27 TROUBLESHOOTING
27.1 Checking Module Status
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27
Current operation status reading method
The following shows how to read the current operation status of C24.
For details on the contents of each parameter setting, refer to the following manual.
Page 422 PARAMETER SETTING
■Operation mode status storage area
The current operation status of C24 is stored in the following buffer memory areas.
• Station number (instruction setting) (Un\G591)
• Communication protocol status (Un\G594/610)
• Transmission setting status (Un\G595/611)
For the correspondence table for the communication speed setting, see the table below.
1: ON 0: OFF
Transmission speed b11 b10 b9 b8
1200 bps 0 0 1 0
2400 bps 0 0 1 1
4800 bps 0 1 0 0
9600 bps 0 1 0 1
14400 bps 0 1 1 0
19200 bps 0 1 1 1
28800 bps 1 0 0 0
38400 bps 1 0 0 1
57600 bps 1 0 1 0
115200 bps 1 0 1 1
230400 bps 1 1 0 0
b15 b0
031
Un\G591
(Station number)
Buffer memory address
to
to
b15 b0
09
07,9
Un\G594
(Information on the CH1 side)
Buffer memory address
Un\G610
(Information on the CH2 side)
Mode number currently
operating
to
to
to
b0b1b2b3b4
1/0
1/0
1/01/01/0
1/01/01/0
b15 b6
1/0
1/0
1/0
1/0
1/0
1/0
b5b7
1/0
1/0
b8
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
b9b10b11b12
(Information on the CH1 side)
Un\G595
Buffer memory address
(Information on the CH2 side)
Un\G611
For system Communication
rate setting
Operation setting
Data bit setting
Parity bit setting
Odd/even parity setting
Stop bit setting
Sum check code setting
Online change setting
Setting modification enable/disable setting
to
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