140XBP00400C
May 23, 2026

140XBP00400C

140XBP00400C is a 4‑slot conformal coated backplane for Schneider Electric Modicon Quantum PLC. The C suffix stands for conformal coating, which protects the PCB against moisture, dust, chemicals, and corrosion — ideal for harsh industrial environments (chemical, water treatment, offshore, high humidity). It supports up to 4 Quantum modules (CPU, power, I/O, communication) and multi‑rack expansion via 140XBE series expanders.

Description

140XBP00400C is a 4‑slot conformal coated backplane for Schneider Electric Modicon Quantum PLC. The C suffix stands for conformal coating, which protects the PCB against moisture, dust, chemicals, and corrosion — ideal for harsh industrial environments (chemical, water treatment, offshore, high humidity). It supports up to 4 Quantum modules (CPU, power, I/O, communication) and multi‑rack expansion via 140XBE series expanders.

2. Key Features

  • 4 module slots: works with all standard Quantum CPU, I/O, comms, and bus modules

  • Conformal coated PCB: acrylic coating (UL 94 V‑0) for corrosion/humidity resistance

  • High‑speed 32‑bit backplane: 100 Mbps bandwidth, low latency

  • Integrated power distribution: +5 V logic, ±12 V I/O to each slot

  • Hot‑swap capable: insert/remove modules under power

  • Multi‑rack expansion: compatible with 140XBE10000 / 140XBE10000C

  • Robust construction: metal chassis, industrial vibration/noise immunity

  • Certifications: CE, UL, cUL; RoHS compliant

3. Technical Specifications

General

  • Model: 140XBP00400C

  • Type: 4‑slot conformal coated backplane

  • Slots: 4 (standard Quantum form factor)

  • Bus: 32‑bit high‑speed extension bus

  • Current draw: ~1400 mA (from rack PSU)

  • Power rails: +5 V (logic), ±12 V (I/O)

  • Weight: approx. 0.50 kg

  • Mounting: Quantum rack rails or panel‑mount kit

Environmental

  • Operating temperature: 0 °C to +60 °C

  • Storage temperature: −40 °C to +85 °C

  • Humidity: 10–95 % RH, non‑condensing

  • Altitude: ≤1,000 m (no derating)

  • Protection: IP20 (front); conformal coated (PCB)

  • Vibration: 10–150 Hz, 0.15 mm amplitude

  • Shock: 15 g, 11 ms half‑sine

  • Corrosion: salt mist & industrial gas resistant (coated)

Mechanical

  • Dimensions (W×H×D): 163 × 290 × 104 mm

  • Material: metal chassis, FR4 PCB with acrylic conformal coating

  • Connector: high‑density edge connector (module interface)

4. LED Indicators (on Modules, not Backplane)

  • PWR (Green): module power OK

  • RUN (Green): module active, backplane communication normal

  • FAULT (Red): module/backplane fault

  • LINK (Yellow): backplane data activity

5. Installation & Wiring

Rack Installation

  1. Align 140XBP00400C with Quantum rack rails.

  2. Slide in and secure with mounting screws (torque per specs).

  3. Insert modules into slots 1–4 until latched.

  4. Multi‑rack: connect backplane cables between 140XBP and 140XBE expanders.

Power & Grounding

  • Power: supplied by rack PSU; no direct user wiring

  • Ground: connect chassis to system earth ground

  • Cable routing: separate signal/power cables; shielded cables in high‑noise areas

6. Configuration (Unity Pro)

  1. Open Unity Pro V7.0+.

  2. In hardware config, add a 4‑slot rack and assign 140XBP00400C.

  3. Insert I/O modules into slots 1–4.

  4. Configure I/O addresses, diagnostics, fault handling.

  5. Download to CPU; backplane initializes automatically.

7. Operation & Diagnostics

Normal Operation

  • All module PWR/RUN ON, FAULT OFF

  • Stable power + communication to 4 slots

Fault Conditions

  • Module FAULT ON: check seating, connector, or module failure

  • No PWR: verify rack PSU and backplane voltage rails

  • Comm errors: inspect cables, expanders, grounding

Diagnostic Data

  • Backplane voltage status (+5 V, ±12 V)

  • Module presence/absence flags

  • Bus communication quality metrics

8. Maintenance

  • Monthly: inspect seating, LEDs, cables

  • Quarterly: check screw torque; clean connectors (compressed air only)

  • Semi‑annually: verify ground continuity and shield integrity

  • Replacement: if connectors damaged or corrosion present

9. Safety & Compliance

  • Qualified personnel only for installation/wiring/maintenance

  • Disconnect all power before servicing

  • For industrial control systems only; not for direct life‑safety apps without safety layers

  • Follow local codes and EMC guidelines

10. Compatibility

  • Quantum CPUs: 140CPU65150, 140CPU67160, 140CPU68060, 140CPU69060+

  • Expanders: 140XBE10000, 140XBE10000C

  • I/O modules: all standard Quantum digital/analog, safety, specialty modules

  • Racks: compatible with Quantum 12/14/16‑slot systems


140XBP00400 vs 140XBP00400C

  • 140XBP00400: standard (non‑coated), for clean/dry environments

  • 140XBP00400C: conformal coated, for harsh/corrosive environments


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