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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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What is the difference between the LG and FG terminals of the power supply module (Type_ NP1S-22)?
The LG terminal is a line filter ground terminal in the power supply module. It is intended for guiding any external noise produced in the power supply or sw... Show Detail
- No：1374
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 10:52
- Category： Main unit
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It is possible with the Ethernet module software version V36 or later by using the F_READ (read)/F_WRITE (write) FB. After writing, the power (or reset) o... Show Detail
- No：1370
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:42
- Category： Communication (Ethernet)
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Use the 'Excitation timing output' signal for the Z-phase pulse when a stepping motor is used. Show Detail
- No：1574
- Displayed Date：2023/04/25 19:00
- Category： Function
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What is the difference between RS-485 and RS-422 ?
RS-485 is upper compatible with RS-422. In general, RS-422 devices mainly use 4-wire connection method, while RS-485 devices mainly use 2-wire connection met... Show Detail
- No：1521
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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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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While NP1F-HC2 requires an external power supply of 5 V DC, NP1F-HC8 produces 5 V DC within the module from an external 24 V DC power supply and does not req... Show Detail
- No：1341
- Displayed Date：2023/04/25 19:00
- Category： Function
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With a general-purpose communication module, is RS232C completely full duplex?
It is full duplex for both hardware and software (firmware) for anything other than communication by M_RECEIVE and M_SEND on the SX bus, which are FB interna... Show Detail
- No：1413
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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The received data is cleared to 0. Therefore, be sure not to read (ignore) the data by application program. Reopening the FB (turning the 'OPEN' terminal fro... Show Detail
- No：1672
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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It enables reception only when CD (Carrier Detection) is ON. (Other operations are the same as those in the DTE mode.) Show Detail
- No：1598
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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I use the Ethernet module (Type_NP1L-ET1). Is the IP address assigned automatically?
The IP address is not assigned automatically. (DHCP function is not supported.) The default IP address is '192.168.0.1'. You can check the IP address b... Show Detail
- No：1595
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
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