Refer to the following How-to Guide, which describes how to update a program while a redundant system is running. MICRE

Refer to 'Appendix 3-2 Procedure for Changing Resource (CPU type)' in the User's Manual 'Instructions' (FEH200 with inde

The memory usage is displayed in 'GM (global memory)' by the 'Device' function that is used to edit tags or check the m

This problem is probably caused by the following reasons: [For SPH300/2000/3000 series] 1) The CPU mode selection switc

A normal timer instruction specifies the effective timer range in the unit used on the POU. Since the timer numbers (T0

The MICREX-SX is assumed to be installed inside a dustproof type switchboard in a general factory. There is a wide vari

In a redundant system, both CPUs are identified as CPU0 and you cannot read a battery error of the standby CPU. Determin

The calendar data is not assigned in the memory. You need to use a program to read/write it. Use the following FBs amon

The Standard loader has two types of timer devices created in projects： local timers (T0 to 8191) that are only valid i

This warning appears when the memory (DL) that is assigned to file declaration created for the timer/counter current val

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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 ]

11-20 of Total 398

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In a CPU redundant system, how can I update a program while the system is running?

Refer to the following How-to Guide, which describes how to update a program while a redundant system is running. MICREX SX How-to Guide 'How to Change Prog... Show Detail
- No：1352
- Displayed Date：2023/04/25 19:00
- Category： Support tool (D300win)
How can I change the CPU type in an already created project?

Refer to 'Appendix 3-2 Procedure for Changing Resource (CPU type)' in the User's Manual 'Instructions' (FEH200 with index 'o' or later). Show Detail
- No：1467
- Displayed Date：2023/04/25 19:00
- Category： Support tool (D300win)
On the StandardV3 loader, the memory usage of a processor link module such as a P/PE-link or FL-net module cannot be displayed. Can I check the mem...

The memory usage is displayed in 'GM (global memory)' by the 'Device' function that is used to edit tags or check the memory usage. However, the memory cap... Show Detail
- No：1484
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)
I cannot download a project to the user ROM card inserted in the CPU. What is a possible cause?

This problem is probably caused by the following reasons: [For SPH300/2000/3000 series] 1) The CPU mode selection switch is not set at the 'UROM-TERM' pos... Show Detail
- No：1528
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:47
- Category： Support tool
With the Standard Loader (Type_ NP4H-SWN), I cannot use a timer (T0) created on a different POU at a contact.

A normal timer instruction specifies the effective timer range in the unit used on the POU. Since the timer numbers (T0 to T8191) are treated as a local devi... Show Detail
- No：1544
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)
The physical environmental conditions of the MICREX-SX specify 'Free from corrosive gases.' Please specifically explain this environment.

The MICREX-SX is assumed to be installed inside a dustproof type switchboard in a general factory. There is a wide variety of corrosive gas environments dep... Show Detail
- No：1566
- Displayed Date：2023/04/25 19:00
- Category： Others
An address error occurs when I read a battery error of the standby CPU (CPU1) from the operating CPU (CPU0).

In a redundant system, both CPUs are identified as CPU0 and you cannot read a battery error of the standby CPU. Determine the condition of the standby CPU fr... Show Detail
- No：1572
- Displayed Date：2023/04/25 19:00
- Category： Application
How can I use the current date and time in the CPU module in application programs?

The calendar data is not assigned in the memory. You need to use a program to read/write it. Use the following FBs among the open FBs released on our websit... Show Detail
- No：1596
- Displayed Date：2023/04/25 19:00
- Category： Application
I use the timer T0 in the Standard loader. When I add a contact T0 to another POU and then execute program conversion, an error message appears say...

The Standard loader has two types of timer devices created in projects： local timers (T0 to 8191) that are only valid in the POU and global timers (T8192 to... Show Detail
- No：1652
- Displayed Date：2023/04/25 19:00
- Category： Application
I converted SEL/DSEL instructions of MICREX-F to SX referring to manual FEH588-2. However, warning appeard 'DL** is overlapped with address range f...

This warning appears when the memory (DL) that is assigned to file declaration created for the timer/counter current values overlaps with the DL memory that... Show Detail
- No：1653
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)