BLIII-D30A

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The BLIII-D30A is a servo drive manufactured by Okuma. Part of the BL Servo Drives series, it is a 1-axis amplifier with a rated output power ranging from 0.8 to 1.5 kW. The unit features a servo processor board of type SVP II-D. It supports BL-MH51E-20 and other motor types.

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Wake Industrial Warranty

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Product Description:

The BLIII-D30A is a Servo Driver manufactured by Okuma. It is a high power drive with excellent control features. It belongs to the BL Servo Drives Series.

The BLIII-D30A servo drive features an integrated fan which maintains optimal operating temperature by dissipating heat generated during heavy use. It has a voltage setting of 5/10 V, etc which allows configuration of the analog command input voltage range and defines the input signal level needed for speed or torque commands from a CNC or controller. It comes with clearly marked ports and switch settings engraved which enhances user friendliness and reduces errors during setup and maintenance by making identification of functions and connections easy. It includes a usb or serial port (KB-232D) for parameter setup or firmware diagnostics which enables communication with PCs or control systems for configuring parameters. The module contains ventilation grids on the top and side for passive airflow which provides natural cooling by allowing air to circulate through the unit. Its professionally shielded cable connections indicate noise sensitive signal transfer and protect against electrical noise/interference, which is critical for maintaining accurate signal integrity in control systems.

The BLIII-D30A servo drive has a rack mountable unit design with bolt mounts which facilitates installation into industrial control cabinets or panels. It is a high power unit with approximately 50–60 cm in length. It is featured with main connectors such as CN1 (XB-BLD1), CN2 (XB-BLD2), CN3 (XB-BLD3) on the right side which allows up to 3 motor connections and typically includes encoder signals and power leads. To optimize system response and minimize overshoot or lag it has two blue potentiometers which allow fine manual tuning of control loops.

Applicable Wire
2.0 mm² or over
Control Board
SVCII
Current Command Signal Components
CLK, SER DATA, STROBE
Frequency
50/60 Hz
Input Power (control Circuit)
85-125V AC
Input Power (main Circuit)
180-240V AC
Max. Applicable Output Torque Command
10 V/(torque limit)
Maximum Input Current
25A
Mechanical Dimensions
482 mm (width) x 123 mm (height)
Mounting Hole Dimensions
450 mm width x 17.72 inches
Rated Output Power
0.8 to 1.5 kW
Servo Processor Board
SVP II-D
Supported Motor Types
BL-MH51E-20, BL-MH101E-12, BL-MS50E-20
Unit Configuration Type
Control Boards Connected to a Power Unit
Unit Type
1-Axis Amplifier

Frequently Asked Questions about BLIII-D30A:

Q: How does the integrated fan improve the performance of the BLIII-D30A servo drive?

A: The fan ensures continuous airflow, preventing heat buildup during extended use. This prolongs the drive’s operational life and improves thermal stability.

Q: Why is the KB-232D USB/serial port useful in the BLIII-D30A model?

A: It allows quick diagnostics and parameter tuning without disassembly. This makes troubleshooting and configuration much faster on the BLIII-D30A.

Q: How do shielded cables benefit the signal integrity of the BLIII-D30A servo drive?

A: Shielded cables reduce electromagnetic interference, preserving accurate signal transmission. This is vital for stable motor response in the BLIII-D30A.

Q: Why is the drive's DIP switch configuration critical for motor control setup?

A: It allows precise hardware-level customization for motor parameters. This ensures compatibility with different motor types and operational needs.

Q: What is the advantage of having multiple motor connectors like CN1 to CN3 in BLIII-D30A?

A: These connectors enable control over multiple axes or devices from a single unit. It reduces wiring complexity and system cost.


Internal Product Review

  • ‘‘The Okuma BLIII-D30A servo drive delivers excellent thermal management with its dense aluminum heatsink and integrated cooling fan. It supports up to three motor connections via CN1–CN3 ports. With adjustable potentiometers, voltage setting options, and a USB/serial diagnostic port, the BLIII-D30A ensures flexible and reliable motor control.’’

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