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

Selecting the DCE mode for the communication parameter_ DCE designation keeps DSR always on.

The received data is cleared to 0. Therefore, be sure not to read (ignore) the data by application program. Reopening th

No, they are not synchronized. The configuration flag cannot be used for that application. Use the broadcast area for

One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion F

Yes, it is possible. Of the parameter setting items of initialization, changes made to specific parameter items (such as

The existing MICREX-F program does not need any modification.

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

In the system definition, group-type slave stations in any I/O configuration are registered as 'DeviceNet capsule.' In a

When the common memory system is used, this can be achieved by handshaking with an application using part of the link me

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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) ]

1-10 of Total 53

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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
When does the port status_ DSR (data set ready) in a structure variable_ RAS of the non-procedural standard expansion FB for communication remain on?

Selecting the DCE mode for the communication parameter_ DCE designation keeps DSR always on. Show Detail
- No：1297
- Displayed Date：2023/04/25 19:00
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...

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
When the power of P/PE-link is cycled, 0 data is transmitted, which I want to mask with an application. Are the configuration flag and the broadcas...

No, they are not synchronized. The configuration flag cannot be used for that application. Use the broadcast area for handshaking using the application to ... Show Detail
- No：1631
- Displayed Date：2023/04/25 19:00
With D300win, I used a non-procedural FB (_C_free) in a program for compilation and an error occurred. What is the cause of this problem?

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
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...

Yes, it is possible. Of the parameter setting items of initialization, changes made to specific parameter items (such as frame detection, code conversion and... Show Detail
- No：1639
- Displayed Date：2023/04/25 19:00
An existing P-link system is composed of MICREX-F. If part of it is replaced with P-link of MICREX-SX, does the existing MICREX-F program need to b...

The existing MICREX-F program does not need any modification. Show Detail
- No：1319
- Displayed Date：2023/04/25 19:00
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
I use DeviceNet interface module (NP1L-RD1) under DeviceNet master (NP1L-DN1). How can I specify NP1L-RD1 in the system definition?

In the system definition, group-type slave stations in any I/O configuration are registered as 'DeviceNet capsule.' In addition, the numbers of input and out... Show Detail
- No：1644
- Displayed Date：2023/04/25 19:00
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?

When the common memory system is used, this can be achieved by handshaking with an application using part of the link memory. Without handshaking, it is not... Show Detail
- No：1638
- Displayed Date：2023/04/25 19:00

1-10 of Total 53

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