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

The SX-Programmer Expert supports MODBUS communication (master function) using an FB. Communication with a MODBUS slave

Check the feedback pulse wiring (to make sure that a shielded twisted pair is used, wiring conditions are appropriate, e

To use a CF card as user ROM of the SPH Series, you need to format the CF card and initialize it (generate folders and f

Yes, they are. The maximum size is 32 words including the actual data, start code, end code, and BCC. (The same applies

Since the data equalization (data copying from the operating CPU to the standby CPU) is performed after the default task

You cannot access general memory other than the memory for the multi-CPU from the other CPU. Access using the direct rea

The product type without 'RI' judges ON/OFF of the inputs by current. On the other hand, the product type with 'RI' jud

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

The existing MICREX-F program does not need any modification.

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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 ]

71-80 of Total 235

≪ 8 / 24page ≫

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)
Does an RS-485 communication module (Type_ NP1L-RS1/RS4/RS5, etc.) support the MODBUS procedure?

The SX-Programmer Expert supports MODBUS communication (master function) using an FB. Communication with a MODBUS slave device is possible by using SPH_CP... Show Detail
- No：1380
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:45
- Category： Communication (Others)
The current feedback value of the positioning control module (Type_ NP1F-MP2) changes even when the CPU module (Type_ NP1P*-***) is stopped. What c...

Check the feedback pulse wiring (to make sure that a shielded twisted pair is used, wiring conditions are appropriate, etc.). One possible reason for the c... Show Detail
- No：1421
- Displayed Date：2023/04/25 19:00
- Category： Function
What operation do I need to use a CF card as a user ROM card used for the CPU module of the SPH Series (SPH300 or SPH2000)?

To use a CF card as user ROM of the SPH Series, you need to format the CF card and initialize it (generate folders and files in the user ROM). The format sh... Show Detail
- No：1439
- Displayed Date：2023/04/25 19:00
- Category： Accessory
When using Cfr32, are the start code, end code, and BCC included in the maximum data size?

Yes, they are. The maximum size is 32 words including the actual data, start code, end code, and BCC. (The same applies to _Cfr64, _Cfr128, _Cfr252, and _Cfr... Show Detail
- No：1495
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
In the redundant CPU system, the cycle of the default task takes 70 ms. It takes only several microseconds with a single-CPU system. Why is such a ...

Since the data equalization (data copying from the operating CPU to the standby CPU) is performed after the default task is processed, the larger the size of... Show Detail
- No：1568
- Displayed Date：2023/04/25 19:00
- Category： Main unit
I have configured a multi-CPU system, but the system has run out of memory for the multi-CPU. Can I access the common general memory from the other...

You cannot access general memory other than the memory for the multi-CPU from the other CPU. Access using the direct read/write FB is used for the access to ... Show Detail
- No：1645
- Displayed Date：2023/04/25 19:00
- Category： Main unit
There are two types of AC input modules, for 100V (NP1X1610, NP1X1610-RI) and 200V (NP1X1611, NP1X1611-RI). What is the difference between the prod...

The product type without 'RI' judges ON/OFF of the inputs by current. On the other hand, the product type with 'RI' judges ON/OFF of the inputs by voltage. ... Show Detail
- No：1650
- Displayed Date：2023/04/25 19:00
- Category： I/O
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
An existing P-link system is composed of MICREX-F. If part of it is replaced with P-link of MICREX-SX, does the existing MICREX-F program need to b...

The existing MICREX-F program does not need any modification. Show Detail
- No：1319
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)