No Response Occurs - Hitachi SJ200 Series Instruction Manual
Single-phase input 200v class; three-phase input 200v class; three-phase input 400v class
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Also See for SJ200 Series:
- Quick reference manual (27 pages) ,
- Service manual (66 pages) ,
- Connection manual (47 pages)
Table of Contents
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B–9
SJ200 Inverter
No response occurs:
In the cases below, the inverter ignores a query and returns no response.
• When receiving a broadcasting query
• When detecting a transmission error in reception of a query
• When the slave address set in the query is not equal to the slave address of the inverter
• When a time interval between data elements constituting a message is shorter than 3.5
characters
• When the data length of the query is invalid
NOTE: Provide a timer in the master and make the master retransmit the same query
when no response is made within a preset time period after the preceding query was sent.
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Troubleshooting
