Yes, they are. The maximum size is 32 words including the actual data, start code, end code, and BCC. (The same applies

The following are necessary. 1) Hardware: General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose fi

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

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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When using Cfr32, are the start code, end code, and BCC included in the maximum data size?

Yes, they are. The maximum size is 32 words including the actual data, start code, end code, and BCC. (The same applies to _Cfr64, _Cfr128, _Cfr252, and _Cfr... Show Detail
- No：1495
- Displayed Date：2023/04/25 19:00
What is necessary for MODBUS_RTU communication between SPH and an external device?

The following are necessary. 1) Hardware: General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose firmware version is V42 or later ... Show Detail
- No：1469
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:29
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