Mitsubishi QD51 Programming Manual page 432

11 INSTRUCTIONS AND FUNCTIONS
Processing Code 2
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Monitor registration of device memory
Control table format definition
Element position
Format 1 Format 2
%(0) • • • • • • •
%(0)
%(1)
%(2)
%(3)
%(1) %(4)
%(2) %(5)
%(3) %(6)
• This code is used to perform monitor registration of device memory of the PLC
CPU, except extension file registers.
• By performing monitor registration, it becomes easy to monitor devices
nonsequentially using the PCRD instruction.
• Specify the following data for <control table>.
Format 1 control table
%(0) • • • • • •
%(1) • • • • • •
%(2) • • • • • •
%(3) • • • • • •
Item
Station number
Control table
Network number
Station number
Detailed error code
Processing code
Processing unit
Number of points
Specify the station number of the PLC CPU whose device
memory will be registered to be monitored.
See Section 4.2.2 for the allowable specification range.
Processing code
• Specify 2.
Specify whether the monitoring of the device is to be
performed in word or bit units.
• When reading in bit units • • • • • 1
• When reading in word units • • • 2
Specify the number of device points to be monitored. The
allowable specification ranges for the number of points are
as follows:
• When bit units are specified
• Bit devices
• When word units are specified
• Bit devices
• Word devices
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 processing unit of the device.
Specify the number of points to be
monitored.
1 to 40 points
1 to 20 words
(16 to 320 points, in units of
16 points)
1 to 20 words
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