Mitsubishi QD51 Programming Manual page 355

11 INSTRUCTIONS AND FUNCTIONS
Processing Code 7
Only applicable to
AnA/AnU/AnUS
CPU
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Reading extension file register data by specifying sequential addresses (direct
reading)
Control table format definition
Element position
Format 1 Format 2
%(0) • • • • • • •
%(0)
%(1)
%(2)
%(3)
%(1) %(4)
%(2) %(5)
%(3) %(6)
%(4) %(7)
• It is possible to read data from extension file registers by specifying their
sequential addresses, rather than dividing them by block numbers, using this
code.
• Specify the following data for <control table>.
Format 1 control table
%(0) • • • • • •
%(1) • • • • • •
%(2) • • • • • •
%(3) • • • •
%(4) • • • • • •
Item
Station number
Control table
Network number
Station number
Detailed error code
Processing code
Device number
Number of points
Specify the station number of the PLC CPU from which
data is to be read.
See Section 4.2.2 for the allowable specification range.
Processing code
• Specify 7.
Specify the device number of the extension file registers
expressed in sequential addresses.
The allowable specification range is from 0 to (number of
usable blocks 8192)
The starting device is calculated from the following formula:
(When specifying device number m (0 to 8191) at nth (1
or more) block from the beginning)
Starting device number = (n
Specify the number of device points to be read, including
the device specified in %(2) and %(3).
The allowable specification range is from 1 to 64 points.
MELSEC-Q
Description
Specify the station number of the PLC.
Specify a control table of format 2.
Specify the network number.
Specify the station number of the PLC.
Detailed error codes are stored here.
Specify the processing code.
Specify the device number of the
extension file registers expressed in
sequential addresses.
Specify the number of points to be read.
1.
1) 8192 + m
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