Rockwell Automation 1203-CN1 ControlNet Communications Module 1203-CN1 - Manual (Page 130)

Publication 1203-5.13 – February, 2002
F-12 Supported Emulated Block Transfer Commands: Scattered Parameter Value Write
Scattered Parameter Value Write Scattered Parameter Value Write writes to a scattered list of
parameters and returns the status of each parameter. If any of the
states have errors, the parameter number is negative.
PLC Block Transfer Emulation Instruction Data
PLC request instruction length: 5-63 words
Drive response instruction length: 5-63 words
Header
Word 0
PLC Decimal Value
-32765
Message Structure
Header
Word 1
Data
Word 2
PLC Request
Header Word 0
Header Word 1
Header Word 2
Message Length
Message Length
PLC Decimal Value
3 -- Message OK
-32765 -- Message Error
Number of Parameter
Drive Response
Number of Parameter
5-63
Values to Write
Parameter Value
Data Word 3
Data Word 4
Data Word 5
Parameter Number
Parameter Number
1
2
Parameter Number
3
Data Word 6
Data Word 7
Data Word 8
Parameter Value
Parameter Value
Data Word 61
Parameter Number
30
Data Word 62 Parameter Value
5 - 63
Values to Write
Data
Word 3
Data
Word 4
Data
Word 5
Parameter Number
Parameter Number
1
2
Data
Word 6
Data
Word 7
Data
Word 8
bit
Status Word 1
Status Word 2
Parameter Number
3
Status Word 3
15
bit
15
bit
15
Data
Word 61
Data
Word 62
Parameter Number
30
Status Word 30
bit
15
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3
30