Mitsubishi QD51 Programming Manual page 433

11 INSTRUCTIONS AND FUNCTIONS
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Format 2 control table
%(0) • • • • • •
%(1) • • • • • •
%(2) • • • • • •
%(3) • • • • • •
%(4) • • • • • •
%(5) • • • • • •
%(6) • • • • • •
In case of PLC CPUs other than A3HCPU, AnACPU, AnUCPU, and AnSUCPU, one point of
device X (input) is processed as 2 points.
When X is included among the specified devices, specify the number of points as follows:
Specified number of
points for X
If only X is specified, the number of processing points that can be communicated at one time is
half of the values given above.
Format 2 control table
• Specify 256.
Specify the network number of the network to be accessed.
See Section 4.2.2 for the allowable specification range.
Specify the station number of the PLC CPU from which
data is read.
See Section 4.2.2 for the allowable specification range.
Detailed error codes are stored here.
See Appendix 4.4.2 for the details about the error codes.
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
specified number of points
2 +
for other devices
MELSEC-Q
1 to 40 points
1 to 20 words
(16 to 320 points, in units of
16 points)
1 to 20 words
40 points
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