7.1.7 104 – ADDITIVE LEVEL CONFIGURATION REGISTERS
Note: ppp = The specified zero-based preset or load arm number (000-011).
aaa = The specified zero-based additive number (000-0015).
Modbus:
The Modbus Preset Index Register sets the ppp index, Read/Write Register=996, Len=1, 16-Bit Integer
The Modbus Additive Index Register sets the aaa index, Read/Write Register=999, Len=1, 16-Bit Integer