Defining The Pfd Registers - Siemens SINAMICS PERFECT HARMONY GH180 Function Manual

E.2

Defining the PFD Registers

The PFD registers are defined in the following table, which provides all possible contents of
the PFD registers. The PFD1 register consists of 16 bits as described in the table.
Table E-1 Contents of PFD Registers 1 to 4
PFD Register Register Function
PFD1 Status
PFD2 Menu ID Echo
PFD3 Read Value
PFD4 Read Exponent
NXGpro Communication
Function Manual, AB, A5E33486415A
Bit Description
0 to 6 Echo of Command from PTD
7 Error Flag:
● If Bit 7 is not set (0), Bits 8 to 15 represent the exponent, i.e.
number of decimal digits.
● If Bit 7 is set (1), Bits 8 to 15 contain the error codes listed
below.
8 to 15 Error code and description:
● 0 Not used
● 1 Invalid ID
● 2 Limit Error
● 3 Drive is running. Cannot change value.
● 4 Parameter/pick list write Lockout (drive does allow
parameter changes).
● 5 ID is parameter type. Use parameter commands.
● 6 ID is a pick list type. Use pick list commands.
● 7 Command Error: Use write pick list Manual ID Command
● 8 Command Error: Use write pick list command
● 9 Invalid Manual ID
● 10 Fixed Pick List (item is read only)
● 11 Pick List Item Already Selected
● 12 Invalid Function ID
● 13 to 255
N/a Menu ID echo for the required command
N/a Value returned from read parameter value command for Least
Significant 16-Bits.
If the value is numeric, this register contains the least significant
16 bits.
If the value is a Read String, this register contains the first 2 bytes.
N/a Value returned from read parameter value command for Most
Significant 16-Bits.
If the value is numeric, this register contains the most significant
16 bits.
If the value is a Read String, this register contains the second 2
bytes.
Parameter Read/Write
E.2 Defining the PFD Registers
Reserved for Future Use
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