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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 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...
- I use DeviceNet interface module (NP1L-RD1) under DeviceNet master (NP1L-DN1). How can I specify NP1L-RD1 in the system definition?
- In the communication module (NP1L-RS1/RS2/RS3/RS4/RS5), is it possible to change communication parameter such as fixed length to variable length af...
- With the FL-net module (NP1L-FL1/FL2/FL3), is there any way to confirm that the data sent from the node-A have actually been received by the node-B?
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FAQ within [ Communication (Others) ]
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It counts the number of transmissions of message processing M_RECEIVE and M_SEND performed on the SX bus. Show Detail
- No：1569
- Displayed Date：2023/04/25 19:00
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Can I use a router for FL-net?
You cannot use a router because FL-net does not support the use of subnet. *Related document: For the notes on using FL-net, refer to 'Appendix 2-8 Differen... Show Detail
- No：1589
- Displayed Date：2023/04/25 19:00
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The area is cleared when the power supply is turned off once and turned on again. The P/PE link memory is located in the built-in memory (RAM) of the P/PE-l... Show Detail
- No：1436
- Displayed Date：2023/04/25 19:00
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The total extension of the SX bus has exceeded 25 m. Is there anything to relay the connection?
The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one system. (When three repeaters are us... Show Detail
- No：1550
- Displayed Date：2023/04/25 19:00
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The number of M_OPEN FBs that can be opened simultaneously is limited to 56. The number of FBs that can be simultaneously opened for each module depends on t... Show Detail
- No：1435
- Displayed Date：2023/04/25 19:00
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What is the range of IP addresses that can be used for FL-net?
With FL-net, Class C IP addresses are used. The range of Class C IP addresses is 192.0.0.* to 233.255.255.*. (Range of *_ 1 to 254) Show Detail
- No：1301
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 14:19
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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
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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
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The 'SND' and 'RCV' LEDs on the P-link module (Type_ NP1L-PL1) look dark. Is this a fault?
The LEDs of the P-link module (Type_ NP1L-PL1) are designed to blink quickly in accordance with the ON/OFF of a signal. Although they look dim to the human e... Show Detail
- No：1624
- Displayed Date：2023/04/25 19:00
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Is it possible to use the optical converter NP1L-OL1 between processors as with the P-link?
The optical converter NP1L-OL1 is an optical converter of the SX bus. It cannot be used because the SX bus is not a link between processors. Show Detail
- No：1327
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:31
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