hager HR551 - Channel Variables

RS-485 communication
Modbus® commands
9.3.2 Channel variables
Function 0x04: Read registers
Configuration variables Format Address Units/Format
Model HR72x Character string FA0-FA1 -
Serial no. of the HR72x Character string FA2...FA8 -
Firmware version (part 1) Unit [16] FA9 -
Firmware version (part 2) Unit [16] FAA -
Revision of the firmware version Unit [16] FAB -
HR72x status Unit [16] FAC 0...6 (Tab. 18)
HR72x channel Unit [16] FAD 1: Channel 1
Programmed tripping curve or delay Unit [16] FAE ms
Programmed trip current Unit [16] FAF mA
Instantaneous total discharge current Unit [16] FB0 mA
Instantaneous alternating discharge cur-
rent
Unit [16] FB1 mA
Instantaneous direct discharge current Unit [16] FB2 mA
Total discharge current, which trips the
relay
Unit [16] FB3 mA
Alternating discharge current, which trips
the relay
Unit [16] FB4 mA
Direct discharge current, which trips the
relay
Unit [16] FB5 mA
Programmed pre-alarm current Unit [16] FB6 %
Pre-alarm operation Unit [16] FB7
0: Deactivated
1: Activated with deactivated interlock
2: Activated with activated interlock
Table 17: Modbus memory mapping: Channel variables
Possible status of HR72x
Value Description
0 HR72x in the start phase
1 HR72x in the idle state
2 HR72x was tripped due to a detected discharge current
Table 18: Status of HR72x
40 Fehlerstromschutz-Relais