When you do not check 'RETAIN' on the variable worksheet (default), the variable is treated as a non-retain memory. Wh

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

Yes, you can use FNC130A-C10 in combination with FNC120A-C10. Attach the same type of optical adapters at the both ends

Set the number of timers according to the number actually used. By simply specifying 8192 or a larger value as the time

This only stops the operating CPU and the operation is not switched to the standby CPU.

As an alternative, you can combine hardware and software functions. (1) Hardware_ Prepare a relay output card and use

No, you can't. Although the connection of the sending/receiving wires of the SX bus cable is the same as that for a com

A 'client' is a device that collects data. Since the PLC is a device from which data is collected, there is no OPC clien

The module counts feedback pulses even without Z-phase pulse signals. Note that when Z-phase pulse signals are not prov

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

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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 ]

201-210 of Total 398

≪ 21 / 40page ≫

When compiling a D300win project, an error message appears saying 'This variable address： %M* 3.z is treated as a retain memory.' Why does this mes...

When you do not check 'RETAIN' on the variable worksheet (default), the variable is treated as a non-retain memory. When you check 'RETAIN,' the variable i... Show Detail
- No：1368
- Displayed Date：2023/04/25 19:00
- Category： Support tool (D300win)
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)
Instead of FNC120A-C10, can I use FNC130A-C10?

Yes, you can use FNC130A-C10 in combination with FNC120A-C10. Attach the same type of optical adapters at the both ends of the optical fiber. FNC130A has t... Show Detail
- No：1282
- Displayed Date：2023/04/25 19:00
- Category： Communication (T-link)
A global timer with the Standard Loader, T8192 or a larger value must be specified as the timer address. Do I need to set the number of timers as 8...

Set the number of timers according to the number actually used. By simply specifying 8192 or a larger value as the timer number, a global timer can be used. Show Detail
- No：1635
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)
What happens when I set the key switch of the operating CPU to STOP while using the redundancy function of the SPH300? Is the operation switched t...

This only stops the operating CPU and the operation is not switched to the standby CPU. Show Detail
- No：1588
- Displayed Date：2023/04/25 19:00
- Category： Main unit
The SPH does not have a RUN contact. Is there any alternative?

As an alternative, you can combine hardware and software functions. (1) Hardware_ Prepare a relay output card and use one point as a RUN contact. 　(2) Sof... Show Detail
- No：1587
- Displayed Date：2023/04/25 19:00
- Category： Main unit
Can I use a commercial LAN cable for the SX bus instead of the dedicated cable?

No, you can't. Although the connection of the sending/receiving wires of the SX bus cable is the same as that for a commercial LAN cable (cross), the dedica... Show Detail
- No：1557
- Displayed Date：2023/04/25 19:00
- Category： Accessory
There is an OPC server that supports the MICREX-SX (communication middleware, Type_ NP4N-MDLW). Is there an OPC client?

A 'client' is a device that collects data. Since the PLC is a device from which data is collected, there is no OPC client. Show Detail
- No：1553
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
The feedback pulses of the pulse train duplex positioning control module (Type_ NP1F-MP2) have A and B phases only and do not have Z-phase pulses. ...

The module counts feedback pulses even without Z-phase pulse signals. Note that when Z-phase pulse signals are not provided, origin return operation is dis... Show Detail
- No：1549
- Displayed Date：2023/04/25 19:00
- Category： Function
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)