Parker Hannifin S.p.A. Divisione S.B.C. user’s manual TWIN-N and SPD-N
130
Response to a parameter request message from the drive to the master
Data reply
Data length
5 byte
Field Name
Addr & Spare Data
Contents
Pr27+1 (8bit) 32 bit reply data
Identifier
ID2 ID1 ID0 - - - - - ID10 ID9 ID8 ID7 ID6 ID5 ID4 ID3
A2 A1 A0 X X X X X 0 A4 0 1 1 0 0 A3
A0:A4 drive slave address (Pr27+1), valid values 1..31.
Broadcast write parameter message from the master to the drive
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 A4 1 0 0 0 1 1
Cmd & Len Sub-field Value Meaning
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 the data field
Data Address
This is the address of the parameter interested in the operation (parameter number * 2).
The PLC instructions have the address from 8192 up to 8703.
Data
When the parameter is written, it contains the value of the parameter.
If one or more bits are modified, it contains the mask of the bits to be modified.
If plc programme is written, it contains the instruction code (see the section
Serial interface).
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