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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 ]
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There is a possibility of mismatch between the project in the user ROM card and the CPU memory. On the 'Failure diagnosis' dialog, check the 'Resource inform... Show Detail
- No：1660
- Displayed Date：2023/04/25 19:00
- Category： Support tool
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One possibility is that the compare value is not stored in the compare register of the high-speed counter. The compare value is written by turning the data w... Show Detail
- No：1309
- Displayed Date：2023/04/25 19:00
- Category： Function
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Yes, it is the same. Show Detail
- No：1377
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
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NP1L-RS1/RS4/RS5 support RS-485. Can I use them for RS-422 devices?
Yes, you can use NP1L-RS1/RS4/RS5 for RS-422 devices. RS-485 is upper compatible with RS-422. There are two connection types for RS-422 devices: 2-wire conne... Show Detail
- No：1522
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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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
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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)
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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)
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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
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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
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It depends on your CPU model and how often you conduct regular inspection. The backup time after a battery error is detected is as follows. NP1PS-32/32R:... Show Detail
- No：1312
- Displayed Date：2023/04/25 19:00
- Category： Accessory
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