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The Mitsubishi QJ71MT91 is a q series communication module. The listed technical data shows 32 points (intelligent function module) I/O points, based on the manufacturer's datasheet. It is supplied by SHLY-PLC, an independent industrial-automation distributor: every unit is visually inspected and functionally checked before dispatch, held in ready stock and shipped worldwide for maintenance, spares and retrofit use. Share your application or existing part number and our team will confirm fitment and comparable in-stock alternatives.
Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications | |
| Identification | |
| Order Code | QJ71MT91 |
| Product Family | MELSEC-Q |
| Device Type | Network Communication Module |
| Other | |
| Function | Modbus/TCP master and slave communication |
| Interface | 100BASE-TX, RJ45 |
| Transmission Speed | 100 Mbps |
| Occupied I/O Points | 32 points (intelligent function module) |
| Base Unit Slots | 1 |
| Operating Temperature | 0 to 55 C |
| Humidity | 5 to 95% RH (non-condensing) |
| Mounting | Base unit mounted |
| Certification | UL, cUL, CE |
Model variants, options and firmware revisions can affect fitment. Before ordering the Mitsubishi QJ71MT91 q series communication module, share your existing part number or project requirements and our team will cross-reference comparable in-stock Mitsubishi units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
A: Each QJ71MT91 is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.
A: Orders are processed within 2-4 business days after payment confirmation. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.
A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.
QJ71MT91 · Technical reference data · Independently supplied by SHLY-PLC
| converted_model | QJ71MT91 |
| protocol | MODBUS/TCP master/slave |
| interface | RJ45 |
| transmission_speed | 100 Mbps / 10 Mbps (100BASE-TX/10BASE-T) |
| max_slaves | 64 |
| max_node_to_node_distance | 100 m |
| max_connections | up to 32 simultaneous |
| supported_functions | MBRW/MBREQ instructions, up to 253 bytes per instruction |
Source: datasheet / product page
Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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