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K7 - 8 Safe Digital Outputs, Low-Side Switching for menTCS

SIL 2 to SIL 4 Modular Train Control System I/O Board

The K7 is a safe digital output card for the modular Train Control System (menTCS) focusing on SIL 1, SIL 2, SIL 3 and SIL 4 applications in rolling stock.

Product Comparison

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K7 safe I/O board with 8 binary outputs, low-side switching
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Main Features

8 digital outputs, 24 V, 48 V, 72 V, 96 V, 110 V
300 mA per channel, 1200 mA total
Low-side switch outputs (load to supply voltage)
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

Technical Data

Digital Outputs

Eight channels
Output voltage
- 24 V, 48 V, 72 V, 96 V, 110 V nom. (EN 50155)
- Voltage supplied from external source
Output current
- 300 mA max. per channel
- 1200 mA max. total
Output type
- Low-side switch outputs (load to supply voltage)

Front Interfaces

Digital I/O
- One 24-pin PCB plug
- Eight output channels
Status LEDs
- Binary channel status, one LED per channel
- I/O error
- FSoE activity
- Real-time Ethernet error
- Real-time Ethernet state indication

Rear Interfaces

EBUS
- Two real-time Ethernet channels, ETG.1000
menTCS FSoE
- Slot ID and chassis ID for unique FSoE address

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.
- 2.5 W max.

Mechanical Specifications

Dimensions
- 100 mm x 100 mm, 4 HP
Weight
- 196 g (model 06K007-10)

Environmental Specifications

Classification for railway applications
- EN 50155: Rolling stock, vehicle body
- EN 50125-3: Wayside, at least 1 m off the track inside a switch box, low temperature class T2 and high temperature class TX
Temperature range (operation)
- -40°C to +85°C (EN 50155, class TX)
Temperature range (storage): -40°C to +85°C
Cooling concept
- Air-cooled, airflow 0.5 m/s
Humidity
- EN 50155: Rolling stock, vehicle body
Vibration/Shock
- EN 50155: Rolling stock, vehicle body class B
Altitude: -300 m to +3000 m
Pollution degree: PD 2

Reliability

MTBF
- 750 952 h @ 40°C according to IEC/TR 62380 (RDF 2000) (model 06K007-10)
Useful life: 20 years

Safety

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 <= 3E-9 / 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 > 99% according to IEC 61508
- Board maintains safe state after a failure
Electrical Safety
- EN 50155: Rolling stock, vehicle body
Flammability (PCBs)
- UL 94 V-0
Fire Protection
- EN 45545-2, hazard level HL1 to HL3

EMC

EN 50155: Rolling stock, vehicle body

Software Support

PACY (Process Data Framework for Cyclic Applications)
QNX

Ordering Information

Standard K7 Models

06K007-10

8 digital outputs, low-side switching, SIL 2 (SIL 4), -40..+85°C qualified, conformal coating

Related Hardware

06K001-10

K1 - 8 Safe Digital Outputs, High-Side Switching for menTCS

8 digital outputs, high-side switching, SIL 2 (SIL 4), -40..+85°C qualified, conformal coating

Details

06K002-10

16 digital inputs, SIL 2 (SIL 4), -40..+85°C qualified, conformal coating

Details

Certification Packages

23K000-00

Base Safe I/O HW/SW Bundle Certification Documentation Package (EN 50128 & EN 50129 and IEC 61508) including 90 h support

Details

23K000-01

Base Safe I/O evaluation document package (EN 50128 & EN 50129 and IEC 61508), providing information for design-in, not for certification.

Details

23K007-00

K7 Safe Digital Outputs HW/SW Bundle Certification Documentation Package (EN 50128 & EN 50129 and IEC 61508)

Details

23K007-01

K7 Safe Digital Outputs HW/SW Bundle Evaluation Document Package (EN 50128 & EN 50129 and IEC 61508), providing information for design-in, not for certification.

Details