GE Industrial Solutions CP2725AC54TE - Manual (Page 15)

GE
Data Sheet
CP2725AC54TE CPL High Efficiency Rectifier
100-120/200-277V
AC
input; Default Outputs: ±54V
DC
@ 2725W, 5V
DC
@ 4W
January 30, 2014 ©2013 General Electric Company. All rights reserved. Page 15
Read input string (DCh) : Reads back the input voltage and
input power consumed by the power supply. In order to
improve the resolution of the input voltage reading the data is
shifted by 75V.
1 7 1 1 8
S Slave address Wr A Command Code 0xDC
1 1 7 1 1
A Sr Slave Address Rd A
8 1 8 1
Byte Count = 4 A Voltage A
8 1 8 1 8 1 1
Power - LSB A Power - MSB A PEC No-ack P
Read_firmware_rev [0 x DD]: Reads back the firmware
revision of all three µC in the power supply.
1 7 1 1 8 1
S Slave address Wr A Command Code 0xDD A
1 1 7 1 1 8 1
A Sr Slave Address Rd A Byte Count = 4 A
8 1 8 1
Primary micro revision A DSP revision A
8 1 8 1 1
I2c Micro revision A PEC No-ack P
For example; the read returns one byte for each device (i.e. 0 x
002114h ). The sequence is primary micro, DSP, and I
2 C micro.
0x00 in the first byte indicates that revision information for the
primary micro is not supported. The number 21 for the DSP
indicates revision
2.1, and the number 14 for the i2c micro
indicates revision 1.4.
Read_run_timer [0 x DE]: This command reads back the
recorded operational ON state of the power supply in hours.
The operational ON state is accumulated from the time the
power supply is initially programmed at the factory. The power
supply is in the operational ON state both when in standby and
when it delivers main output power. Recorded capacity is
approximately 10 years of operational state.
1 7 1 1 8 1
S Slave address Wr A Command Code 0xDE A
1 7 1 1 8 1
Sr Slave Address Rd A Byte count = 4 A
8 1 8 1 8 1
Time - LSB A Time A Time - MSB A
8 1 1
PEC No-ack P
Fan_speed_set (DFh) :
This command instructs the power
supply to increase the speed of the fan. The transmitted data
byte represents the hex equivalent of the duty cycle in
percentage, i.e. 100% = 0 x 64h. The command can only
increase fan speed, it cannot instruct the power supply to
reduce the fan speed below what the power supply requires
for internal control.
Fan_normal_speed (E0h): This command returns fan control
to the power supply. It does not require a trailing data byte.
Read_Fan_speed (E1h) : Returns the commanded fan speed in
percent and the measured fan speed in RPM from the
individual fans. Up to 3 fans are supported. If a fan does not
exist (units may contain from 1 to 3 fans), or if the command is
not supported the unit return 0x00.
1 8 1 8 1
S Slave address Wr A Command 0xE1 A
1 8 1 8 1
Sr Slave address Rd A Byte count = 5 A
8 1 8 1 8 1 8 1
Adjustment % A Fan-1 A Fan-2 A Fan-3 A
8 1 1
PEC NA P
Stretch_LO_25ms (E2h) :
Command used for production test
of the clock stretch feature.
None supported commands or invalid data: The power
supply notifies the MASTER if a non-supported command has
been sent or invalid data has been received. Notification is
implemented by setting the appropriate STATUS and ALARM
registers and setting the SMBAlert# flag.
Fault Management
The power supply records faults in the STATUS and ALARM
registers above and notifies the MASTER controller as
described in the Alarm Notification section of the non-
conforming event.
The STATUS and ALARM registers are continuously updated
with the latest event registered by the rectifier monitoring
circuits. A host responding to an SMBusALERT# signal may
receive a different state of the rectifier if the state has changed
from the time the SMBusALERT# has been triggered by the
rectifier.
The power supply differentiates between internal faults that
are within the power supply and external faults that the
power supply protects itself from, such as overload or input
voltage out of limits. The FAULT LED, FAULT PIN or i2c alarm is
not asserted for EXTERNAL FAULTS. Every attempt is made to
annunciate External Faults. Some of these annunciations can
be observed by looking at the input LEDs. These fault
categorizations are predictive in nature and therefore there is
a likelihood that a categorization may not have been made
correctly.
Input voltage out of range: The Input LED will continue
blinking as long as sufficient power is available to power the
LED. If the input voltage is completely gone the Input LED is
OFF.