- GLOBAL > PLC > Common to SX > Communication (Others) > In the diagnostic screen, error message 'Fatal failure SX bus error Time up error of deciding SBM use mode' appeared. What are the possible cause...
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In the diagnostic screen, error message 'Fatal failure SX bus error Time up error of deciding SBM use mode' appeared. What are the possible causes for this error?
In the diagnostic screen, error message 'Fatal failure SX bus error Time up error of deciding SBM use mode' appeared. What are the possible causes for this error?
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Answer
Check that the terminating plug is attached. Check also that the SX bus expansion cable is not broken.
You need to attach an SX bus terminating plug at both ends of the SX bus. Two SX bus terminating plugs, which look like plugs of LAN cables, are supplied with a CPU.
[Related document]
Troubleshooting for Expert (D300win): FEH197
Troubleshooting for Standard: FEH194
You need to attach an SX bus terminating plug at both ends of the SX bus. Two SX bus terminating plugs, which look like plugs of LAN cables, are supplied with a CPU.
[Related document]
Troubleshooting for Expert (D300win): FEH197
Troubleshooting for Standard: FEH194