Car2548dc series dc-dc converters, Data sheet, Status register bit allocation – GE Industrial Solutions CAR2548DC series User Manual
Page 10
GE
Data Sheet
CAR2548DC series dc-dc converters
Input: -36Vdc to -75Vdc; Output: 48Vdc @ 2500W; 3.3Vdc or 5 Vdc @ 1A
December 6, 2013
©2013 General Electric Company. All rights reserved.
Page 10
Command
Hex
Code
Data
Field
Function
Vin_OV_fault_limit 55
2
Vin_OV_warn_limit 57
2
Set OV warn limit
Vin_UV_warn_limit
58
2
Set UV warn limit
Vin_UV_fault_limit
59
2
Set UV shutdown
Status_byte 78
1
Status_word 79
2
Status_Vout 7A
1
Status_Iout 7B
1
Status_input 7C
1
Status_temperature 7D
1
Status_CML 7E
1
Status_other
7F 1
Status_mfr_specific 80
1
Status_fan_1_2
81 1
Read_Vout 8B
2
Read
output
voltage
Read_Iout 8C
2
Read
output
current
Read_temperature 8D
2
Read
Temperature
Read_Pout
96 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)
Status Register Bit Allocation:
Register
Code Bit
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 Temperature
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