cui.com

date 07/22/2015

│ page 9 of 19

CUI Inc

│ SERIES: PSE-3000 │ DESCRIPTION: AC-DC HOT-SWAP POWER SUPPLY

APPLICATION NOTES (CONTINUED)

PMBus™ Non-Standard Extended Command Subset

Remote On/Off (PMBus™Operation Command 0x01)

This command can be used to turn the unit on and off via the PMBus™ interface.

If D1 (REMOTE_ENABLE) is LOW (enabled) then the PMBus™ Remote On/Off function can turn the unit off and on. If D1

(REMOTE_ENABLE) is HIGH (disabled) then the PMBus™ Remote On/Off function cannot turn the unit on or off and can be

ignored.

The bit encoding of the data byte of the command is as follows.

Opcode

(HEX)

Command

Name

No. of

Bytes

Type

Read /

Write

Command Description

16

FIRMWARE_REVISION

4

Block

R

Read vendor specific firmware revision (ASCII string). Example

case “A100”

17

BUILD

4

Block

R

Read vendor specific Build (ASCII string)

20

AUXILIARY_VOLTAGE

2

Word

R

Provides the measured output auxiliary voltage of the power

module. (Divide decimal value by 100)

8D

READ_TEMPERATURE_4

2

Word

R

This command shall return a select component temperature used

by the power module, in degrees Celsius.

8E

READ_TEMPERATURE_5

2

Word

R

This command shall return a select component temperature used

by the power module, in degrees Celsius.

Bits [7:6]

Bits [5:4]

Bits [3:2]

Bits [1:0]

Unit State

00

XX

XX

XX

Off

01

XX

XX

XX

Off

10

00

XX

XX

On

10

01

00

XX

No change

10

01

11

XX

No change

10

01

01

XX

On

10

01

10

XX

On

10

10

01

XX

On

10

10

10

XX

On

10

10

11

XX

No change

10

11

XX

XX

No change

11

XX

XX

XX

No change

For more information, please visit the product page.