
Protection
Protection Part Operation
SKF Multilog On
-Line System IMx-M
2 - 41
User Manual
CMM Circuit Faults
If any bit representation of a condition monitoring module circuit faults is not 0x0000,
then the protection module circuit fault relay will be triggered and the protection
module Circuit Fault LED will be indicating a circuit fault.
Table 2-15: Protection module diagnostics of CMM circuit fault – CM.
Protection Module Diagnostics of
Condition Monitoring Module Circuit Faults - CM
Bit
Representation*
Condition
Comments
0x0002
CF_RS485INT
Internal RS485 communication error. Event log storage is not
available.
- Check that condition monitoring module is firmly positioned.
-
Check the FW version
in use.
*Bit representation is in hexadecimal digits.
Bit Representation of Combined Conditions
Bit representations can be combinations of more than one condition. The following table
lists possible combinations in the form of triggered bits in hexadecimal.
Table 2-16: Bit representation of combined conditions.
Bit
represen
tation in
Hex
Triggered Bits
0x1000
0x1000
0x2000
0x2000
0x3000
0x2000, 0x1000
0x4000
0x4000
0x5000
0x4000, 0x1000
0x6000
0x4000, 0x2000
0x7000
0x4000, 0x2000, 0x1000
0x8000
0x8000
0x9000
0x8000, 0x1000
0xA000
0x8000, 0x2000
0xB000
0x8000, 0x2000, 0x1000
0xC000
0x8000, 0x4000
0xD000
0x8000, 0x4000, 0x1000
0xE000
0x8000, 0x4000, 0x2000
Bit
represen
tation in
Hex
Triggered Bits
0x0010
0x0010
0x0020
0x0020
0x0030
0x0020, 0x0010
0x0040
0x0040
0x0050
0x0040, 0x0010
0x0060
0x0040, 0x0020
0x0070
0x0040, 0x0020, 0x0010
0x0080
0x0080
0x0090
0x0080, 0x0010
0x00A0
0x0080, 0x0020
0x00B0
0x0080, 0x0020, 0x0010
0x00C0
0x0080, 0x0040
0x00D0
0x0080, 0x0040, 0x0010
0x00E0
0x0080, 0x0040, 0x0020