IOM5-1
May 12, 2026

IOM5-1

Description

1. Product Overview

The IOM5‑1 (DEIF A/S) is a high‑density, ruggedised 40‑channel I/O module designed exclusively for the AWC 500 advanced wind turbine controller. It integrates all common wind farm I/O signals into a single unit, providing direct interfacing with turbines’ sensors, actuators, and safety systems.
Built for harsh nacelle environments, the IOM5‑1 features full optical isolation, on‑board processing, and EtherCAT communication, ensuring reliable operation under wide temperature, vibration, and electrical noise conditions.
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2. Key Features

  • 40‑Channel Multi‑I/O: 26 inputs + 14 outputs for comprehensive wind turbine monitoring/control.

  • Universal Analogue Inputs: Software‑configurable for ±10 V, ±20 mA, or RTD (PT100) sensors.

  • Optical Isolation: Full galvanic isolation for all I/O channels (noise immunity & safety).

  • On‑Board Processor: Fast local sampling and scaling, reducing controller load.

  • EtherCAT Communication: High‑speed, real‑time data exchange with AWC 500.

  • Extended Temperature: –40°C to +75°C (–40°F to 167°F) for nacelle deployment.

  • LED Status Indicators: Tri‑colour RUN LED for EtherCAT state and module health.

  • Wind Turbine Certified: IEC 61400, DNV‑GL, CE, EMC compliant.


3. Technical Specifications

3.1 Electrical Ratings

ParameterSpecification
ModelIOM5‑1
System CompatibilityAWC 500 Wind Turbine Controller (EtherCAT)
Input Channels (26)
– Analogue Inputs (AI)4 × universal (±10 V / ±20 mA)
– Temperature Inputs (TI)6 × RTD (PT100, 3‑wire)
– Digital Inputs (DI)12 × optically isolated (24 VDC)
– Frequency/Digital Inputs (FI/DI)4 × pulse (0–10 kHz, 24 VDC)
Output Channels (14)
– Analogue Outputs (AO)4 × ±20 mA (12‑bit resolution)
– Digital Outputs (DO)10 × relay (250 VAC / 5 A)
Control Supply24 VDC ±20% (18–32 VDC), ≤12 W
Isolation2.5 kV AC (1 min) all I/O to bus
Resolution (Analogue)12‑bit (AI/AO)
Accuracy (Analogue)±0.15% FS @ 25°C

3.2 Environmental & Mechanical

ParameterSpecification
Operating Temperature–40°C to +75°C (–40°F to 167°F)
Storage Temperature–40°C to +85°C (–40°F to 185°F)
Humidity0–95% RH non‑condensing
Vibration2–13.2 Hz: ±1 mm; 13.2–200 Hz: ±1.0 g
EnclosureIP20 (front), IP00 (rear)
Dimensions (W×H×D)240 × 160 × 50 mm (6HE, double euro)
WeightApprox. 1.4 kg
Mounting19” DIN rack (AWC 500 nacelle cabinet)

4. Application Scope

  • Wind Turbine Control: Pitch control, yaw control, and hydraulic system monitoring.

  • Condition Monitoring: Vibration, temperature (gearbox, generator, bearings), and speed sensing.

  • Safety Systems: Emergency stop, overspeed protection, and fire alarm interfacing.

  • Power Quality: Grid voltage/current monitoring and reactive power control.

  • Remote Monitoring: SCADA data acquisition for wind farm operation.


5. Installation & Wiring

5.1 Installation Requirements

  1. Mounting: Install in an AWC 500 19” rack (vertical); ensure ≥50 mm clearance for ventilation.

  2. Environment: Avoid direct sunlight, moisture, corrosive gases, and excessive vibration.

  3. ESD Protection: Use an anti‑static wristband when handling the module (static‑sensitive components).

5.2 Module Addressing

  • EtherCAT Node Address: Set via AWC 500 software (1–31); no hardware switches.

5.3 Terminal Wiring (Simplified)

Terminal GroupDescriptionWire Gauge
Power

1–224 VDC (+/−)1.5 mm²
3Chassis ground (PE)2.5 mm²
Analogue Inputs (AI1–AI4)

4–7±10 V / ±20 mA1.0 mm²
Temperature Inputs (TI1–TI6)

8–19PT100 (3‑wire)1.0 mm²
Digital Inputs (DI1–DI12)

20–3124 VDC logic1.0 mm²
Frequency/DI (FI1–FI4)

32–350–10 kHz pulse1.5 mm²
Analogue Outputs (AO1–AO4)

36–39±20 mA1.5 mm²
Digital Outputs (DO1–DO10)

40–49Relay (NO/COM)2.5 mm²
Wiring Notes
  • AI Configuration: Use DEIF Utility Software to set AI type (voltage/current); no DIP switches required.

  • Shielded Cables: Use twisted‑pair shielded cables for analogue/frequency signals; ground shield at one end only.

  • Terminal Torque: Tighten terminals to 0.8–1.0 Nm to avoid loose connections.


6. Front Panel & Operation

6.1 Front Panel Layout

  • Tri‑Colour RUN LED (EtherCAT & Service State):

    • Off: INIT or no power.

    • Slow blinking green: Pre‑operational.

    • Slow blinking orange/red: Pre‑operational (module selected).

    • Single flash green: Safe‑operational.

    • Single flash orange/red: Safe‑operational (module selected).

  • EtherCAT Port: For connection to AWC 500 controller.

6.2 Startup & Configuration

  1. Power On: Apply 24 VDC; RUN LED lights (off → blinking green).

  2. EtherCAT Connection: Connect cable to AWC 500; LED blinks green (pre‑operational).

  3. Module Configuration: Use DEIF Utility Software to set AI type, scaling, and DO logic.

  4. System Recognition: AWC 500 detects IOM5‑1; LED flashes green (safe‑operational).

  5. Parameter Setup: Configure fault thresholds, filter settings, and safety interlocks.

  6. Operation: RUN LED single flash green = normal operation; I/O active per system logic.


7. Safety Precautions

  • High Voltage Hazard: Only qualified electricians may install/service; disconnect all power before wiring.

  • ESD Risk: Static electricity can damage the PCB; use anti‑static protection when handling.

  • Relay Output Caution: DO relays switch high voltages; ensure load ratings are not exceeded.

  • No Unauthorised Modification: Do not open the enclosure; tampering voids the warranty.

  • Environmental Limits: Do not operate outside –40°C to +75°C; avoid condensation.


8. Maintenance & Storage

8.1 Regular Maintenance (Every 6 Months)

  1. Visual Inspection: Check for loose terminals, damaged wiring, or corrosion.

  2. Cleaning: Wipe the front panel with a dry cloth; do not use liquid cleaners.

  3. LED Check: Verify RUN LED operates correctly per EtherCAT state.

  4. Channel Test: Use DEIF Utility Software to test AI/AO/DI/DO/FI accuracy and functionality.

  5. Cable Tightness: Re‑tighten terminals to 0.8–1.0 Nm.

8.2 Storage Guidelines

  • Condition: Store in original anti‑static packaging at 10–30°C, 30–70% RH.

  • Environment: Keep dry; avoid direct sunlight and extreme temperatures.

  • Duration: Shelf life ≤2 years; inspect for ESD damage before use if stored longer.


9. Troubleshooting

Fault PhenomenonPossible CauseSolution
RUN LED OffNo 24 VDC supply / blown fuseCheck power wiring; replace 3 A fuse
RUN LED Blinks Green ContinuouslyEtherCAT communication fault / wrong node addressVerify cable; check address in AWC 500
RUN LED Blinks Red/OrangeModule hardware fault / overvoltageCycle power; contact DEIF support
Analogue Input InaccurateSoftware config mismatch / noisy signalCorrect AI type in Utility Software; use shielded cables
Frequency Input No ReadingIncorrect voltage range / wiring faultVerify FI input voltage (24 VDC); check terminals 32–35
Digital Output Not ActivatingOverload / wiring faultCheck load; verify DO terminal connections

10. Warranty & Disclaimer

  • Model: IOM5‑1 High‑Flexibility 40‑Channel I/O Module.

  • Warranty Period: 24 months from delivery date under normal installation and use.

  • Warranty Exclusions: Damage from misuse, overvoltage, lightning, water ingress, or unauthorised modification.

  • Specifications Subject to Change: Manufacturer reserves the right to update specifications without prior notice.

  • Liability Limitation: Manufacturer is not liable for indirect or consequential damages.

  • Documentation Version: 1.0 (2026); latest manual available at www.deifwindpower.com.



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