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EIO3220+3020 Ethernet I/O Expansion Module

EN 50155 Compliant Ethernet 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.

• 10/100 Mbps Wired Ethernet in accordance with IEEE 802.3 via M12 D-Code connector.
• One RS232 serial communications port.
• One isolated RS485 serial communications port.
• 8 Digital Inputs individually isolated from adjacent channels. 2mA @ 110VDC.
• 8 isolated Analogue Inputs. Configured as: 0-10V (Ch1... Ch2); 0-20mA (Ch3... Ch5); NTC Thermistor (Ch6... Ch8).
• Suitable for nominal battery voltages of 110VDC in accordance with EN 50155. 
• Operating temperature range: -40°C to +70°C (+85°C for 10 minutes). 
• Connections for RS232 and 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 for 10 minutes (EN50155 Class ST1).
• Storage Temperature Range: -40°C to +85°C.
• Relative Humidity: 5% to 95% non-condensing.
• Shock and Vibration: EN 61373:2010 Category 1 – Class B.

Power Supply:

• Nominal Input Voltage: 110 VDC.
• Minimum Input Voltage: 66 VDC (EN50155 Class C1).
• Maximum Input Voltage: 154 VDC.
• Nominal Input Current: 13 mA. 

Digital Inputs:

• Number of Channels: 8.
• Type of Inputs: Current sinking (high-side switching).
• Switching Threshold (1 to 0, On to Off Transition) Min: 32V (factory default).
• Switching Threshold (0 to 1, Off to On Transition) Max: 40V (factory default).
• Input Current: 2 mA (12mA on contact closing).
• Fritting Current: 55mA peak (200μs time constant).
• Switching Time for Input Change, Minimum: 30 ms.
• Channel-to-channel isolation:
- Voltage withstand test: 1kV RMS 50Hz for 1 minute.
- Insulation resistance test: 500VDC for 1 minute.
• Channel-to-chassis isolation:
- Voltage withstand test: 1kV RMS 50Hz for 1 minute.
- Insulation resistance test: 500VDC for 1 minute.
• Channel-to-processor isolation:
- Voltage withstand test: 1kV RMS 50Hz for 1 minute.
- Insulation resistance test: 500VDC for 1 minute.

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:

• Ethernet: 10/100 Mbps IEEE 802.3.
• Non-isolated RS232 (TIA-232F): Five-wire with RxD, TxD, RTS and CTS signals.
• Isolated RS485 (TIA-485): Three-wire: A, B and SG. Isolated to 500 VAC.

Mechanical:

• Enclosure Material: Extruded Aluminium with Anodised Screen Printed Lid.
• Product dimensions: 223mm x 251mm x 63mm (with plug connectors installed)
• Weight: 1.2 kg.

Ingress Protection (IP) Rating:

• IP20 (in accordance with EN 60529).

Reliability:

• MTBF: 344,353 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.
• Ethernet: M12 D-Coded Female. 
• RS-232 and 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.

Programming:

• Linux “C” API’s. 
• iecTeso (ISaGRAF) IEC61131-3 Programmable.

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