This problem is a known issue and fixed in firmware revisions :
The issue occurs when all conditions below are met :
=> These four conditions may cause byte swapped data (for little endian conversion) on some modbus commands on the I/O scanning devices.
A global power cycle on the rack or hot swap of BMENOC03x1 makes the issue disappear.
We recommend to upgrade the BMENOC03x1 firmware to the latest available version.
- SV1.05 for BMENOC0321
- SV2.16 for BMENOC0301 and BMENOC0311
- SV2.16 for BMENOC0301 and BMENOC0311
The issue occurs when all conditions below are met :
- when using firmware revisions lower than the ones described above
- when re-configuring and re-downloading application with a Modbus IO Scanner configuration into a BMENOC3xx (without doing a power cycle after the download)
- IO Scanner configuration contained a mix of "Read ONLY", "Write ONLY" and "Read/Write" modbus request
- some IO Scanner lines have been deleted and/or added
- when re-configuring and re-downloading application with a Modbus IO Scanner configuration into a BMENOC3xx (without doing a power cycle after the download)
- IO Scanner configuration contained a mix of "Read ONLY", "Write ONLY" and "Read/Write" modbus request
- some IO Scanner lines have been deleted and/or added
=> These four conditions may cause byte swapped data (for little endian conversion) on some modbus commands on the I/O scanning devices.
A global power cycle on the rack or hot swap of BMENOC03x1 makes the issue disappear.
We recommend to upgrade the BMENOC03x1 firmware to the latest available version.
Đã phát hành cho: Schneider Electric Việt Nam
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