Mitsubishi QJ71C24N - How to Read the Current Operation Status

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MELSEC-Q
11 TROUBLESHOOTING
11.1.6 How to read the current operation status
This section explains how to read the current operation status of the Q series C24.
When GX Configurator-SC is used, check the status in the "Transmission control and
others monitor/test" screen (see Section 9.6.3).
REMARKS
• The status of the switch settings by GX Developer can be checked by performing
read operations as described in Section 11.1.5.
• Refer to Section 4.5 for the switch settings.
(1) Operation mode status storage area
The current operation status of the Q series C24 is stored into the following buffer
memory areas.
1) Station No. (instruction setting) (address: 24F
H)
b0
(Station No.)
0 to 31
b15
Buffer memory address 24F
H
to
2) Communication protocol status (address: 252
H/262H)
b0
Mode number currently operating
Buffer memory address 252
H
262
H
(Information on the CH2 side)
(Information on the CH1 side)
0 to 9
0 to 7,9
b15
to
3) Transmission status (address : 253
H/263H)
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Communication rate setting
Buffer memory address 253
H
263
H
(Information on the CH2 side
)
(Information on the CH1 side
)
1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0
1/01/01/01/01/01/01/01/01/01/01/01/0
Operation setting
Data bit setting
Parity bit setting
Even/odd parity setting
Stop bit setting
Sum check code setting
Write during RUN setting
Setting modification allow/prohibit
0000
0000