APPX
Appendix 5 Buffer Memory
139
A
Details of buffer memory addresses
This section shows the details of the buffer memory in a safety extension module.
Latest error code
The latest error code detected in a safety extension module is stored. For details, refer to the following section.
Page 123 List of Error Codes
■Buffer memory address
The buffer memory address of this area is as follows.
Latest address of error history
The buffer memory address where the latest error code has been stored is stored.
■Buffer memory address
The buffer memory address of this area is as follows.
Module information
The module information of a safety extension module is stored. 7FE9H (fixed hexadecimal value) is stored.
■Buffer memory address
The buffer memory address of this area is as follows.
Firmware version
A firmware version is stored. It is stored in four-digit decimal number.
■Buffer memory address
The buffer memory address of this area is as follows.
Buffer memory name Address
Latest error code 0
Buffer memory name Address
Latest address of error history 1
Buffer memory name Address
Module information 30
Buffer memory name Address
Firmware version 31
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