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Buffer memory addresses of CC-Link modules
If the remote net Ver.1 mode is used, each station number is given fixed buffer memory addresses.If the remote net Ver.2 mode is used, different buffer memor... More Details >>
- No:22992
- Release Date:2018/09/03 17:31
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Terminating resistors for RS-485 communication of QJ71C24N
The resistance value is 110 ohm, 1/2 W. More Details >>
- No:22978
- Release Date:2018/09/03 17:31
- Update:2018/10/03 15:48
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Difference between the CC-Link IE Controller Network and a MELSECNET/H network
The CC-Link IE Controller Network is an improved system that has a higher processing speed and a larger data capacity than the MELSECNET/H network system (PL... More Details >>
- No:22979
- Release Date:2018/09/03 17:31
- Update:2018/09/25 17:17
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How to check link errors in CC-Link slave stations
The data link status is stored in SW80 to SW83.Each bit corresponds to a station number and a bit turns ON if the corresponding station causes a data link er... More Details >>
- No:23031
- Release Date:2018/09/03 17:31
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How to set the numbers of occupied stations for CC-Link local stations
Set the number of occupied stations for a CC-Link local station using the programming tool, GX Developer or GX Works2. Set the number for "Number of Occupied... More Details >>
- No:22980
- Release Date:2018/09/03 17:31
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Difference between CC-Link reserved stations and invalid stations
- Reserved station Reserved stations are not actually connected to the network (but will be connected in the future) but do not appear as data link error... More Details >>
- No:22993
- Release Date:2018/09/03 17:31
- Update:2018/09/25 17:37
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Receiving back (echoing back) the same data sent from QJ71C24N
When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>
- No:23000
- Release Date:2018/09/03 17:31
- Update:2018/09/25 17:44
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Refresh timing of bit data and word data in the same CC-Link station
Cyclic data is sometimes separated into new and old data by two words (32 bits) with auto refresh timing. Checking "Block data assurance per station" of the ... More Details >>
- No:23058
- Release Date:2018/09/03 17:31
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What makes the ERR LED flash in a CC-Link network
A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave station: Reassess the power supply, the ... More Details >>
- No:23023
- Release Date:2018/09/03 17:31
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Limitation on the number of levels of cascade connections when QJ71E71-100 is used
If a repeater hub is used, 10BASE-T allows a maximum of four levels of cascade connections and 100BASE-TX allows a maximum of two levels of cascade connectio... More Details >>
- No:23040
- Release Date:2018/09/03 17:31
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