Check to make sure that_ (1) The channel specification (CH_SEL) is correct. (2) The FB instance names are not duplicated

The USB driver of USB/RS-422 converter for personal computer loader is stored in the 'UsbToSerial' folder in the 'Driver

By changing the zoom rate of the main screen displaying a program or data monitoring, the on-screen font size is also i

The range in terms of description is up to 4096 words respectively. Note, however, that actual message transfer on the S

The amounts of data transmitted or received are not limited as R_WRITE instruction/R_READ instruction but by the capacit

If this is caused by a fluctuation in the input temperature, moving average processing shown below may improve the condi

The specified current value is constant regardless of the frequency because the input impedance for the pulse input I/F

The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one

Up to 127 levels of nesting is possible.

For an alarm contact output of an error of the PLC system, select an arbitrary output module in the system definitions a

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GLOBAL > PLC

Latest FAQ

I creat user FB in StandardV3, and defined input/output parameter as word (WV). Can I directly access any bit within this parameter WV?
When I write parameter to LonWorks module (NP1L-LW1) using support tool for a LonWorks (NP4N-LNDF), what is the required cable?
When I set the high-speed counter module (NP1F-HC2) to the preset operation mode of the multi-functional counter FB, the preset is disabled in the ...
We share the D300win and other PLC engineering tool software among several people. Do we need to purchase the software for each person?
Are there any restrictions on the mounting position of the I/O modules and communication modules on the base? I'd like to place the communication m...

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FAQ within [ PLC ]

21-30 of Total 398

≪ 3 / 40page ≫

With a counter module (NP1F-HC2), I use ２ counter FBs to control 2 channels. At system start-up, I set simultaneous preset operations for the 2 cha...

Check to make sure that_ (1) The channel specification (CH_SEL) is correct. (2) The FB instance names are not duplicated. (3) The preset command is given aft... Show Detail
- No：1640
- Displayed Date：2023/04/25 19:00
- Category： Function
Where is the USB driver of USB/RS-422 converter for personal computer loader (Type_NP4H-CVU)?

The USB driver of USB/RS-422 converter for personal computer loader is stored in the 'UsbToSerial' folder in the 'Driver' folder in the folder where the pers... Show Detail
- No：1519
- Displayed Date：2023/04/25 19:00
- Category： Support tool
Can I increase the font size displayed on the Standard loader screen?

By changing the zoom rate of the main screen displaying a program or data monitoring, the on-screen font size is also increased or decreased. However, the S... Show Detail
- No：1501
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)
What is the transfer data size range for the READ_WORD/WRITE_WORD FB?

The range in terms of description is up to 4096 words respectively. Note, however, that actual message transfer on the SX bus takes place after division into... Show Detail
- No：1410
- Displayed Date：2023/04/25 19:00
- Category： Application
I want to read and write memory blocks with loader commands by using Ethernet to connect between SX. Is there any limitation to the amounts of data...

The amounts of data transmitted or received are not limited as R_WRITE instruction/R_READ instruction but by the capacity of the memory from/to which data ar... Show Detail
- No：1324
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
The temperature measurement value of the resistance temperature sensor (PT input) is unstable.

If this is caused by a fluctuation in the input temperature, moving average processing shown below may improve the condition. 1) Change the digital filter v... Show Detail
- No：1586
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:56
- Category： I/O
I heard that the high-speed counter module (Type_ NP1F-HC2) requires a current value less than 40 mA for frequencies up to 50 kHz.

The specified current value is constant regardless of the frequency because the input impedance for the pulse input I/F is fixed. Show Detail
- No：1571
- Displayed Date：2023/04/25 19:00
- Category： Function
The total extension of the SX bus has exceeded 25 m. Is there anything to relay the connection?

The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one system. (When three repeaters are us... Show Detail
- No：1550
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
Is it possible to use a function block (FB) inside FBs (nesting)? If it is possible, how deep is the nesting allowed to be?

Up to 127 levels of nesting is possible. Show Detail
- No：1431
- Displayed Date：2023/04/25 19:00
- Category： Application
Is there an alarm output contact to use when an error occurs in the PLC system?

For an alarm contact output of an error of the PLC system, select an arbitrary output module in the system definitions and define its 0th bit as a 'system DO... Show Detail
- No：1347
- Displayed Date：2023/04/25 19:00
- Category： Main unit