28h-m-rs485-bus-servoDistributor page · 13 valuesRetrieved 2026-09-01
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-08-28first collected · 2 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
Put a motor, a reducer and an encoder into the slots to see whether they combine.
Check joint combinationsJOINT · HX8-R28H-M · B · Motors
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