Car0812dc series dc-dc converter, Data sheet, Input: -36v – GE Industrial Solutions CAR0812DC Series User Manual
Page 12: Output: +12 v, Or 5 v, Status register bit allocation
GE
Data Sheet
CAR0812DC Series DC-DC Converter
Input: -36V
DC
to -75V
DC
; Output: +12 V
DC
@ 850W; 3.3V
DC
or 5 V
DC
@ 1A
April 23, 2013
©2013 General Electric Company. All rights reserved.
Page 12
Command
Hex
Code
Data
Field
Function
Status_CML 7E
1
Status_other 7F
1
Status_mfr_specific
80 1
Status_fan_1_2 81
1
Read_Vin
88
2
Read input voltage
Read_Vout 8B
2
Read
output
voltage
Read_Iout 8C
2
Read
output
current
Read_temperature 8D
2
Read
Temperature
Read_fan_speed_1 90
2
In
RPM
Read_fan_speed_2
91 2
In
RPM
Read_Pout 96
2
Read_Pin 97
2
PMBus revision
98
1
Mfr_ID 99
5
FRU_ID
Mfr_model 9A
15
Mfr_revision 9B
4
Mfr_location 9C
4
Mfr_date 9D
6
Mfr_serial 9E
15
Mfr_Vin_min A0
2
36V
(linear
format)
Mfr_Vin_max A1
2
75V
(linear
format)
Mfr_Iin_max A2
2
27A
(linear
format)
Mfr_Pin_max
A3
2
950W (linear format)
Mfr_Vout_min A4
2
10V
(linear
format)
Mfr_Vout_max A5
2
15V
(linear
format)
Mfr_Iout_max A6
2
71A
(linear
format)
Mfr_Pout_max
A7
2
850W (linear format)
Mfr_Tambient_max
A8
2
70C (linear format)
Mfr_Tambient_min A9
2
-10C
(linear
format)
User_data_00 B0
48
User memory space
User_data_01 B1
48
User memory space
FRW_revision D0
1
Ilimit_control_I
2
C D3
2
Ilimit set (1/100A)
Vout_control_ I
2
C D4
2
Vout set (1/512V)
Fan_duty_cycle D6
1
Duty_cycle in %
Fan_speed D7
1
Control in duty cycle
Vprog_ext D8
2
Read_Vout_ I
2
C E0
2
1/512V
Read_Iout_ I
2
C E1
2
1/100A
Read_TS_ I
2
C E2
2
Heat sink temp C
CMD_OFF_ I
2
C E3
2
01-OFF,
00-ON
OTF_limit_ I
2
C E4
2
OT fault limit C
OTF_recovery_ I
2
C E5
2
OT fault recovery C
DCOKHI_ I
2
C
E6
2
High OV fault (1/512V)
DCOKLO_ I
2
C
E7
2
Low OV fault (1/512V)
Fan1_speed_ I
2
C E9
2
RPM
Fan2_speed_ I2C
EA
2
RPM
Read_Vin_ I
2
C
ED
2
Vin (1/100V)
Read_Iin_ I
2
C EE
2
Iin
(1/100A)
Read_Pin_ I
2
C EF
2
Status Register Bit Allocation:
Register
Hex
Code
Data
Byte
Function
Status_Byte 78
7 Busy
6 DC_
OFF
5
Output OV Fault detected
4
Output OC Fault detected
3
Input UV Fault detected
2
Temp Fault/warning detected
1 CML
(communication
fault)
detected
0
None of Below
Status_word
(includes
Status_byte)
79
7 OV
Fault/Warning
detected
6
OC Fault/Warning detected
5 Input
Fault/Warning
detected
4
Mfr_specific register change
detected
3 DC_OFF
2
Fan Fault or Warning detected
1 Other
fault
0 Unknown
Status_Vout 7A
7
Vout OV Fault
6
Vout OV Warning
5
Vout UV Warning
4
Vout UV Fault
3 N/A
2 N/A
1 N/A
0 N/A
Status_Iout 7B
7
IOUT OC Fault
6 N/A
5
IOUT OC Warning
4 N/A
3 N/A
2 N/A
1 N/A
0 N/A
Status_input 7C
7 Vin
OV
Fault
6 Vin
OV
Warning
5 Vin
UV
Warning
4 Vin
UV
Fault
3 N/A
2 N/A
1 N/A
0 N/A
Status_temperature 7D
7
OT Fault
6
OT Warning
5 N/A
4 N/A
3 N/A
2 N/A
1 N/A
0 N
/A
Status_cml 7E
7
Invalid/Unsupported
Command
6 Invalid/Unsupported
Data
5
Packet Error Check Failed
4 Memory
Fault
Detected
3 Processor
Fault
Detected
2 Reserved
1
Other Communications Fault
0
Other Memory or Logic Fault