PU6 - Power Supply Unit, 24 VDC, 100 W

3U 12 HP PSU

The PU6 is a plug-in power supply unit for 19" systems (e.g. VMEbus, CompactPCI) and is especially designed for computer systems in public transport vehicles, being fully compliant with EN 50155.

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PU6 3U 12 HP Power Supply Unit PSU, 24 VDC, 100 W

Main Features

3U, 12 HP, 19" rack mountable
Input 24 VDC nom. (16.8 to 30 V)
Max. input voltage range 14.4 to 33.6 V (according to EN 50155)
Output 3.3 V, 5 V, 12 V
Power 100 W
H15 DIN41612 plug connector (front and rear)
SMBus
External I/Os for key input function
Standby mode (1 W max.)
-40 to +85°C screened
Conformal coating
EN 50155 compliant (holdup time according to Class S2) (railways)

Technical Data

Microcontroller

Output voltage and temperature supervision (readable via SMBus)
Overtemperature and overvoltage shutdown
Communication with CPU
Watchdog functionality
Independent power supply for operation during standby mode (power consumption less than 1 W)

SMBus

Signals on back connector
Voltage level 3.3V
Controlled by CPU
Communication between the power supply unit and the CPU

Binary I/O

1 binary input
- Voltage level according to external power supply input voltage (max. 33.6 VDC)
- Electrically isolated
- External switch (key) with binary input
- Switch-on by key input or wake on time
- Switch-off by key input or software
- Status of binary inputs readable via SMBus
1 binary output
- Voltage level according to external power supply input voltage
- Isolated by relays
- User-specific functionality (controllable via SMBus)
- Maximum switching power: 60W (example 24V/2.5A)

Miscellaneous

DC/DC Converter
- Fuse-protected
Two status LEDs on front panel
- Green LED indicates correct input voltage
- Yellow LED indicates correct output voltage
Alternative power supply at the backplane for use as redundant PSU
Short circuit protection
Reverse polarity protection by internal protector

Input Characteristics

Nominal voltage input: 24 VDC
Wide input range: 0.7 x nominal voltage < nominal voltage < 1.25 x nominal voltage (according to EN50155)
- 16.8..30 VDC
Max. input voltage range: 0.6 x nominal voltage < nominal voltage < 1.4 x nominal voltage with full functionality for 0.1 s, no damage for 1 s (according to EN50155)
- 14.4..33.6 VDC
No load input power: < 1.6 W in standby mode

Output Characteristics

Output power (max.): 100W
Output power (min.): 5W
12V tolerance/overvoltage protection: ±5%
5V tolerance/overvoltage protection: +5%/-3%
3.3V tolerance/overvoltage protection: ±3%
Overtemperature shutdown: 50°..90°(adjustable by SMBus command)
Holdup time according to EN50155 Class S2

Connection

Input and output via DIN 41612 plug connector, type H15

Electrical Specifications

Isolation (according to EN50155)

Input/output: 1500VDC/1000V eff
Input/shield: 1500VDC/1000V eff
Output/shield: 1500VDC/1000V eff
Ground/shield: 1500VDC/1000V eff

Mechanical Specifications

Dimensions: 3U, 12HP, 128.4mm height
Integrated heat sink
Weight: 1.1 kg

Environmental Specifications

Temperature range (operation): -40..+85°C (no derating)
Temperature range (storage): -40..+85°C
Airflow: min. 10m³/h
Shock: according to EN60068-2-27
Continuous shock: according to EN60068-2-29
Vibration: according to EN60068-2-6
Protection
- Class of protection: Class II, EN 60950
- Degree of protection: IP20 (insert in rack), EN60529

MTBF

190,000+ h @ 40°C according to IEC/TR 62380 (RDF 2000)

EMC

Tested according to EN55022 (radio disturbance), EN61000-4-2 (ESD), EN61000-4-4 (burst) and EN61000-4-5 (surge)

Software Support

Driver software for SMB communication for Windows, Linux, VxWorks
For more information on supported operating system versions and drivers see Software.

Options

Mechanical Specifications

8HP model with smaller heat sink and derating tbd.

Ordering Information

Standard PU6 Models

17PU06-00

12HP, 100W, wide range input 24 VDC (16.8..30.0 VDC typ. and 14.4..33.6 VDC for 0.1sec), 12V, 5V and 3.3V output, -40..+85°C screened, conformal coating