DIGIVEX Motion - PROFIBUS
19
PVD 3554 GB 01/2004
4) Response acknowledgement (from the Slave)
1
st
case: the response is negative
DPV1 Read Acknowledgement
Fct_num = Rd (0 byte)
Slot_num
Index = DB47
Length (bytes)
0x5E
0x00
0x2F
0x0A
Parameter Response Header
Request ref
Request ID
Axis
No. of parameters
Request repeated
0x81 (Rd), 0x82 (Wr)
0x00
0x01
Parameter value
Format
No. of values
Value
0x44
0x01
Error code (16-bit)
NB: If the acknowledgment of the response is not ready, only the first 4 bytes are returned.
2
nd
case: the response is positive
DPV1 Read Acknowledgment
Fct_num = Rd (0 byte)
Slot_num
Index = DB47
Length (bytes)
0x5E
0x00
0x2F
> 0x06(Rd), 0x04(Wr)
Parameter Response Header
Request ref
Request ID
Axis
No. of parameters
Request repeated
0x01 (Rd), 0x02 (Wr)
0x00
0x01
Parameter value (for a read only request)
Format
No. of values
Value
cf. table page 2
0x01
Variable size
Data code (8-bit) format table (taken from PROFIDrive V3.0):
Data type
Code
“Format”
Integer16 0x03
Integer32 0x04
Unsigned16 0x06
Unsigned32 0x07
Floating32 0x08
VisibleString (ascii–16 bytes)
0x09
OctetString (16 bytes)
0x0A
Bit Sequence (32 bits)
0x23
Error (16 bits)
0x44
OctetString (128 bytes)
0xFE
Floating64 0xFF
Содержание DIGIVEX Motion PVD 3554
Страница 25: ...DIGIVEX Motion PROFIBUS 23 PVD 3554 GB 01 2004...