R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication for

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

A 'client' is a device that collects data. Since the PLC is a device from which data is collected, there is no OPC clien

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

The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one

The LEDs of the P-link module (Type_ NP1L-PL1) are designed to blink quickly in accordance with the ON/OFF of a signal.

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

Set the port No. as described below. (1) For NP1L-RS2_ Set '0.' (2) For NP1L-RS4_ Set '1.' See the figure below for th

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

Skip navigation menu

Regional Websites
Americas

USA

Europe

France

Germany
Asia

China

Japan

Singapore

Hong Kong

Korea

Taiwan

India

Malaysia

Thailand

Indonesia

Philippines

Vietnam
Download documents

About Us

About Us Top
Products & Solutions

Products & Solutions Top
Investor Relations

IR Top
Sustainability

Sustainability Top

Font Size
S
M
L

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?

GLOBAL

Search by category

Keyword Search

FAQ within [ Communication (Others) ]

1-10 of Total 53

≪ 1 / 6page ≫

When the MODBUS master standard expansion FB _C_modm operates, the receive status becomes R_STS = 1. This is not shown in the receive status list. ...

R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication format, communication interval and other... Show Detail
- No：1607
- 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
There is an OPC server that supports the MICREX-SX (communication middleware, Type_ NP4N-MDLW). Is there an OPC client?

A 'client' is a device that collects data. Since the PLC is a device from which data is collected, there is no OPC client. Show Detail
- No：1553
- 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
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
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
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
Can I use both P-link and PE-link in one system?

No, you cannot. Show Detail
- No：1523
- Displayed Date：2023/04/25 19:00
For the initial setting of a general-purpose communication module with only one communication port such as NP1L-RS2 and NP1L-RS4, is it correct to ...

Set the port No. as described below. (1) For NP1L-RS2_ Set '0.' (2) For NP1L-RS4_ Set '1.' See the figure below for the setting for each type of genera... Show Detail
- No：1383
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:45
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