ready for modulation state
Modulation release can be made directly with setting the enable modu-
lation bit in the controlword
There is an error. => ru01
The DC link in the power unit has not been charged. The voltage is be-
low the UP level. ru04 is unequal to 4 "run“
At least one STO input is not set. => ru18
5.8.1.2 Display of the state machine (4 Bits)
This 4 bits displays the actual state of the state machine.
The meaning and the values are identical with
the description of st12.
The detailed description of the single states of
the state machine and the changes can be
found in chapter 4.1 State machine
5.8.1.3 exception State (8 Bit)
The actual ru01 error message is displayed in these 8 bits. The value is identical to
ru01, but it is multiplied with 256 to be displayed in bits 8...15 of ru75.