
Protection
Protection Part Operation
SKF Multilog On
-Line System IMx-M
2 - 39
User Manual
Relay Module Circuit Faults - RELM (Relay Master)
Bit representation* Condition
Comments
0x0400
RELMASTER_CF_DISARM
Backplane EEPROM status error:
Use the local display to update disarm status.
0x0800
0x1000
0x2000
0x4000
-
Not used
0x8000
CF_STARTUP
Indicated during startup phase.
*
Important:
- Bit representation is in hexadecimal digits.
- Bit representation can be a combination of more than one condition.
Example:
Bit representation of 0x036A is equal to 0x0002 CF_RS
0x0008 CF_SE
0x0020 C
0x0040 C
0x0100
0x0200 CF_TEMP
Refer to Bit Representation of Combined Conditions.
Table 2-14: Relay module circuit faults - RELS0 to RELS7.
Relay Module Circuit Faults - RELS0 to RELS7 (Relay Slaves 0 to7)
Bit representation* Condition
Comments
(0x0000)
(No bit set)
CF_STATUS_OK
Normal. No errors.
0x0001
CF_CONFIG
User configuration dependent:
Check IMx-M configuration settings.
0x0002
CF_RS485INT
Internal RS485 communication error:
Check modules are firmly positioned.
Master and slave may have different firmware
version in use - check the current firmware version
in use (intd0) on both Master and slave.
0x0004
CF_CFG_MISMATCH
Configuration mismatch detected:
See "Protection Configuration Update" chapter.
0x0008
CF_SELFTEST
Check for self test errors during startup.
0x0010
CF_DOWNLOAD
Download ongoing.
0x0020
CF_RELBUS_S1
PRM 1, relay bus error:
Check configuration.
Check PRM 1 is firmly positioned.