If the start bit remains on, the positioning end signal is not generated.

An unused slot is permitted in a system configuration. If you plan to mount a module in the unused slot in the future,

When the working CPU is running (in a normal or a nonfatal fault condition) and the standby CPU is standing by, the cha

_F_WRITE_CSV_DINT' may be influenced by the file search time depending on the number of files in the CF. The time it ta

You should be careful because if the write protection is OFF, the ROM is rewritten simultaneously with the internal RAM

No, you can't. You can check the IP address by connecting the PC loader to the CPU module and monitoring the RAS informa

In the parameter setting of the Ethernet module in the system definition, set the 'Server FTP command watch timer value'

R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication for

The cable is not oil resistant so that you need to protect it by covering it with oil-resistant material.

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

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GLOBAL > PLC > SPH

Latest FAQ

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 ...
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...
When using a communication module (NP1L-RS1/RS2/RS3/RS4/RS), the FB outputs R_STS 'C0' (Hardware error detected) during receiving. In this case, ho...
When I attempted to download a project to a CPU with user ROM card by using D300win, a message appeared saying 'Invalid loader command process!' an...

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FAQ within [ SPH ]

91-100 of Total 235

≪ 10 / 24page ≫

With the pulse train output positioning control module (Type_ NP1F-HP2), positioning has ended but the end signal is not generated.

If the start bit remains on, the positioning end signal is not generated. Show Detail
- No：1317
- Displayed Date：2023/04/25 19:00
- Category： Function
Is it permitted to have an unused slot in an SPH system configuration?

An unused slot is permitted in a system configuration. If you plan to mount a module in the unused slot in the future, it can be registered as 'unimplemen... Show Detail
- No：1313
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 14:32
- Category： Main unit
In a redundant system (SPH300 or SPH2000 with StandardV3), when I change the program online (Load the changed program into PLC), is the changed pr...

When the working CPU is running (in a normal or a nonfatal fault condition) and the standby CPU is standing by, the changed program is loaded into both CPUs... Show Detail
- No：1647
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)
The '_F_WRITE_CSV_DINT' FB allows a CSV file to be output to the memory card. How frequently can data be written? Is there any specific data of the...

_F_WRITE_CSV_DINT' may be influenced by the file search time depending on the number of files in the CF. The time it takes for 100 (200-word) DINT data to b... Show Detail
- No：1634
- Displayed Date：2023/04/25 19:00
- Category： Application
When I mount the user ROM card for the SPH200 (Type_ NP8PMF-16) without changing its write protection from OFF, is the content of the ROM protected?

You should be careful because if the write protection is OFF, the ROM is rewritten simultaneously with the internal RAM of the CPU during program download. Show Detail
- No：1617
- Displayed Date：2023/04/25 19:00
- Category： Main unit
When I forget the IP address of the WEB module (Type_ NP1L-WE1), can I change the IP from an external network?

No, you can't. You can check the IP address by connecting the PC loader to the CPU module and monitoring the RAS information of the fault diagnosis function. Show Detail
- No：1616
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
During loader command communication of Ethernet, a port is closed after it has not been accessed from a personal computer for a certain period of t...

In the parameter setting of the Ethernet module in the system definition, set the 'Server FTP command watch timer value' to 0. The port is not closed even if... Show Detail
- No：1612
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:59
- Category： Communication (Ethernet)
When the MODBUS master standard expansion FB _C_modm operates, the receive status becomes R_STS = 1. This is not shown in the receive status list. ...

R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication format, communication interval and other... Show Detail
- No：1607
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
Is the SX bus cable oil resistant?

The cable is not oil resistant so that you need to protect it by covering it with oil-resistant material. Show Detail
- No：1604
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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