SLDM-06D1Ax

31

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Rev. AC

54. READING THE STATUS OF THE MODULE USING THE PMBUS

The SLDM-06D1Ax module supports a number of status information commands implemented in PMBus. However, not all features are supported

in these commands. A 1 in the bit position indicates the fault that is flagged.

STATUS_BYTE : Returns one byte of information with a summary of the most critical device faults.

Bit Position

Flag

Default Value

7

X

0

6

OFF

0

5

VOUT Overvoltage

0

4

IOUT Overcurrent

0

3

VIN Undervoltage

0

2

Temperature

0

1

CML (Comm. Memory Fault)

0

0

None of the above

0

STATUS_WORD : Returns two bytes of information with a summary of the module’s fault/warning conditions.

Low Byte

Bit Position

Flag

Default Value

7

X

0

6

OFF

0

5

VOUT Overvoltage

0

4

IOUT Overcurrent

0

3

VIN Undervoltage

0

2

Temperature

0

1

CML (Comm. Memory Fault)

0

0

None of the above

0

High Byte

Bit Position

Flag

Default Value

7

VOUT fault or warning

0

6

IOUT fault or warning

0

5

X

0

4

X

0

3

POWER_GOOD# (is negated)

0

2

X

0

1

X

0

0

X

0