TECHNOLOGY

One of the main advantages of the PMU is continuous current sensing and self-resetting function if the current exceeds a defined level. All output state, voltage, and current information can be logged and transmitted via a CAN bus to dash displays to inform drivers of potential problems.

An additional advantage of the PMU system is the ability to define logic for controlling outputs. This is done with data from analog input channels or CAN bus data, and math operations can be defined for each channel. The PMU is also equipped with LED indicators to show the status of each output.

With the use of CAN bus keypads or steering wheel switches, all wiring is vastly simplified and lightened.

Two unique features are the inbuilt accelerometer and gyro for logging and “inertia switch” in case of an accident.

The PMU is assembled according to IPC-S-815A standards to ensure product reliability. The device is manufactured on an automated assembly line with optical inspection, and automated testing (including burn-in). The PCB material and design, special surface coating and IP60 enclosure ensure reliability even in the harshest environments. Carefully selected components allow for continuous and reliable operation across a very wide temperature range (AECQ-100 GRADE 1 (-40 to +125˚C).

SPECIFICATION

GENERAL

Temperature range AECQ100 GRADE1 (-40 to +125˚C)

CPU 32 bits automotive, 90MIPS

Operating voltage 6-22V, immunity to transients according to ISO 7637

Enclosure IP 60, bespoke CNC machined aluminium

Size (mm) and weight(g) 131x112x32.5, 370g

Connectors 1 x 39 Automotive connector,

1 x M6 stud for battery connection

PC communication CAN (ECUMASTER USBtoCAN, PEAK CAN, KVASER)

OUTPUTS

High current outputs 10 x 25A(cont.), 6 x 15A(cont.) with overcurrent and overheating protection. Outputs may be paired to increase continuous current capability. Current and voltage is measured for each output

Total current output 150A continuous

Output current control step 100mA

Wipers output Dedicated output with wiper braking feature

+5V Monitored 5V, 500mA output for powering external sensors.

INPUTS

Analog inputs 16 inputs, 10 bit resolution, 0-5V (protected), with software selectable 10K Ohm pullup and pulldowns

CAN Keypads 2 x Ecumaster keypads (4, 6, 8, 12 keys)

OTHER

Output state indication 16 bicolour LEDs

Accelerometer/Gyroscope 3D accelerometer with 3D gyroscope for logging and crash detection

Real time clock Yes, super capacitor for backup power (up to 3 days)

CAN BUS

CAN interface 2 x CAN2.0 A/B

CAN standard CAN2.0 A/B – 125, 250, 500, 1000 kbps

Input/output stream User defined with bit masking,

up to 100 input messages

LOGGING*

Logging memory 256 Mbytes

Logging speed Variable, defined per channel, up to 500Hz

*Only in PMU-16 DL version.

FUNCTIONS

Logical operations AND, OR, NOT, XOR, >, <, =, >=, <=, !=, isTrue, isFalse, Toggle, Flash, Pulse

Number of functions 100

Number of operations 250

Update frequency 500Hz

Special functions Wipers, Indicators

WHAT’S IN THE BOX

1x ECUMASTER PMU16-DL Power Distribution Unit

1x 39pin connector and terminals

You will need a CAN interface e.g ECUMASTER CAN TO USB Adapter to communicate and program the unit (sold separately)

Price includes VAT and UK mainland postage