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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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The SPH system automatically inherits information such as the communication ports and reopening processing is not required. Show Detail
- No：1292
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
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Which optical fiber cable for an SX bus should I choose for outdoor use?
Use an optical fiber cable (Type 2-C-LAP) provided by Sumitomo Electric Industries, Ltd. Show Detail
- No：1315
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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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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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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No, you cannot. Use the dedicated loader cable (Type_NW0H-CA3). Show Detail
- No：1511
- Displayed Date：2023/04/25 19:00
- Category： Support tool
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Which mode does the Ethernet module (Type_ NP1L-ET1/ET2) support, half or full?
Only the NP1L-ET1 supports both modes automatically (auto negotiation). Since the NP1L-ET2 is designed for 10Base5 (coaxial), it is fixed to half duplex. Show Detail
- No：1554
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
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In PPID, a POU for the PID FB package, which range does the % of proportional band P account for?
Proportional band P is the % of the variation range of input PV required for the change of output MV in the effective variation range from 0 to 100%. It is... Show Detail
- No：1580
- Displayed Date：2023/04/25 19:00
- Category： Function
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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
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One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion FBs including _C_FREE, register common... Show Detail
- No：1329
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:32
- Category： Communication (Others)
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This is because the SX bus loop-back plug is not connected. Connect a loop-back plug to the base board. Show Detail
- No：1335
- Displayed Date：2023/04/25 19:00
- Category： Error
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