YOKOGAWA Direct Drive Motor DR5B-030G-2C7A4GZ-031-03Z[USED]

Description

YOKOGAWA DR5B-030G-2C7A4GZ-031-03Z is a high-speed external rotor direct drive (DD) torque motor from the Yokogawa DYNASERV DR5B series. It is equipped with an internal magnetic encoder, a steel base, and a large hollow shaft. It is characterized by high speed, high dynamics, and high rigidity, and is suitable for semiconductors, precision detection, and high-speed rotating platforms.
1. Complete decoding of the model number Table
Field Definition
DR5B DR5 series, B type (high-speed, external rotor, steel structure, magnetic encoder)
-030 Rated torque 30 N·m, grade
-G Standard profile structure
-2 Adapter for driver: DrvGⅢ / DrvPⅢ series (UR5AP3/UR5BG3)
-C Driver current specification: Class C (approximately 40A)
-7 Positioning accuracy: ±7 arc seconds
-A Mechanical accuracy: Class A (face / radial runout ≤ 100 μm)
-4 Encoder resolution: 4 → 3,407,872 ppr (2²²)
-G Connector outlet direction: Bottom outlet (standard)
-Z With origin sensor (Z-phase)
-031 Cooling method: Natural cooling (03) + protection grade IP31
-03Z Connector specification: 03 → JST N5.5-4 connector + Z shielding / length
II. Core technical parameters (DR5B-030 standard)
1. Torque and speed
Rated torque: 30 N·m
Peak torque: 90 N·m (3 times rated)
Rated speed: 300 rpm
Maximum speed: 500 rpm (short time)
Torque constant: approximately 0.75 N·m/A
2. Encoder and accuracy
Type: Built-in magnetic absolute encoder
Resolution: 3,407,872 ppr (2²²)
Repetitive positioning accuracy: ±1 arc second
Positioning accuracy: ±7 arc seconds
Origin: Built-in Z-phase origin sensor
3. Electrical specifications
Phase: Three-phase
Rated voltage: 230 VAC
Driver compatibility: UR5BG3, UR5AP3 (DrvGⅢ/DrvPⅢ)
Insulation class: Class F
Protection grade: IP31 (body)
4. Mechanical and physical
Structure: External rotor, hollow shaft, flange installation
Hollow bore diameter: approximately 30 mm (DR5B-030 standard)
Rotational inertia: approximately 1.16 × 10⁻⁴ kg·m²
Allowable load inertia ratio: ≤ 15 times motor inertia
Weight: 14 kg
Shape: Disc-shaped flat, flange diameter approximately 290 mm, thickness approximately 100 mm
5. Environment and cooling
Cooling method: Natural cooling (no fan)
Operating temperature: 0～40°C
Humidity: 5%～90% RH (no condensation)
Vibration / shock: Complies with industrial standards
III. System integration and installation
Recommended driver: UR5BG3-040, UR5AP3-040 (40A class)
Communication: Supports EtherCAT, MECHATROLINK-Ⅲ, PROFIBUS
Installation: Panel / flange direct installation, no coupling / reducer required
Cable: Power + encoder composite cable, bottom outlet, JST N5.5-4 connector