Product details

DM-J6248P-2EC

Actuators & Joint Modules

Shenzhen Damao Technology Co., Ltd.

DM-J6248P-2EC

About this product

DM-J6248P-2EC is an integrated planetary joint motor with 30 Nm rated torque and 97 Nm peak torque in the current manufacturer table. It has a printed 48:1 reduction ratio, a 76 mm outer diameter and a 62.5 mm body height, with two 16-bit encoders and CAN control. The manufacturer gives a 40 rpm rated output speed for this 48:1 module. The page gives approximately 628 g, while the V1.4 manual gives 660 g; hardware applicability remains source-qualified.

Model
DM-J6248P-2EC
Category
Actuators & Joint Modules, Components

Specifications & evidence

Source-backed claims. Configuration, workload and evidence type matter when comparing products.

Can bus protocol switching

Above 1 Mbps: CAN FD; at or below 1 Mbps: CAN2.0B

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Exact manual conditional mode; legacy CAN2.0B controller may fail to receive CAN FD feedback. Do not equate every selected rate with classical CAN.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
greater than 1 Mbps (excluding 1 Mbps), the driver operates in CAN FD mode. ・ If the baud rate is ≤ 1 Mbps, the driver operates in CAN 2.0B

Can communication-loss response

Motor disabled

Manufacturer specification

Configuration: Current official product-page protection table; Configurable watchdog interval; no numerical timeout is given in this page table.

DM-J6248P-2EC official product page and embedded table
设定周期内没有收到CAN指令将自动退出“使能模式”

Can feedback encoding

Position 16 bits; velocity and torque 12 bits

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Protocol encoding widths; not physical encoder resolution or positioning accuracy.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Position: 16-bit signed fixed-point representation. ② Velocity: 12-bit signed fixed-point representation. ③ Torque: 12-bit signed fixed-point representation.

Can telemetry

Speed, position, torque and motor temperature

Manufacturer specification

Configuration: Current official product-page description; Exact product-page prose; no update date or feedback rate inferred.

DM-J6248P-2EC official product page and embedded table
可通过CAN总线反馈电机速度、位置、转矩、电机温度等信息

Control interface

CAN@5 Mbps(Max)

Manufacturer specification

Configuration: Current official product-page table; Printed maximum only where explicitly marked Max; configurable rates and protocol switching are separately source-qualified.

DM-J6248P-2EC official product page and embedded table
控制接口 CAN@5Mbps(Max)

Control modes

MIT; Position-velocity; Velocity; Force-position hybrid

Manufacturer specification

Configuration: Current official product-page table; Exact current table modes; mode availability may depend on firmware.

DM-J6248P-2EC official product page and embedded table
控制模式 MIT模式;位置速度模式;速度模式;力位混控模式

Driver maximum operating voltage

54 V

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Boundary stated in operating-voltage section; do not use higher configurable over-voltage trip limits as permitted continuous supply.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
The minimum operating voltage is 20V, and the maximum operating voltage is 54V.

Driver minimum operating voltage

20 V

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Boundary stated in operating-voltage section; distinct from nominal 24–48 V range.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
The minimum operating voltage is 20V, and the maximum operating voltage is 54V.

Driver operating voltage range

24–48 V

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Nominal driver operating range; manual also separately states minimum 20 V and maximum 54 V. These are not independent product variants.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
The operating voltage range for the driver is 24V to 48V. Hot-swapping is not recommended above 36V. The minimum operating voltage is 20V, and the maximum operating voltage is 54V.

Driver over-temperature trip

120 °C

Manufacturer specification

Configuration: Current official product-page protection table; Fixed driver protection threshold; disables the motor on over-temperature.

DM-J6248P-2EC official product page and embedded table
驱动过温防护,防护温度:120℃

Encoder count

2

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
编码器个数 2

Encoder resolution

16 bit

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
编码器位数 16位

Encoder type

Magnetic; single-turn

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
编码器类型 磁编(单圈)

Firmware update interfaces

UART and CAN

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Manual-supported update paths; not a firmware release event.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Firmware Upgrade via Serial Port..................................................................................................... 49 ◈CAN Firmware Upgrade

Front housing threaded-hole depth callout

6

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; leader-line attribution independently crosschecked. Literal linear callout only: no overall drawing unit header is printed, so no millimetres are inferred.

DM-J6248P-2EC official product page and embedded table
6

Height

62.5 mm

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
高度 62.5mm

Hot-plug voltage qualification

Avoid/reduce hot-plugging above 36 V

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Manufacturer integration qualification.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Hot-swapping is not recommended above 36V.

Housing threaded-hole count

8

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; count read from the literal threaded-hole callout. No alternative hole pattern or product variant inferred.

DM-J6248P-2EC official product page and embedded table
8

Housing threaded-hole nominal thread

M4

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; literal thread designation/class. Not an inferred length measurement.

DM-J6248P-2EC official product page and embedded table
M4

Maximum-current limit default

80 %

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Percentage of measurable maximum phase current; configurable limit, not rated current.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
The default value is 0.8 (i.e., 80% of the measurable maximum current). It is recommended that this value not exceed 98%.

Maximum-current limit recommendation

98 %

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Recommended maximum percentage of measurable current; not current in amperes.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
The default value is 0.8 (i.e., 80% of the measurable maximum current). It is recommended that this value not exceed 98%.

Mit derivative gain range

0–5

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Protocol gain range; physical gain unit is not stated.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Kp range: [0,500], Kd range: [0,5

Mit proportional gain range

0–500

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Protocol gain range; physical gain unit is not stated.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Kp range: [0,500], Kd range: [0,5

Motor mass

628 g

Manufacturer specification

Configuration: Current official product-page table; Approximate mass, as printed; included cable/connector configuration is not stated.

DM-J6248P-2EC official product page and embedded table
电机重量 约628g

Motor mass

660 g

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Source-conditioned alternative: current page says approximately 628 g; English manualV1.4 says 660 g and explicitly records a weight update. Hardware applicability must be confirmed.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Weight ~ 660g

Motor over-temperature recommendation

≤100 °C

Manufacturer specification

Configuration: Current official product-page protection table; User-configured protection recommendation; not an ambient operating-temperature rating.

DM-J6248P-2EC official product page and embedded table
建议不超过100℃

Motor status feedback

Position, velocity, torque, MOS temperature and winding temperature

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Temperature values refer to MOS average and internal winding average as described in the exact manual.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
POS: Motor position ・ VEL: Motor velocity ・ T: Motor torque ・ T_MOS: Average MOSFET temperature on the driver (℃) ・ T_Rotor: Average motor coil temperature (℃

No-load output speed

60 rpm

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
空载最大转速 60rpm

No-load speed at 48 v

115

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. English manual table omitsrpm on this row; numeric tokens are retained without inventing a printed unit. Earlier Chinese manual repeats 24 V on both values.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Maximum No-Load Speed 60@24V;115@48V

Outer diameter

76 mm

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
外径 76mm

Output threaded-hole count

6

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; count read from the literal threaded-hole callout. No alternative hole pattern or product variant inferred.

DM-J6248P-2EC official product page and embedded table
6

Output threaded-hole depth callout

6

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; leader-line attribution independently crosschecked. Literal linear callout only: no overall drawing unit header is printed, so no millimetres are inferred.

DM-J6248P-2EC official product page and embedded table
6

Output threaded-hole nominal thread

M4

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; literal thread designation/class. Not an inferred length measurement.

DM-J6248P-2EC official product page and embedded table
M4

Over-current protection recommendation

≤0.98

Manufacturer specification

Configuration: Current official product-page protection table; Literal protection-setting token; unit and normalization basis are not printed in this page row.

DM-J6248P-2EC official product page and embedded table
建议不超过0.98

Over-voltage protection recommendation

≤65 V

Manufacturer specification

Configuration: Current official product-page protection table; Configurable protection recommendation; not a rated supply limit.

DM-J6248P-2EC official product page and embedded table
建议不超过65V

Peak phase current

38.7 A

Manufacturer specification

Configuration: Current official product-page table; 24 V; Explicit phase current; 24 V. Peak duration is not stated.

DM-J6248P-2EC official product page and embedded table
峰值相/电源电流 38.7A/16A@24V;38.7A/8A@48V

Peak phase current

38.7 A

Manufacturer specification

Configuration: Current official product-page table; 48 V; Explicit phase current; 48 V. Peak duration is not stated.

DM-J6248P-2EC official product page and embedded table
峰值相/电源电流 38.7A/16A@24V;38.7A/8A@48V

Peak supply current

16 A

Manufacturer specification

Configuration: Current official product-page table; 24 V; Explicit supply current; 24 V. Peak duration is not stated.

DM-J6248P-2EC official product page and embedded table
峰值相/电源电流 38.7A/16A@24V;38.7A/8A@48V

Peak supply current

8 A

Manufacturer specification

Configuration: Current official product-page table; 48 V; Explicit supply current; 48 V. Peak duration is not stated.

DM-J6248P-2EC official product page and embedded table
峰值相/电源电流 38.7A/16A@24V;38.7A/8A@48V

Peak torque

97 Nm

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
峰值扭矩 97NM

Phase inductance

85 μH

Manufacturer specification

Configuration: Current official product-page table; At 25°C, as printed.

DM-J6248P-2EC official product page and embedded table
相电感 85uh(@25℃)

Phase resistance

0.17 Ω

Manufacturer specification

Configuration: Current official product-page table; At 25°C, as printed.

DM-J6248P-2EC official product page and embedded table
相电阻 0.17Ω(@25℃)

Pole pairs

14

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
极对数 14

Position command units

rad; velocity limit in rad/s

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Position-velocity mode commands use floating-point values; not a rated motion range.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
p_des and v_des are rad and rad/s respectively, and both are of type float

Power/can cable

XT30(2+2)-F; 100 mm

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Manual packing list.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
Power cable (with CAN interface) : XT30(2+2)-F connector, single-ended, 100mm ×1

Power-on position feedback range

−π to π rad

Reported claim

Configuration: Exact-model manufacturer manual; doc-6248P-8; Manufacturer-authored document hosted in the public dmBots repository; manual revision is not a product release date. Single-turn startup feedback interval; not mechanical travel limit.

DAMIAO DM-J6248P-2EC User Manual V1.4 (manufacturer-authored; hosted by dmBots)
After power-on, the reported position is limited to the range [-π, π] rad.

Rated output speed

40 rpm

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
额定转速 40rpm

Rated phase current

11.3 A

Manufacturer specification

Configuration: Current official product-page table; 24 V; Explicit phase current; 24 V.

DM-J6248P-2EC official product page and embedded table
额定相/电源电流 11.3A/7A@24V;11.3A/3.7A@48V

Rated phase current

11.3 A

Manufacturer specification

Configuration: Current official product-page table; 48 V; Explicit phase current; 48 V.

DM-J6248P-2EC official product page and embedded table
额定相/电源电流 11.3A/7A@24V;11.3A/3.7A@48V

Rated supply current

7 A

Manufacturer specification

Configuration: Current official product-page table; 24 V; Explicit supply current; 24 V.

DM-J6248P-2EC official product page and embedded table
额定相/电源电流 11.3A/7A@24V;11.3A/3.7A@48V

Rated supply current

3.7 A

Manufacturer specification

Configuration: Current official product-page table; 48 V; Explicit supply current; 48 V.

DM-J6248P-2EC official product page and embedded table
额定相/电源电流 11.3A/7A@24V;11.3A/3.7A@48V

Rated torque

30 Nm

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
额定扭矩 30NM

Rated voltage

24 V

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
额定电压 24V(支持24-48V)

Rear cover threaded-hole depth callout

5

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; leader-line attribution independently crosschecked. Literal linear callout only: no overall drawing unit header is printed, so no millimetres are inferred.

DM-J6248P-2EC official product page and embedded table
5

Rear cover threaded-hole nominal thread

M3

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; literal thread designation/class. Not an inferred length measurement.

DM-J6248P-2EC official product page and embedded table
M3

Rear threaded-hole depth callout

5

Manufacturer specification

Configuration: Current official product-page mechanical drawing; Exact model and current page drawing; leader-line attribution independently crosschecked. Literal linear callout only: no overall drawing unit header is printed, so no millimetres are inferred.

DM-J6248P-2EC official product page and embedded table
5

Reduction ratio

48:1

Manufacturer specification

Configuration: Current official product-page table; Ratio orientation retained literally as printed; no model options or alternative ratio variants inferred.

DM-J6248P-2EC official product page and embedded table
减速比 48:1

Supported supply range

24–48 V

Manufacturer specification

Configuration: Current official product-page table; Source-qualified supported range; protection thresholds are separate settings.

DM-J6248P-2EC official product page and embedded table
额定电压 24V(支持24-48V)

Tuning interface

UART; 921600 bps

Manufacturer specification

Configuration: Current official product-page table; Exact current product-page table; test setup and continuous-duty conditions are not stated.

DM-J6248P-2EC official product page and embedded table
调参接口 UART@921600bps

Under-voltage supply floor

≥20 V

Manufacturer specification

Configuration: Current official product-page protection table; Under-voltage protection paragraph; nominal operating range remains separately specified.

DM-J6248P-2EC official product page and embedded table
电源电压不低于20V

Related products

Contact Us

If you have any questions or would like to get in touch, please feel free to reach out to us at the email below.

info@robotuo.com

YOUR CHOICES

Privacy settings

Choose each optional purpose. All are off until you agree. Change or withdraw consent at any time; browsing still works if you reject all.

Privacy preference

Remembers the choice you make here.

Always active

Save comparisons and followed companies and products between visits. Turning this off deletes saved selections; you can still use them during this visit.

Allow Google Analytics through Firebase to measure general page visits and usage with cookies and device information. Advertising remains off.

Allow OneSignal to process browser and subscription information for Robotuo news and updates. Browser permission is a separate step.

Your shortlist

0 companies selectedUp to 10

Your shortlist is empty. Browse companies and add the ones you’d like to connect with.