140CRA93100C

Modicon Quantum RIO Drop Adapter Module

Single‑Cable S908 RIO, 75Ω Coax, 1.544 Mbps

Conformal Coated for Harsh Environments

English Datasheet / User Manual (Full Version)

1. General Description

• Function: S908 RIO drop (slave) interface for Quantum I/O racks

• Coating: Conformal coated PCB (moisture/dust/salt spray resistance)

• Network: S908 (Quantum proprietary RIO), 1.544 Mbps

• Cable: 75Ω coaxial, single F‑type female elbow connector

• 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 (single segment, no repeaters)

• Compatibility: Quantum CPU RIO heads (140CRP93100 / 93200)

• Migration Note: For M580 → Quantum S908, use 140CRA31908 / 31908C

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 (Coated Enhanced)

• 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: Yes – protection against moisture, dust, salt spray, corrosive gases.

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

1. Power OFF Quantum rack.

2. Insert into any single‑slot position.

3. 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)

1. Add 140CRA93100C in Quantum hardware catalog.

2. Assign drop address (1–31) matching module switch.

3. Map I/O words (In/Out) to Quantum memory.

4. 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 (non‑coated), Quantum S908 RIO Drop (single coax)

• 140CRA93100C: Conformal coated (harsh environment), same function