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

The SX-Programmer Expert supports MODBUS communication (master function) using an FB. Communication with a MODBUS slave

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

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

It is the same as the loader mode (mode switch 3) of the general-purpose communication module (Type_ NP1L-RS1/RS2/RS3/RS

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

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

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

Yes, a CPU is necessary. In the case of a system with no CPU, the input status LED does not work even if signals are ext

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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) ]

11-20 of Total 53

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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
Does an RS-485 communication module (Type_ NP1L-RS1/RS4/RS5, etc.) support the MODBUS procedure?

The SX-Programmer Expert supports MODBUS communication (master function) using an FB. Communication with a MODBUS slave device is possible by using SPH_CP... Show Detail
- No：1380
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:45
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
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
What is the communication protocol for the loader port of the CPU module of the MICREX-SX SPH Series?

It is the same as the loader mode (mode switch 3) of the general-purpose communication module (Type_ NP1L-RS1/RS2/RS3/RS4/RS5). Show Detail
- No：1379
- 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 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
Does the general-purpose communication module support the BSC procedure?

No, it doesn't. Show Detail
- No：1293
- 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
Is a CPU necessary to check I/O? Input signals to the input terminals of an input module are turned ON, however, the input status LED remains OFF.

Yes, a CPU is necessary. In the case of a system with no CPU, the input status LED does not work even if signals are externally input into the input module. Show Detail
- No：1537
- Displayed Date：2023/04/25 19:00

11-20 of Total 53

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