K2 - 16 Safe Digital Inputs for d-SC

MH50C duagon SAFE CONTROL System (d-SC) Controller for Rolling Stock, with F75P Safe CPU, RT Ethernet and I/O Boards

KT8 Safe d-SC Remote I/O Box, SIL 4, Configuration Example

MA50C AAR IP65 duagon SAFE CONTROL System (d-SC) Controller for Rolling Stock, with F75P Safe CPU, RT Ethernet and I/O Boards

TÜV certificate menTCS safe 06K002-10 and PACY Handler for QNX

Digital Inputs for d-SC

The K2 is a safe digital input card for use in the duagon SAFE CONTROL (d-SC) System. The d-SC platform performs safe train control functions in rolling stock applications like Automated Train Protection (ATP) or CBTC (Communications Based Train Control). It usually consists of a controller system, e.g., MH50C, and safe remote I/O boxes, e.g., KT8. The K2 can be plugged into any of these systems, with one card providing 16 safe digital inputs.

Safe Communication (EtherCAT and FSoE)

d-SC I/O boards are EtherCAT slave devices, connected to the host via a backplane EBUS link. On top of EtherCAT, a safety layer called FSoE (Fail Safe Over EtherCAT) provides safe real-time Ethernet communication between the host system and the I/O board.

Made for Rail I/O Functions

The K2 inputs are voltage sensitive and are typically connected to digital outputs of other systems or to relay contacts. The I/O card provides functional safety: it enters the safe state if it detects an error. Front I/O is connected via a 24-pin PCB plug for fast installation thanks to reduced wiring.

Safety-Certified

The K2 is certified to CENELEC standards EN 50128 and EN 50129. The board is developed in a SIL 4 process according to EN 50128 and EN 50129. The systematic capability of the K2 is SIL 3 according to IEC 61508. However, to control a SIL 4 function according to EN 50128 and EN 50129 or SIL 3 function according to IEC 61508, the system design must provide a second K2 input board or another separated way to evaluate the status of the external signal. All d-SC I/O components come with dedicated certification packages from T&UumlV S&UumlD, reducing the integrator's certification effort and risk, and resulting in lower integration costs.

EN 50155 Rolling Stock Compliance

Being usable in all types of different trains optimizes the card's interoperability. It supports operating temperatures of -40 &degC to +85 &degC according to EN 50155. Standard boards include conformal coating. With full EN 50155 compliance and long-term availability on the market of 10 years minimum from the start of series production, the K2 is a rail-ready I/O component. If required, the K2 can also comply to Railways (Wayside) standard EN 50121-4 and Industrial standard EN 61000-4-5 by connecting an external EMC suppressor circuitry.

Safe Software Concept

All d-SC components are supported by certified QNX BSP and driver software. Application software accesses the K2 via the PACY software framework (Process Data Framework for Cyclic Applications). Its API allows the application to control and monitor all features of the K2.

16 digital inputs, 24 V, 48 V, 72 V, 96 V, 110 V
1 to 10 mA, pulsed
Optical isolation from other cards
Fail-safe board architecture
Certified to EN 5012x (SIL 2/4), EN 50159, IEC 61508 (SIL 2/3)
Developed acc. to EN 50129, EN 50128, IEC 61508
Extensive supervision functions
EN 50155 fully compliant
-40 °C to +85 °C
Conformal coating

Digital Inputs

16 channels
Input voltage
- 24 V, 48 V, 72 V, 96 V, 110 V nom. (EN 50155)
Input current
- 1 mA to 10 mA, pulsed
Switching threshold relative to reference voltage
Programmable input filter

Interfaces

Digital I/O
- 1x 24-pin PCB plug
- 16x digital input
Ethernet
- 2x Real-Time Ethernet, ETG.1000 EBUS EtherCAT, backplane
d-SC FSoE
- Slot ID and chassis ID for unique FSoE address, backplane
Status LEDs
- Binary channel status, one LED per channel
- I/O error
- FSoE activity
- Real-time Ethernet error
- Real-time Ethernet state indication

Supervision and Control

Safe supervisor

Check for overvoltage, undervoltage, excess temperature
Watchdog
Monitor self-test
Clock monitoring

Backplane Standard

ETG.1000 EBUS

Electrical Specifications

Supply voltage
- +12 V (10.8 to 13.2 V)
Power consumption
- 1.6 W typ.
- 2.6 W max.

Mechanical Specifications

Dimensions
- 100 mm x 100 mm, 4 HP
Weight
- 202 g (model 06K002-10)
Cooling concept
- Air-cooled, airflow 0.5 m/s

Product Compliance: Rail - Wayside Safety Related or Close to the Track

Compliance level: The product is tested and qualified on product model level. Compliance varies between different product models.
Operating temperature: -40 °C to +70 °C (EN 50125-3:2003, class T2, cubicle, with class T2 maximum extended by 5 °C)
Storage temperature: -40 °C (EN 60068-2-1:2007, Ab) to +85 °C (EN 60068-2-2:2007, Bb)
Altitude: +3000m max. (EN 50125-3:2003, class AX)
Humidity: 100 % RH max. (EN 50125-3:2003, shelter N.C.C., class T1/T2/TX) Non-condensing
Pollution degree: EN 50124-1:2017, class PD3
Overvoltage category: EN 50124-1:2017, class OV1
Shock: 11 ms @ 20 m/s² (EN 50125-3:2003, in a switch cabinet 1 m to 3 m from the track)
Vibration: 2.3 m/s² (EN 50125-3:2003, in a switch cabinet 1 m to 3 m from the track)
Electrical safety
- EN 50124-1:2017
- EN 62368-1:2014 + AC:2015
EMC emission
- EN 50121-4:2016
- EN 61000-6-4:2007 + A1:2011
- EN IEC 61000-6-4:2019
EMC immunity: EN 50121-4:2016
Fire protection: for compliance to EN 62368-1:2014 + AC:2015 a fire enclosure is required

Product Compliance: Rail - Rolling Stock

Compliance level
- The product is tested and qualified on product model level. Compliance varies between different product models.
- The product is prepared for use in EN 50155 systems. Some parameters are system-dependent and are specified on system level.
Operating temperature: -40 °C to +70 °C, +85 °C for 10 min (EN 50155:2021, class OT4, ST1)
Rapid temperature variations: EN 50155:2021, class H1, no requirements
Storage temperature: -40 °C (EN 50155:2021) to +85 °C (EN 60068-2-2, Bb)
Altitude: +3000 m max. (EN 50125-1:2014, class AX)
Pollution degree: EN 50124-1:2017, class PD2
Overvoltage category: EN 50124-1:2017, class OV1
Humidity: +55 °C and +25 °C, 100 % RH max. (EN 50155:2021)
Shock: 30 ms @ 50 m/s² (EN 61373:2010/AC:2017-09, vehicle body, cat. 1, class B)
Vibration: 10 min @ 2.02 m/s² (functional) and 5 h @ 11.44 m/s² (long-life) (EN 61373:2010/AC:2017-09, vehicle body, cat. 1, class B, double acceleration)
Electrical safety
- EN 50155:2021
- EN 50153:2014 + A1:2017 + A2:2020
- EN 50124-1:2017
- EN ISO 13732-1:2008
Fire protection: EN 45545-2:2020, EL9, HL3
EMC emission: EN 50121-3-2:2016 + A1:2019
EMC immunity: EN 50121-3-2:2016 + A1:2019
Protective coatings: EN 50155:2021, class PC2 (Any PCB protected on both sides)
Useful life: 20 years (EN 50155:2021, class L4)

Reliability

MTBF

703 682 h @ 40°C according to IEC/TR 62380 (RDF 2000) (model 06K002-10)

Functional Safety

Certifiable to SIL 2 with single channel according to EN 50129
Certifiable to SIL 4 with dual channel according to EN 50129
Hazard rate (HR=PFH) for safety functions <= 7E-8 / h (single card configuration)
SIL 2 according to IEC 61508 with single channel (HFT=0)
SIL 3 according to IEC 61508 with dual channel (HFT=1)
SFF > 92% according to IEC 61508
Board maintains safe state after a failure

Software Support

PACY (Process Data Framework for Cyclic Applications)
QNX

06K002-10: 16 digital inputs, SIL 2 (SIL 4), -40 °C to +85 °C qualified, conformal coating

19MH50CB0

The MH50C is a build-to-order system which is delivered with an example operating system image. The image contains a non-safe standard QNX operating system.

The product consists of the 40 HP basic system including backplane and mounting rails and provides:

- 1 slot for PSU

- 1 CompactPCI PlusIO slot for the CPU board

- 6 CompactPCI peripheral slots

- 1 CompactPCI peripheral slot reserved for F305

The barebone configuration comprises a number of standard, non-configurable components such as the PSU and CPU board. I/O boards are completely configurable. The Technical Data list all components that can be implemented in the system. Choose the functionality you need and contact duagon's sales team to verify which board combinations are feasible.

Details

19KT08-B0

The KT8 is a build-to-order system. It consists of the 40 HP basic system including backplane and mounting rails and provides:

- 1 slot for I/O head

- 8 d-SC I/O board slots

The barebone configuration comprises the standard I/O head component including the EtherCAT connection and PSU. I/O boards are completely configurable. The Technical Data list all components that can be implemented in the system. Choose the functionality you need and contact duagon's sales team to verify which board combinations are feasible.

Details

K2 - 16 Safe Digital Inputs for d-SC

Merkmale

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