10 - 13 10 - 13
MELSEC-Q
10 TROUBLESHOOTING
10.1.6 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 8.6.3).
REMARK
โข The status of the switch settings by GX Developer can be checked by performing
read operations as described in Section 10.1.5.
โข 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. storage area (address: 24F
H
)
b0
(Station No.)
0 to 31
b15
Buffer memory address 24F
H
to
2) Communication protocol status storage area (addresses: 252
H
and 262
H
)
b0
Mode number currentl
operatin
Buffer memory address 252
H
262
H
(Information on the CH2 side)
(Information on the CH1 side)
1 to 7
1 to 7
b15
to
3) Transmission status storage area (address : 253
H
, 263
H
)
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