A - data formats, Block transfer write format from plc to qrd, Response from qrd to plc block transfer – Rockwell Automation 1771-QRD PULS FLOWMTR User Manual
Page 40: Data formats
Appendix A
A–1
Data Formats
Use this block format to reset totalizer(s) and/or overflow flag(s).
Note: b8 through b15 are unused.
b7
RESET
CH 4
Overflow Flag
b6
RESET
CH 3
Overflow Flag
b5
RESET
CH 2
Overflow Flag
b4
RESET
CH 1
Overflow Flag
b3
RESET
CH4
TOTAL
b2
RESET
CH3
TOTAL
b1
RESET
CH2
TOTAL
b0
RESET
CH1
TOTAL
Where: “1”=reset
“0” = not reset
first
word
second
word
third
word
fourth
word
fifth
word
sixth
word
seventh
word
eighth
word
ninth
word
RESPONSE CODE
AND ERROR
CODE (1XYZ)
CH 1
RATE
CH 1
TOTAL
CH 2
RATE
CH 3
TOTAL
CH 3
RATE
CH 4
TOTAL
CH 4
RATE
CH 4
TOTAL
Notes:
The digit in the response/error code labeled “Z” will adhere to the
following definitions:
Code
Meaning
0
Valid data
1
Channel pair default
2
BLOCK TRANSFER syntax error
3
Channel pair fault and syntax error
Block Transfer Write Format
From PLC to QRD
Response from QRD to PLC
Block Transfer
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