Parker LVD1 - Page 88

Parker Hannifin S.p.A. - Divisione S.B.C. LVD User’s Manual
88
Broadcast message to write a parameter from Master to LVD
Broadcast data write
Data length
7 bytes
Field Name
Cmd & Len Data Address Data
Contents
5 bit command and 3 bit length 16 bit data address 32 bit data
Identifier
ID2 ID1 ID0 - - - - - ID10
ID9 ID8 ID7 ID6 ID5 ID4 ID3
1 1 1 X X X X X 0 0 1 0 0 0 1 1
Data In the case of parameter writing, this portion contains the value of the
parameter.
In the case of modification of one or more bits, contains the mask of the bits to
be modified.
Data Address This is the address of the parameter involved in the operation (see the table in
the heading Serial addresses and parameter lengths).
Cmd & Len
Sub-field Value Significance
Cmd [0..4] 0 not used
1 Write
2 SET bit Pr = Pr .OR. Data
3 RESET bit Pr = Pr .AND. (.NOT.Data)
4 TOGGLE bit Pr = Pr .XOR. Data
5 - 31 not used
Len [5..7] 0- 4 Number of significant bytes in Data field