Command and data value descriptions
7.3.3 D_IMC_R_ISO_WRN_THR
This data value represents the threshold that causes an insulation warning when the in-
sulation resistance is lower than this value.
Unit
kΩ
300 (for iso165C)
Default
400 (for iso165C-1)
Resolution
1
Range
40...2,000
7.3.4 D_IMC_MEAN_FACTOR
This data value represents the mean factor of the insulation resistance averaging
algorithm.
Unit
Number of measurements
Default
3
Resolution
1
Range
1...20
7.3.5 D_IMC_STATUS
This data value represents the internal status of the IMC.
Bit
Description
0
Insulation fault
1
Chassis fault
2
System failure
3
Calibration running
4
Self test running
5
Insulation warning
6
Reserved
7
Reserved
8
Reserved
9
Reserved
10
Reserved
11
Reserved
21
Status
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NotRunning
1 = Running
0 = NotRunning
1 = Running
0 = NoWarning
1 = Warning
Command and data value descriptions
Bit
Description
12
Reserved
13
Reserved
14
Reserved
15
Reserved
7.3.6 D_IMC_STATUS_EXT
This data value represents device-internal IMC self-test results.
Bit
Description
0
Calibration parameter
1
Hardware failure
2
EEPROM parameter
3
FLASH parameter
4
RAM Parameter
5
Stack overflow
6
Reserved
7
Parameter value
8
Test pulse voltage/ARef
9
Voltage level (+12 V)
10
Voltage level for -12V
11
FuseBits valid/invalid
12
HV1 voltage
13
HV2 voltage
14
Manufacturer string valid/invalid
15
Reserved
Status
Status
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Overflow
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
0 = NoError
1 = Error
iso165C_D00154_03_M_XXEN/01.2019
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