Mitsubishi Electric QJ71DN91, Руководство пользователя

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App - 6 App - 6
MELSEC-Q
APPENDIXES
Appendix 3.4 Parameters for master function
The following table lists differences in parameters for master function between the
QJ71DN91 and the AJ71DN91/A1SJ71DN91.
Model
Buffer memory address QJ71DN91 AJ71DN91/A1SJ71DN91
Hex. Dec. Item
01D8
H
472
Node number of the slave node and
message group
If communication with the
slave node fails due to
incorrect parameter setting,
the message group is
automatically switched and
communications can be
established.
If communication with the slave
node fails due to incorrect
parameter setting,
communications cannot be
established.
01DD
H
477 EXPECTED PACKET RATE Default value: 200ms Default value: 500ms
Appendix 3.5 Hardware
The following table lists differences in hardware between the QJ71DN91 and the
AJ71DN91/A1SJ71DN91.
Model
Signal
QJ71DN91 AJ71DN91/A1SJ71DN91
Precautions when replacing the AJ71DN91/A1SJ71DN91 with
the QJ71DN91
LED
L.RUN Check the QJ71DN91 status with MS, NS, and ERR. LEDs.
ERR. This LED is added to the QJ71DN91.
Node number switches
Set the host node number of the QJ71DN91 with node number
switches (see Section 5.3.2).
The node number of the AJ71DN91/A1SJ71DN91 can be
checked using the following:
• Buffer memory (address: 01D4
H
)
• SyCon
Mode switch
Set the baud rate of the QJ71DN91 with the mode switch. (See
Section 5.3.3.)
The baud rate of the AJ71DN91/A1SJ71DN91 can be checked
using the following:
• Buffer memory (address: 01D5
H
)
• SyCon
RS-232C connector
Set the parameters of the QJ71DN91 to the buffer memory via
the QCPU. Set them by the following methods.
• Sequence program (See Section 7.3.2 and Section 8.2.2.)
• GX Configurator-DN or GX Configurator2-DN (See Section
7.3.1 and Section 8.2.1.)
: Supported, : Unsupported