140CRA93100 Modicon Quantum RIO Drop Adapter Module Single‑Cable S908 RIO, 75Ω Coax, 1.544 Mbps English Datasheet / User Manual (Full Version) 1. General Description 140CRA93100 is a Quantum‑native S908 RIO drop adapter (remote I/O slave) for Modicon Quantum PLC racks. It connects the local I/O rack to the Quantum S908 RIO network via one 75Ω coaxial cable, supporting high‑speed, long‑distance distributed I/O. Function: S908 RIO drop (slave) interface for Quantum I/O racks Network: S908 (Quantum proprietary RIO), 1.544 Mbps Cable: 75Ω coaxial, single‑connector (F‑type female, elbowed) Capacity: Up to 27 I/O modules per drop Topology: Multidrop / daisy‑chain; up to 31 drops per RIO head Distance: Up to 1,500 m (without repeaters) Compatibility: Quantum CPU RIO heads (140CRP93100/93200) Migration Note: For M580 → Quantum S908, use 140CRA31908/31908C Part Number: 140CRA93100 Manufacturer: Schneider Electric Platform: Modicon Quantum (140 series) Module Type: S908 RIO Drop Adapter (Slave) Ports: 1 × S908 RIO (75Ω F‑coax, single cable) Power: Backplane 24 VDC Weight: ~0.51 kg Protection: Standard (non‑coated) MTBF: > 1,000,000 hours @ 30 °C 2. Electrical Specifications Backplane Voltage: 24 VDC (Quantum bus) Operating Range: 20 … 30 VDC Backplane Current: 600 mA Power Dissipation: 3 W Isolation: 500 VDC (coax center ↔ ground) Dynamic Range: 35 dB Fuse (Recommended): 1 A slow‑blow 3. Communication (S908 RIO) Protocol: S908 (Quantum proprietary RIO) Speed: 1.544 Mbps (fixed) Connector: 1 × F‑type female (elbowed), 75Ω Cable: 75Ω coaxial (Belden 9182 or equivalent) Topology: Multidrop / line (31 drops max) Max Distance: 1,500 m (single segment) I/O per Drop: Up to 128 In / 128 Out words Diagnostics: Startup/runtime checksum, RAM, address/data 4. Environmental Operating Temperature: 0 °C … +60 °C Storage Temperature: −40 °C … +85 °C Relative Humidity: 5% … 95% non‑condensing Altitude: ≤ 5,000 m Shock/Vibration: Industrial standard ESD: 4 kV contact / 8 kV air EMI: 10 V/m (80–2000 MHz) Conformal Coating: No 5. Physical & Mechanical Dimensions: Quantum single slot (57 × 122 × 52 mm) Mounting: Quantum backplane, hot‑swap capable LED Indicators: PWR (Green): Backplane power OK RUN (Green): Module active COM (Green Blink): S908 RIO communication ERR (Red): Fault (comm loss / config error / duplicate address) 6. Installation & Wiring 6.1 Mounting Power OFF Quantum rack. Insert into any single‑slot position. Latch and tighten screw. 6.2 S908 RIO Coax Wiring Use 75Ω coaxial cable (Belden 9182). Connector: F‑type female (elbowed) on module. Shield: Ground at RIO head end only. Termination: 75Ω at first/last drop. Address: Set drop address (1–31) via rotary switch on module. 7. Configuration (Unity Pro) Add 140CRA93100 in Quantum hardware catalog. Assign drop address (1–31) matching module switch. Map I/O words (In/Out) to Quantum memory. Download configuration to Quantum CPU. 8. Operation & LED Status PWR ON: Backplane power present. RUN Green: Module operational. COM Blinking: S908 RIO data exchange active. ERR Red: S908 link down / address conflict / config error. 9. Certifications CE (EN 55011, EN 61131‑2) UL 508, CSA C22.2 No.142 RoHS compliant Class I Div 2 (hazardous areas) 10. Ordering Information 140CRA93100: Standard, Quantum S908 RIO Drop Adapter (single coax) No coated version for this part number