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RIO3220 Remote I/O Expansion Module

EN 50155 Compliant Remote I/O Expansion Module for Railway Applications on Rail Vehicles.

• Passenger Vehicle Condition Based Monitoring.
• Heating Ventilation Air Conditioning (HVAC) Control Systems.
• Onboard controls for fire protection, power packs and doors.
• Locomotive Performance and Condition Monitoring.

• One Isolated RS485 port for connection with the Master Controller.
• 8 isolated Analogue Inputs. Configured as: 0-10V (Ch1... Ch2); 0-20mA (Ch3... Ch5); NTC Thermistor (Ch6... Ch8).
• Suitable for nominal battery voltages of 24VDC in accordance with EN 50155.
• Operating temperature range: -40°C to +70°C (+85°C for 10 minutes).
• Connections for RS485 via DB9 female connectors.
• Connections via cage clamp plug socket connectors.
• Conformal Coating.
• EN 50155 Compliant.

Environmental:

• Operating Temperature Range: -40°C to +70°C (EN50155 Class OT4).
• Switch-on Extended Operating Temperature Range: To +85°C (EN50155 Class ST1) for 10 min.
• Storage Temperature Range: -40°C to +85°C.
• Relative Humidity: 5% to 95% non-condensing.
• Shock and Vibration: EN 61373:1999 Category 1 – Class B.

Power Supply:

• Nominal Input Voltage: 24 VDC.
• Minimum Input Voltage: 14 VDC (EN50155 Class C1).
• Maximum Input Voltage: 36 VDC.
• Nominal Input Current: 150 mA.

Analogue Inputs:

• Number of Channels: 8. 
• ADC Digital Resolution: 12 bit.
• Absolute Maximum Overload: 40 V (referenced to AGND with no damage).
• Type of Inputs: Single ended.
• Type of Protection: Bidirectional TVS.
• Acquisition Time: 7 ms all channels.
• Channel Configurations: 0-10V (Ch1... Ch2), 0-20mA (Ch3... Ch5), NTC Thermistor (Ch6... Ch8).

Communications Ports:

• RS485 isolated port for connection with Master Controller: Three-wire RS485+, RS485-, GND.

Mechanical:

• Product Dimensions: 192mm x 94mm x 56mm.
• Enclosure Material: Aluminium with anodised screen printed lid.
• Weight: 0.340kg.

Ingress Protection (IP) Rating:

• IP20 (in accordance with EN 60529).

Reliability:

• MTBF: 1,937,984 hrs @ 40°C Standard: Telcordia SR-332 Issue 2 – Parts Count Method. 

Terminations:

• Plug/socket cage clamp connections (2.5 mm² max.) on a 5.08mm pitch.
• RS-485: DB9 Female.

Standards:

• EN 50155:2017 Railway Applications – Electronic Equipment used on Rolling Stock.
• EN 50121-3-2:2016 Railway Applications – Electromagnetic Compatibility Part 3-2: Rolling Stock – Apparatus.
• EN 61373:2010 Railway Applications Rolling Stock Equipment Shock and Vibration Tests.
• EN 45545-2:2013+A1:2015 Railway Applications – Fire Protection for Railway Vehicles. Part 2: Requirements for Fire Behaviour of Materials and Components.

Materials Compliance:

• REACH, ROHS, WEEE, EN45545-2.

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