Siemens SIMOVERT FC Series Operating Instructions Manual page 93

Master Drives
CBD
01/23/98
Example 2: Set value of parameter P554.1 = 3001 hex
The PLC word data is in hex.
Block Transfer Write Data:
Size
Port
Command
TXID
PLC Word 0 6 0 1 0 0 0 E
Data
TXID = 06 (range 01 to FF hex = 1 to 255) should be incremented by PLC logic before each new request
Command = 01 (always 01) execute transaction block
Port = 00 (range 00 to 01) DeviceNet port of scanner for command (00 = Channel A, 01 = Channel B)
Size = 0E hex (choice of 0A hex for Get Single or 0E hex for Set Single)
Service = 10 hex (choice of 0E hex = 14 for Get Single or 10 hex = 16 for Set Single)
MAC ID = 03 (range 00 to 3F hex = 0 to 63) address of drive set in P918
Class = 64 hex (always 64 hex) class number of PKW object
Instance = 01 (always 01)
Attribute = 01 (always 01)
PKE = C22A hex (range 0000 to FFFF hex) C22A hex = Set array parameter P554.1 – for more details,
refer to example 2 in the Parameter ID (PKE) section 4.2.1.4 previously
IND = 0001 hex (range low byte = 00 to FF hex = 0 to 255), high byte = 0 (may be non-zero in future) 0004
hex = index 4 – for more details, refer to example 2 in the Parameter index (IND) section 4.2.1.5
previously
PWE = 3001 hex – new 16 bit value of parameter P554.1 – high word is not used for 16 bit values and is
set to 0 -- for more details, refer to example 2 in the Parameter value (PWE) section 4.2.1.6
previously
Block Transfer Read Data:
Size
Port
Status
TXID
PLC Word 0 6 0 1 0 0 0 6
Data
TXID = 06 -- must be same number as request TXID above
Status = 01 -- (must be 01) -- transaction successful
Port = 00 -- must be same number as request port above
Size = 06 -- (must always be 06)
Service = 90 hex -- must be same number as request service above + 80 hex
MAC ID = 03 -- must be same address of drive as request above
PKE = 422A hex = Transfer of set parameter P554.1 16 bit value (array) -- for more details, refer to
example 2 in the Parameter ID (PKE) section 4.2.1.4 previously
PWE = 3001 hex -- 16 bit new value of parameter P554.1 – high word is not used for 16 bit values -- for
more details, refer to example 2 in the Parameter value (PWE) section 4.2.1.6 previously
Siemens AG 477 759 4070 76 J AA-74
SIMOVERT MASTER DRIVES
5 Start-up
5.3 Information for the DeviceNet master
5.3.2 Using Explicit Messaging with a PLC Scanner
Service
MAC ID
Class
1 0 0 3 0 0 6 4
PWE Low Word
Service
MAC ID
PKE
9 0 0 3 4 2 2 A
Betriebsanleitung / Operating Instructions
Attribute
Instance PKE
0 0 0 1 0 0 0 1 C 2 2 A
PWE High Word
3 0 0 1 0 0 0 0 0 0 0 0
PWE
Low Word
PWE
IND High Word
0 0 0 1 3 0 0 1 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
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