There is a limit to the number of POUs that can be opened simultaneously_ 31 including 'Data 1,' 'Simulation' and 'AFB.' Show Detail
With D300win V2, I cannot monitor some of the variables in the global variable worksheet.
They cannot be monitored if the number of rows in the variable worksheet exceeds 2520. Divide the variable worksheet so that the number of rows is 2500 or... Show Detail
With a general-purpose communication module, is RS232C completely full duplex?
It is full duplex for both hardware and software (firmware) for anything other than communication by M_RECEIVE and M_SEND on the SX bus, which are FB interna... Show Detail
How can I create a double-word counter with the Standard Loader (Type_ NP4H-SWN)?
Use an add instruction with the double-word operand to increment by 1 (+1). Show Detail
I want to relay the SX bus optical cable. Is it possible?
Yes, it is possible. Note that one relay causes attenuation of about 1 dB. The allowable attenuation is 7 dB in total. Careful consideration is required be... Show Detail
Timers of small numbers (T0 to T8191) are local timers (timers effective within the program only). To create timers that are effective in other programs (g... Show Detail
What is necessary for MODBUS_RTU communication between SPH and an external device?
The following are necessary. 1) Hardware: General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose firmware version is V42 or later ... Show Detail
I am using the StandardV3 loader. Can I check the download history to the CPU?
When all the programs are downloaded into the CPU, the download history is not stored. However, when only a changed program is downloaded (online program c... Show Detail
No, 'page layout' does not affect program operation because 'page layout' data are not included in the CPU execution file. Similarly, text data such as 'va... Show Detail
What is the difference between RS-485 and RS-422 ?
RS-485 is upper compatible with RS-422. In general, RS-422 devices mainly use 4-wire connection method, while RS-485 devices mainly use 2-wire connection met... Show Detail
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