Name: Mitsubishi HR531 CNC Communication Card – HR531C, BN634A922G51
Brand: MITSUBISHI
Price: 198.0 USD
Availability: InStock

Mitsubishi HR531C BN634A922G51 CNC communication card with AUX and RTBUS connectors

Mitsubishi HR531 CNC Communication Card – HR531C, BN634A922G51

In stock

• Testing Video Provided

$198.00 USD

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Delivery: Estimated 2- 6 business days delivery. See details

Returns: 14 days returns. See details

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The Mitsubishi HR531 is a CNC communication card used in MELDAS control units. The board shown is marked HR531C and BN634A922G51. AUX1 connects the operator panel or communication terminal, while AUX2 provides the I/O Link interface for exchanging data between NC units.

Product Specifications

Brand	Mitsubishi Electric
Model	HR531
Board Version Shown	HR531C
PCB Marking	BN634A922G51
Product Type	CNC communication card
Interfaces	AUX1 for the operator panel or communication terminal, AUX2 for NC-to-NC I/O Link, and RTBUS for the motherboard connection
Onboard Settings	I/O Link station selector and SW2 termination ON/OFF switch
Origin Marking	Made in Japan

Compatibility and Replacement

Mitsubishi documents the HR531C in the MELDAS M64 I/O Link configuration for the FCU6-MU011 control unit. For a replacement, compare the control unit model, board version, PCB marking, and connector layout with your existing card. The I/O Link station and termination settings depend on the machine configuration.

Send us your CNC control unit model and clear photos of the original board, including the model marking and switch positions. We can help verify the match before you order.

Testing, Shipping, and Warranty

We provide a test video before dispatch and free technical support. The board is packed in anti-static protective packaging.

Confirmed in-stock orders are typically dispatched within 1–2 business days. We ship worldwide via DHL, UPS, or FedEx and provide an estimated transit time with your quote.

New and refurbished units carry a 12-month warranty. Used units carry a 3-month warranty.

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