ABB CSU-2LV, Installation And Maintenance Manual, Page: 49 / 84

ABB
ARC GUARD SYSTEM™ – CSU-2LV/2MV INSTALLATION AND MAINTENANCE GUIDE 49
6.6.3 Register data format
This section describes details about the data format
for selected registers. Read or read/write rights of the
register are specified with (R) and (RW) respective.
6.6.3.1
System status
The actual state of the system.
SYSTEM_STATUS 0x64 (R)
Bit 15–4 3 2 1 0
- Current warning In startup sequence Error Over current
6.6.3.2
Modbus status
Toggle register
Alternates between 0 and 1 each read.
MODBUS_TOGGLE_REGISTER 0x13E (R)
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
- - - - - - - - - - - - - - - Toggle bit
Failure register
Register ID of the last failed Modbus request.
MODBUS_FAILURE_REGISTER 0x13F (R)
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Register ID
CRC errors
Number of Modbus RTU CRC errors.
NBR_OF_CRC_ERRORS 0x140 (R)
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Number of errors
06