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NDS-501B

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NIKKI NDS-501B is a single-axis Digital S-Pack positioning controller that executes stored-data, BCD parallel-input, or pulse-train positioning commands with incremental or absolute target selection.
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Technical specifications for NDS-501B

  • Manufacturer:
    NIKKI
  • Part Number:
    NDS-501B
  • Product Family:
    NIKKI
  • Product Type:
    Single-Axis Digital Positioning Controller
  • Stock:
    1
  • Controlled axes:
    1
  • Maximum positioning speed:
    300 kpps when the encoder-feedback multiplier is 2.4
  • Maximum command position:
    ±99,999,999
  • Control method:
    Software semi-closed loop
  • Stored positions:
    4 values in nonvolatile memory
  • Acceleration/deceleration:
    Linear or S-curve; 10 ms to 30 s
  • Power supply:
    5 VDC ±5%
  • Maximum current consumption:
    2.5 A
  • Dimensions:
    5.5 × 21.5 × 31.5 cm
  • Weight:
    2.5 kg
  • Tariff Code:
    8537109090
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Positioning Commands Installation Application
  • Single-axis incremental or absolute positioning
  • Stored-data, BCD parallel-input, digital-switch, or pulse-train commands
  • Rotary-encoder feedback with software semi-closed-loop control

NDS-501B is a NIKKI single-axis digital positioning controller designed for the Digital S-Pack positioning system.

It generates controlled positioning motion from several selectable command sources and applies linear or S-curve acceleration and deceleration while monitoring rotary-encoder feedback.

Before installation or replacement, verify the NDS-501B/BF suffix, command and feedback wiring, 5 VDC supply, mounting arrangement, switch settings, and stored machine parameters.

Availability, condition, price, and shipping time for NDS-501B are confirmed during quotation.

Verified resources and support links for NIKKI NDS-501B:

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Absolute positioning addresses a defined reference position
  • Incremental positioning applies movement relative to the current position
  • The command range extends to ±99,999,999 positioning units
  • Four target values can be retained in nonvolatile memory
  • Immediate target data can be accepted through the BCD parallel interface
  • Pulse-train operation is supported, with NDS-501BF specified above 100 kpps input
  • The controller requires a regulated 5 VDC ±5% supply rated for up to 2.5 A
  • Supplied brackets permit vertical or horizontal mounting
  • Connectors and brackets are excluded from the published 55 × 215 × 315 mm body dimensions
  • Stored-position indexing with four retained machine target values
  • Externally selected positioning from BCD or digital-switch commands
  • Pulse-train positioning synchronized to an upstream motion command source
Description
NDS-501B is a NIKKI single-axis digital positioning controller in the Digital S-Pack family.

The controller supports incremental and absolute positioning, software semi-closed-loop control, rotary-encoder feedback, linear or S-curve acceleration and deceleration, and stored-data, BCD parallel-input, or pulse-train commands.

Before installation or replacement, confirm the NDS-501B/BF variant, encoder and command interfaces, 5 VDC supply capacity, mounting orientation, switch settings, and the saved positioning parameters.
Alternative Names
NDS-501B NDS501B NDS 501B NIKKI NDS-501B NIKKI DENSO NDS-501B
Technical notes
NDS-501B is a one-axis Digital S-Pack controller. Verify the B/BF suffix, 5 VDC supply, encoder interface, switch settings, and saved targets before replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which positioning commands can NIKKI NDS-501B accept?
NDS-501B accepts four stored positions, internal or external digital-switch values, immediate BCD parallel data, or a pulse-train command. The selected method determines the required connector wiring and parameter settings.
Can NIKKI NDS-501B use both incremental and absolute targets?
Yes. NDS-501B supports incremental and absolute positioning. Confirm the intended mode before loading a target because the same numerical value produces different motion depending on the reference method.
What should be checked if NIKKI NDS-501B stops at the wrong position?
Verify encoder feedback, command wiring, positioning mode, scaling parameters, acceleration settings, mechanical backlash, and the programmed target before adjusting the controller.
When is the NDS-501BF variant required instead of NDS-501B?
The official manual directs users to NDS-501BF with the F/V unit when pulse-train input frequency exceeds 100 kpps. Confirm the nameplate suffix before replacing an installed controller.
How many target values can NIKKI NDS-501B retain without external switches?
NDS-501B stores four positioning values in nonvolatile memory. Record those values before replacement because a substitute controller must be configured with the machine-specific targets.
What power source must be checked before installing NIKKI NDS-501B?
The controller requires 5 VDC within ±5% and can draw up to 2.5 A. Confirm supply regulation, available current, polarity, and connector pin assignment before energizing it.
Can NIKKI NDS-501B be mounted in either orientation?
Yes. The official hardware specification permits vertical or horizontal mounting with the supplied brackets. Preserve the documented clearances and connector access shown in the installation drawings.