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Mitsubishi Electric QX81
Mitsubishi MELSEC-Q Series Input
- MPN
- QX81
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- 12-month warranty (new) · 3-month (used/refurbished)
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What is the Mitsubishi Electric QX81?
The Mitsubishi Electric QX81 is a input in the MELSEC-Q Series. DC input, 32 points, 24 V DC 4 mA, response time: 1/5/10/20/70 ms, 32 points/common, negative common type, 37-pin D-sub connector. Mitsubishi Electric has announced its discontinuation (2029/09 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.
Specifications
Product
| Series | MELSEC-Q Series |
| Category | Input |
| Type | DC input (negative common) |
| Sales status | 2029/09 To be end of order (Mitsubishi Electric) |
| Outline | DC input, 32 points, 24 V DC 4 mA, response time: 1/5/10/20/70 ms, 32 points/common, negative common type, 37-pin D-sub connector |
Input specifications
| Input type | DC input (negative common type) |
| Number of input points | 32 points |
| Rated input voltage | 24 V DC (+20/-15 %, ripple ratio within 5 %) |
| Rated input current | Approx. 4 mA |
| ON voltage/ON current | 19 V or more/3 mA or more |
| OFF voltage/OFF current | 11 V or less/1.7 mA or less |
| Input resistance | Approx. 5.6 kΩ |
| Input response time: OFF to ON | 1 ms, 5 ms, 10 ms, 20 ms, 70 ms or less |
| Input response time: ON to OFF | 1 ms, 5 ms, 10 ms, 20 ms, 70 ms or less |
| Input common terminal arrangement | 32 points/common |
Common specifications
| Isolation method | Photocoupler |
| Dielectric withstand voltage | 560 V AC rms/3 cycles (altitude 2000 m) |
| Insulation resistance | 10 MΩ or higher by insulation resistance tester |
| Protection degree | IP2X |
| Operation indication | ON indication (LED) |
| External interface | 37-pin D-sub connector |
| External interface: Applicable connector | A6CON1E, A6CON2E, A6CON3E (sold separately) |
| Number of occupied I/O points | 32 points (I/O assignment: Input 32 points) |
| Internal current consumption (5 V DC) | 75 mA (TYP. all points ON) |
| External dimensions: Height | 98 mm |
| External dimensions: Width | 27.4 mm |
| External dimensions: Depth | 90 mm |
| Weight | 0.16 kg |
Specifications
| General specifications | Refer to the general specifications of the CPU module. |
Downloads & documentation
Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.
Data sheets & manuals
QX81: frequently asked questions
When can QX81 be shipped?
QX81 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up QX81 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for QX81 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for QX81, subject to availability and destination.
More Mitsubishi Electric (Factory Automation) parts
Mitsubishi Electric QX81Price and lead time confirmed within 1 business day
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