Industrial Automation Solution – MITSUBISHI QX524 BN634A636G51 | Melsec-Q Series
Where This Product Is Used
The MITSUBISHI QX524 (BN634A636G51) is a high-density digital input module from the Melsec-Q Series, engineered for demanding industrial environments. Typical deployment scenarios include:
- Automotive manufacturing lines – discrete signal acquisition from sensors, limit switches, and proximity detectors on body-welding and paint-shop conveyors.
- Food & beverage processing – hygienic-area machine monitoring where reliable 24 VDC I/O is required for filling, capping, and labelling stations.
- Semiconductor fab equipment – precise status feedback from pneumatic actuators and vacuum valves in cleanroom environments.
- Water treatment & utilities – remote I/O expansion in SCADA-controlled pump stations and filtration systems.
- Building automation & HVAC – integration with Melsec-Q CPU modules for centralized BMS control panels.
Technical Specifications
| Attribute | Value |
|---|---|
| Part Number | QX524 / BN634A636G51 |
| Series | Melsec-Q (MITSUBISHI Electric) |
| Module Type | Digital Input (DC Input) |
| Input Points | 32 points (16 points × 2 groups) |
| Rated Input Voltage | 24 VDC |
| Input Current | Approx. 4 mA / point |
| Isolation Method | Photocoupler |
| Response Time | 1 ms / 5 ms (selectable) |
| Operating Temperature | 0 °C to 55 °C |
| Weight | 1,220 g (module + base) |
| Connector Type | 40-pin connector (2 × 20) |
| Compatible CPU | Q00U, Q01U, Q02U, Q03UD, Q04UD, Q06UD, Q13UD, Q26UD and compatible |
Why Engineers Specify This Model
- High channel density – 32 isolated inputs in a single slim slot reduces rack space and wiring cost versus discrete relay modules.
- Selectable response time – 1 ms fast-response mode supports high-speed counting and vibration detection; 5 ms mode improves noise immunity on long cable runs.
- Photocoupler isolation – galvanic separation protects the CPU backplane from field-side transients and ground loops common in heavy-industry environments.
- Melsec-Q ecosystem compatibility – plug-and-play with existing Q-series racks, power supplies, and GX Works2/3 programming software; no additional driver required.
- Proven field reliability – MITSUBISHI Electric’s Melsec-Q platform has an established track record exceeding 20 years in global industrial installations.
Complete System Bill of Materials
For a fully operational Melsec-Q control node using the QX524, consider the following companion components:
- Q-series CPU module (e.g., Q06UDEHCPU)
- Q-series main base unit (e.g., Q38B / Q312B)
- Q-series power supply module (e.g., Q61P)
- 40-pin connector cable / terminal block (e.g., A6CON1 or A6TBY36-E)
- GX Works3 programming software license
- Ethernet communication module (e.g., QJ71E71-100) for SCADA integration
Compliance & Industry Standards
- CE Marking – EMC Directive 2014/30/EU & Low Voltage Directive 2014/35/EU
- UL Listed – UL 508 (Industrial Control Equipment)
- cUL Listed – CSA C22.2 No. 142
- RoHS Compliant – Directive 2011/65/EU
- IEC 61131-2 – Programmable Controllers: Equipment Requirements and Tests
Quality Assurance & Sourcing
Every unit offered through Konmask.com undergoes the following verification process before dispatch:
- Visual inspection for physical damage, corrosion, and counterfeit markings
- Label and date-code authentication against MITSUBISHI Electric manufacturer records
- Functional power-on test where applicable
- Anti-static packaging with humidity indicator card
- Traceable documentation available on request (test report, COO, packing list)
We source exclusively from authorised distributors and verified industrial surplus channels. All products carry a 90-day replacement warranty against manufacturing defects.
How to Source This Part
- Add to cart and proceed to checkout – we accept T/T bank transfer, PayPal, and major credit cards.
- Request a quote for volume orders (> 5 units) via support@konmask.com for preferential pricing.
- Lead time: In-stock units ship within 1–3 business days (DHL / FedEx / UPS international express).
- Export documentation: Commercial invoice, packing list, and CO available for customs clearance.
Application-Specific FAQ
Q: Is the QX524 compatible with the Q00JCPU entry-level CPU?
A: Yes, the QX524 is compatible with all Q-series CPUs including Q00J, Q00, Q01, and higher-performance models. Verify slot count against your base unit specification.
Q: Can I mix QX524 modules with QX40 (5 VDC input) modules in the same rack?
A: Yes. Melsec-Q racks support mixed I/O modules. Ensure your power supply module (e.g., Q61P) has sufficient capacity for the combined current draw.
Q: What cable assembly is recommended for the 40-pin connector?
A: MITSUBISHI recommends the A6CON1 (soldered) or A6CON2 (spring-clamp) connector kits, paired with shielded multi-core cable for runs exceeding 5 m in noisy environments.
Q: Is this module suitable for SIL-rated safety applications?
A: The standard QX524 is not SIL-certified. For functional safety requirements, refer to the MITSUBISHI Melsec-QS safety series (e.g., QX41-S2).
Q: Do you provide a datasheet or wiring diagram?
A: Yes. Contact support@konmask.com and quote the part number; we will supply the official MITSUBISHI technical documentation.
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