Allen-Bradley Bulletin 1203 Series User Manual page 52

5–4
Scattered Parameter Value
Write
1203–5.5 September 1995
The Scattered Parameter Value Write function 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
Message Structure
PLC Request
Message Length
Header Word 1
5–63
PLC Decimal Value
Header Word 2
–32765
Number of Parameter
Data Word 3
Values to Write
Parameter Number
Data Word 4
1
Parameter Value
Data Word 5
1
Parameter Number
Data Word 6
2
Parameter Value
Data Word 7
2
Parameter Number
Data Word 8
3
Parameter Value
Data Word 9
3
Parameter Number
Data Word 62
30
Parameter Value
Data Word 63
30
Drive Response
Header
Message Length
5 – 63 Word 1
PLC Decimal Value
Header
3 –– Message OK
Word 2
–32765 –– Message Error
Data
Number of Parameter
Values to Write
Word 3
Data
Parameter Number
bit
15
1
Word 4
Data
Status Word 1
Word 5
Data
Parameter Number
bit
15 2
Word 6
Data
Status Word 2
Word 7
Data
Parameter Number
bit
15 3
Word 8
Data
Status Word 3
Word 9
Data
Parameter Number
bit
15
30 Word 62
Data
Status Word 30
Word 63