MANI TESTERMANI TESTER

National Instruments NI 9401 8-Ch TTL Digital I/O Module C Series DSUB

Inspected in JapanShips from JapanTracked Express

Item Condition

Used, fully tested and operational. Self-test PASS, all channels verified.

Used item in good cosmetic condition. CompactDAQ chassis recognition confirmed, self-test PASSED. All 8 digital I/O channels (DIO0-7) tested and verified operational. Loopback test completed successfully. DSUB connector and backplane connector show no abnormalities. Module-only unit with no accessories included.

Operation Check

Comprehensive functionality testing completed in CompactDAQ chassis. Self-test: PASS. All 8 bidirectional digital I/O channels (DIO0-7) confirmed operational. Loopback test: PASS. Chassis recognition: confirmed. DSUB and backplane connectors inspected and verified normal. Module ready for immediate integration into CompactDAQ or CompactRIO systems.

Included Items

Main module only (NI 9401). No accessories, cables, or terminal blocks included. Serial Number: 16862A1.

Please check the photos for the included accessories.

Product Info

The NI 9401 is an 8-channel bidirectional digital I/O module designed for National Instruments CompactDAQ and CompactRIO chassis. Features 5V/TTL signal levels with 100ns continuous update rate, DSUB connectivity, and 60VDC CAT I channel-to-earth isolation. The eight DIO channels are grouped in two ports that can be independently configured for input or output. Ideal for implementing custom digital systems including counters/timers, digital communication protocols, pulse generation, and high-speed digital control applications. Compatible with LabVIEW FPGA for advanced programming. Manufactured in Hungary, 2011.

Specifications

BrandNational Instruments
MPN9401
ModelNI 9401
TypeDigital I/O Module
Number of Channels8
Signal Level5V/TTL
Update Rate100 ns
Channel DirectionBidirectional
ConnectivityDSUB
Isolation60 VDC CAT I Channel-to-Earth
Platform CompatibilityC Series
Compatible ChassisCompactDAQ, CompactRIO
Country of OriginHungary

We ship worldwide from Japan by DHL / FedEx express with a tracking number on every order.

  • Orders are dispatched Monday to Friday. Weekends and Japanese public holidays are not available because the carriers are closed.
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  • Every item is professionally packed with double-wall boxes and cushioning. Sensitive equipment is packed in anti-static material.
  • We do not mark merchandise values below value or mark items as gifts. Japanese, U.S. and international regulations prohibit this.

For buyers in the United States: This item is shipped with all duties prepaid (DDP). The applicable U.S. import tariff is already included in the item price — you will not be charged any additional duties or fees upon delivery.

For buyers outside the United States: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

Important - if a DDU shipment is returned to us: When an item ships with duties unpaid (DDU), the carrier will contact you to collect import charges and any clearance documents required. Please respond promptly. If the shipment cannot be delivered and is returned to us because import charges were left unpaid, or because the carrier's requests went unanswered, eBay's Money Back Guarantee does not cover an order that could not be delivered for these reasons. In that case we will refund the item price once the returned item reaches us, less the actual round-trip shipping and any return or customs charges billed to us by the carrier (at cost, documented). Please make sure you are able to receive the shipment before buying.

Returns are accepted under the return policy shown at the top of this listing, and every order is covered by eBay Money Back Guarantee.

  • If anything is wrong with your order, please message us first — we answer every message and will work with you until it is resolved.
  • Any damage caused in transit should be reported within 3 days of delivery, with photos of the item and the outer box.
  • Returned items must include all accessories and the original packaging.

We are a Japanese company specialising in used equipment sourced within Japan. Every unit is received, inspected and photographed by our own team in Niigata before it is listed — the photos in this listing are of the actual item you will receive.

Japanese equipment is typically kept in careful condition, and we describe exactly what we find, including any faults. If you have a question about this item or are looking for something we do not currently list, please feel free to contact us.

Inspected In-House

Checked and photographed by our own technicians before listing. What we find is what we write.

Packed for Transit

Double-wall boxes, cushioning and anti-static material for sensitive equipment.

Tracked Worldwide

DHL / FedEx express from Japan with a tracking number on every single order.