Yes, you can use NP1L-RS1/RS4/RS5 for RS-422 devices. RS-485 is upper compatible with RS-422. There are two connection t

When connected via 10BASE-T, you can replace it. There is no need to change the system definition. Before replacement, s

Use an optical fiber cable (Type 2-C-LAP) provided by Sumitomo Electric Industries, Ltd.

No, it does not support the DPV1 function. It supports the DPV0 (I/O communication) function.

The base board that plays the role of a hub of optical converter modules is not represented in the system definitions.

You don't need a dedicated cable. Since the parameters will be set via the CPU module, you need a loader cable for the

It is not possible. Each module comply to following FL-net standards. NP1L-FL1 : FL-netVer1 NP1L-FL2 : FL-netVer2

RS-485 is upper compatible with RS-422. In general, RS-422 devices mainly use 4-wire connection method, while RS-485 dev

They are retained. Note, however, that they are cleared if the power of the FL-net module is turned off.

Unfortunately, information in a device connected to the master module cannot be read even by building a user application

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GLOBAL > PLC > SPH > Communication (Others)

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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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
Can I replace NP1L-FL2 with NP1L-FL3 for FL-net communication?

When connected via 10BASE-T, you can replace it. There is no need to change the system definition. Before replacement, set the switches on the front of the N... Show Detail
- No：1524
- Displayed Date：2023/04/25 19:00
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
Does the PROFIBUS-DP master/slave module (Type_ NP1L-PD1/PS1) support the DPV1 (message communication) function?

No, it does not support the DPV1 function. It supports the DPV0 (I/O communication) function. Show Detail
- No：1391
- Displayed Date：2023/04/25 19:00
Is there anything I should take note of when using an optical converter module (Type_ NP1L-OL1/OL2) as a hub on one base board?

The base board that plays the role of a hub of optical converter modules is not represented in the system definitions. When the power supply (PS) of the sam... Show Detail
- No：1351
- Displayed Date：2023/04/25 19:00
When I write parameter to LonWorks module (NP1L-LW1) using support tool for a LonWorks (NP4N-LNDF), what is the required cable?

You don't need a dedicated cable. Since the parameters will be set via the CPU module, you need a loader cable for the PLC and the program loader software. Show Detail
- No：1676
- Displayed Date：2023/04/25 19:00
Can we use an FL-net module (Type_ NP1L-FL1/FL2/FL3) and standard LAN device with same network?

It is not possible. Each module comply to following FL-net standards. NP1L-FL1 : FL-netVer1 NP1L-FL2 : FL-netVer2 NP1L-FL3 : FL-netVer3(Class1) In FL-... Show Detail
- No：1416
- Displayed Date：2023/04/25 19:00
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
When the communication cable is disconnected with an FL-net module (Type_ NP1L-FL1/FL2/FL3), are the FL-net common memory data retained? Or are the...

They are retained. Note, however, that they are cleared if the power of the FL-net module is turned off. Show Detail
- No：1405
- Displayed Date：2023/04/25 19:00
Is there any way to check the vendor ID, product code, product revision, serial No., etc. of the slave from the DeviceNet master module (Type_ NP1L...

Unfortunately, information in a device connected to the master module cannot be read even by building a user application. Please use the dedicated configura... Show Detail
- No：1387
- Displayed Date：2023/04/25 19:00