
Protection
Modbus
SKF Multilog On
-Line System IMx-M
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User Manual
Register "Slot Status 1" Bit Definition
Important - System status 1 (register 57) must be evaluated continuously to
ensure the validity of Modbus data.
Table 2-34: Register “Slot status 1” bit definition.
Register "Slot Status 1" Bit Definition
Bit representation*
Description
(0x0000)
(No bit set)
Slot armed
0x0001
Slot disarmed
1 = Slot is disarmed
0 = Slot is armed
0x0002
Slot circuit fault
1 = Slot has circuit faults detected
0 = Slot has no circuit faults detected
0x0004
Slot internal communication error
1 = Modbus data is not valid
(1)
0 = Modbus data is valid
(1) Bit is triggered by the following Circuit Fault bits on any of the PRM slaves - CF_RS485INT,
CF_CFG_MISMATCH, CF_CONFIG
*
Important:
- Bit representation is in hexadecimal digits.
- Bit representation can be a combination of more than one condition.
Example:
Bit representation of 0x0006 is equal to
0x0002 System status - Slot circuit fault +
0x0004 System status - Slot internal communication error
Refer to Bit Representation of Combined Conditions for combined conditions.
Register "Analog Ch Status" Bit Definition
Table 2-35: Register "Analog ch status" bit definition (TRUE=1).
Register "Analog Ch Status" Bit Definition
Bit representation* Description
(0x0000)
(No bit set)
Ch not configured.
0x0001
Ch enabled
0x0002
Ch alert
0x0004
Ch startup