TDK-Lambda TPF45000-385, Operation Manual

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TPF45000-385
POWER SUPPLY
OPERATION MANUAL
16
3 February 2022

READ_STATUS
This Command is used to read the status of the TPF45000-385. The Status information is stored in a special register called
the “STATUS REGISTER”
The Status reports 6 different types of Faults and Warnings.
Command Used Type #Data bytes
D0h Read Word
1
Fault is indicated by “1”. No fault is indicated by”0”.
Faults Type
Bit # in
Status
Register
Meaning
Output
behavior
ON/OFF
FAULT
0
Global Output Enabled/Output
Disabled
Output ON or
OFF
OTW WARNING
1
Internal temperature ~ 10°C below OTP
limit.
Output ON
OTP FAULT
2
Internal temperature higher than safe
limit
Output OFF
DCOK WARNING
3
Output Voltage < 85~95% of Set Vout
on one or more modules
Output ON or
OFF
PHASEOK WARNING 4 One Input Phase Low or Out Output ON
FANOK
FAULT/WARNING 5
Fan is rotating slow or Stopped
Output ON
ENA
WARNING
6
Module Output Enabled/Output
Disabled
ERROR
WARNING 7 I
2
C Error Output ON
Table 13