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Appendix 4
Remote buffer memory is divided into a parameter area, monitor area, and module control data area for each address.
The initial value is set in remote buffer memory at power-on or hardware reset.
Do not read/write data from/to a use prohibited area of remote buffer memory. If data is read or written, the
correct operation of the safety remote I/O module cannot be guaranteed.
Remote buffer memory list
The remote buffer memory list of the safety remote I/O module is shown below.
The remote buffer memory of the safety remote I/O module is allocated as follows.
Remote buffer memory address
Decimal
0 to 255
256 to 511
512 to 1279
1280 to 2559
2560 to 5375
Parameter area
Parameters can be set in these areas using the parameter setting window of the engineering tool. Parameters cannot be set
using the program.
If these parameters are changed, the safety module valid flag (RWr0.b0) turns OFF and the safety remote I/O module enters
the standby mode.
For details on the standby mode, refer to the following.
Page 31 Operation mode and state transition
• Always use the engineering tool to set parameters.
• When a use-prohibited area is read from/written to, the dedicated instruction is completed successfully.
■Parameter data per station
: Enabled, : Disabled
Address
Decimal
Hexadecimal
0
0000H
1
0001H
2
0002H
3
0003H
4 to 10
0004H to 000AH
11
000BH
12 to 255
000CH to 00FFH
APPX
138
Appendix 4 Remote Buffer Memory
Remote Buffer Memory
Hexadecimal
0000H to 00FFH
0100H to 01FFH
0200H to 04FFH
0500H to 09FFH
0A00H to 14FFH
Name
Safety setting
Use prohibited
Communication speed setting
Use prohibited
Area
Parameter area
Monitoring area
Module control data area
Transmission interval monitoring
time
I/O LED indication setting at error
occurrence
Safety approval code
Target
Parameter data per station
Parameter data per module
Use prohibited
Use prohibited
Use prohibited
Default
Read
Write
value
35
0
FFFFFFFFH
0
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