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Programming For Executing The Slave Function; System Configuration; Parameters For Slave Function - Mitsubishi Electric QJ71DN91 User Manual

Melsec q series, devicenet master-slave module.
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8 PROGRAMMING FOR EXECUTING THE SLAVE FUNCTION

8 PROGRAMMING FOR EXECUTING THE SLAVE FUNCTION
This chapter explains programming for executing the slave function.
When applying the program examples introduced in this chapter to the actual system,
make sure to examine the applicability and confirm that it will not cause system control
problems.

8.1 System Configuration

The explanation of the programs in this chapter is based on the system shown in
Section 7.2.
Note that the transmit/receive data of the QJ71DN91 (slave node) are assigned to the
following devices.

8.2 Parameters for Slave Function

(1)
Buffer memory
address (Hex.)
060E
Slave Function Receive-Bytes (Input Size) Setting Area
H
060F
Slave Function Transmit-Bytes (Output Size) Setting Area
H
8 - 1
Item
Receive data
Transmit data
POINT
To change I/O points for slave function, parameters for slave function must be set.
However, for the I/O points of the QJ71DN91 (slave node) shown in Chapter 7,
parameters for slave function need not be set because default values are used.
Settings
The following table shows the slave function parameters that are to be set in the
program example.
For details of the slave function parameters, refer to Section 3.4.9.
For saving parameters to a flash ROM, refer to (2) in this section.
Item
MELSEC-Q
Device
X200 to X23F
Y200 to Y23F
Set value
K16 (16 bytes)
K16 (16 bytes)
8
8 - 1

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