QJ71MB91 | Mitsubishi Protocol Module
Condition: New Original Packaging
Ellglble For 1-3 Business days Shipping
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All Parts Come with 12-Month Warranty
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The Mitsubishi QJ71MB91 represents a dedicated Modbus communication module meticulously engineered for MELSEC-Q Series PLCs. It masterfully facilitates the seamless integration of your PLC system with a broad spectrum of Modbus RTU and ASCII compatible devices; furthermore, its dual capability as both master and slave ensures highly versatile deployment across industrial networks via robust RS-232 and RS-422/485 interfaces.
| Parameter | Specification |
|---|---|
| Product Type | Modbus Interface Module |
| Series | MELSEC-Q Series |
| Supported Protocols | Modbus RTU, Modbus ASCII |
| Communication Interfaces | 1x RS-232, 1x RS-422/485 |
| Operating Modes | Master / Slave |
| Max. Transmission Speed | 115200 bps (total for 2 channels) |
| Max. Transmission Distance (RS-422/485) | 1200 m |
| Max. Number of Slaves (Master) | 32 per channel |
| Occupied I/O Points | 32 points |
| Internal Current Consumption (5V DC) | 0.31 A |
| Dimensions (W x H x D) | 27.4 mm x 98 mm x 90 mm |
| Weight | 0.20 kg |
| Conformance Standards | UL, cUL, CE (EMC, RoHS), KC (EMC), LR, NK, DNV, ABS, RINA, BV, UKCA |
Shipping
At itrustbot, we prioritize fast, reliable shipping to minimize your industrial automation downtime, with warehouse operations Monday-Friday (closed on national holidays). Most orders ship within 2–3 business days; some specific items have a 3–5 day lead time, and we’ll notify you promptly of any unexpected delays.
Free Standard Shipping is available for all non-rush/next-day orders (no minimum purchase). For expedited shipping, we use DHL, FedEx, and UPS for items under 150kg; sea freight or economical options are available for heavy/bulky equipment (contact us to arrange). A $100 flat fee + expedited carrier costs applies for rush orders, with same-day dispatch for orders placed before 3:00 PM EST.
Estimated delivery times (after dispatch): USA & Canada/UK & EU (3–7 business days); Australia & New Zealand (4–8 business days); Rest of the World (7–12 business days). Times are estimates only—carrier/customs delays may occur.
Return
Return Windows: Notify us within 30 days of delivery for wrong/defective items (our error); within 14 days for incorrect orders/unwanted items (customer error).
Return Conditions: Items must be unused, in original received condition, and in unopened original packaging. Opened factory boxes are non-returnable unless the item is defective (sealed boxes opened cannot be resold as new).
