Communications with a personal comput...
When a personal computer (GX Works2) is connected to the RS-232C port of a programmable controller, communications between the personal computer and the prog... More Details >>
Maximum number of characters in a com...
As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>
Turning on a bit in the data register
In the FX3U/FX3UC series, the bit specification of the data register is possible. (Example) D0.7→7th bit in D0 For the other types of MELSEC-F programmable... More Details >>
Operation processing time of the prog...
The constant operation processing time can be achieved by using constant scan mode. Refer to the programming manual of the programmable controller used. More Details >>
Operation of the first special functi...
Usually, unit number of the first special function unit/block is "K0". However, when the main unit is FX3UC-32MT-LT(-LT2), the unit number "K0" is assigned t... More Details >>
Supported versions of the FX3U/FX3UC ...
The main units with Ver.3.10 or later can read and write programs of the FX3 series connected to the intelligent device station and can monitor devices. (GX ... More Details >>
Instruction execution complete flag
When a flag contact is not programmed directly under the instruction to be checked, the flag may be turned off depending on the execution status of another i... More Details >>
Yes, it is possible. To set the programmable controller to RUN again, while the programmable controller is stopped, set the built-in RUN/STOP switch as follo... More Details >>
Index modifier of bit devices in the ...
The FX3G series does not support the index modifier for the bit devices. The FX3U/FX3UC series supports this function. More Details >>
The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using GX Developer. To avoid setting troub... More Details >>
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