Introduction

The M580 safety power supply modules present two sets of derived data types (DDTs):

  • PWS_DIAG_DDT_V2 for diagnostics

  • PWS_CMD_DDT for commands

PWS_DIAG_DDT_V2

Byte Offset

Name

Type

Comment

0

Reserved

BYTE

1

Reserved

BYTE

2

PwsMajorVersion

BYTE

Power supply Major firmware version

3

PwsMinorVersion

BYTE

Power supply Minor firmware version

4

Model

BYTE

Model identifier

Model identifier:

  • BMXCPS4002S = 01

  • BMXCPS4022S = 02

  • BMXCPS3522S = 03

5

State

BYTE

Power supply state

6

I33BacPos

UINT

Measure current on 3.3V backplane line in nominal role (producer)

8

V33Buck

UINT

Measure voltage of 3.3V Buck

10

I24Bac

UINT

Measure current of 24V backplane line

12

V24Int

UINT

Measure voltage of 24V Int

14

Temperature

INT

Measure of Ambient Temperature

16

OperTimeMasterSincePO

UDINT

Operating Time as Master since last Power ON

20

OperTimeSlaveSincePO

UDINT

Operating Time as Slave since last Power ON

24

OperTimeMaster

UDINT

Operating Time as Master since Manufacturing

28

OperTimeSlave

UDINT

Operating Time as Slave Since Manufacturing

32

Work

UDINT

Work supplied since Manufacturing

36

RemainingLTPC

UINT

Remaining Life Time in percent

38

NbPowerOn

UINT

Number of Power ON since Manufacturing

40

NbVoltageLowFail

UINT

Number of failure detected on Primary Voltage by Low Threshold

42

NbVoltageHighFail

UINT

Number of failure detected on Primary Voltage by High Threshold

44

Reserved

UDINT

48

Reserved

UDINT

52

RemainingLTMO

UINT

Remaining Life Time in month

54

Reserved

BYTE

63

Reserved

BYTE

PWS_CMD_DDT

Byte Offset

Name

Type

Comment

0

Reserved

BYTE

1

Code

BYTE

Command code:

  • 1 = swap

  • 3 = clear

2

PwsTarget

BYTE

Power supply target: 1 for left& 2 for right& 3 for both

Power supply target:

  • 1 = left

  • 2 = right

3

Reserved

BYTE

15

Reserved

BYTE