RKC INSTRUMENT REX-F9000, Communication Instruction Manual

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5. LADDER COMMUNICATION
IM9000F02-E2
38
g g g g
DAT [Data]
Details of processing
by PLC
Communication direction Details of send/receive data
Polling
PLC
o
REX-F9000 Number of read data (Maximum 30)
*For data read REX-F9000
o
PLC Read data
*Data such as measured value (PV), etc.
Selecting
PLC
o
REX-F9000 Write data
*For data write REX-F9000
o
PLC Data after write execution
h
h h
h
,
i
i i
i
CR, LF [Delimit]
Control characters to indicate the end of a text. The REX-F9000 judges that the text ends if
it receives CR (0DH) and LF (0AH) in succession.
5.1.2 Data format
The data (DAT) format is expressed as internal data excluding the decimal point.
Example :
Data name Actual data Internal data
Manipulated output
value (MV)
-5.0 to +105.0 -0050 to +1050
Proportional band 0.001 to 50.000 0001 to 5000
PV bias -19.999 to +19.999 -1999 to +1999
Alarm 1 setting Process alarm : 0.000 to 50.000
Deviation alarm : -19.999 to +19.999
Process alarm : 0000 to 5000
Deviation alarm : -1999 to +1999