UI4 is not supported by the specification with the VB automation interface. Meanwhile, UI4 is supported by the custom in

It takes place only when data are received from an external device.

It is full duplex for both hardware and software (firmware) for anything other than communication by M_RECEIVE and M_SEN

Usually, set the CPU No. to 0. The CPU No. 0 works as a master of an SX bus system. In a multi-CPU system or a CPU redu

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

Once an error history is generated, it is retained internally within the FL-net module and is cleared when the power is

If the CPU supports user ROM (CF or SD card), you can do it by sending the program data for operation to the site by e-m

The SX does not allow the use of a single SPORT_NO (range_ 1 to 127) for multiple connections simultaneously. When you w

No, it is not possible. Use an encoder of the line-driver or open-collector output type. When using a line-driver type,

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

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GLOBAL > PLC > SPH

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 I set the high-speed counter module (NP1F-HC2) to the preset operation mode of the multi-functional counter FB, the preset is disabled in the ...
Are there any restrictions on the mounting position of the I/O modules and communication modules on the base? I'd like to place the communication m...
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...
When I attempted to download a project to a CPU with user ROM card by using D300win, a message appeared saying 'Invalid loader command process!' an...

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FAQ within [ SPH ]

41-50 of Total 235

≪ 5 / 24page ≫

Is communication possible with the UI4 type not supported based on the manual description of the SX communication middleware (Type_ NP4N-MDLW)?

UI4 is not supported by the specification with the VB automation interface. Meanwhile, UI4 is supported by the custom interface specification. Show Detail
- No：1381
- Displayed Date：2023/04/25 19:00
- Category： Support tool
When does the standard expansion FB for communication_ Cfrp2 refresh the port status in the structure variable_ RAS?

It takes place only when data are received from an external device. Show Detail
- No：1400
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
With a general-purpose communication module, is RS232C completely full duplex?

It is full duplex for both hardware and software (firmware) for anything other than communication by M_RECEIVE and M_SEND on the SX bus, which are FB interna... Show Detail
- No：1413
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
A CPU module has a rotary switch (0 to F) for setting the CPU No. on its front. What CPU No. should I set?

Usually, set the CPU No. to 0. The CPU No. 0 works as a master of an SX bus system. In a multi-CPU system or a CPU redundant system which uses multiple CPU ... Show Detail
- No：1504
- Displayed Date：2023/04/25 19:00
- Category： Main unit
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
- Category： Communication (Others)
How does the FL-net module (Type_ NP1L-FL1/FL2/FL3) clear the error history recorded in each memory?

Once an error history is generated, it is retained internally within the FL-net module and is cleared when the power is turned off and turned on again or whe... Show Detail
- No：1567
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
There is no loader at the site. Is there any way to change the program?

If the CPU supports user ROM (CF or SD card), you can do it by sending the program data for operation to the site by e-mail or another method and then transf... Show Detail
- No：1592
- Displayed Date：2023/04/25 19:00
- Category： Main unit
When I use the Ethernet module (NP1L-ET1), can I use a same message port No. (SPORT_NO) to establish multiple connections (use multiple M_OPEN)?

The SX does not allow the use of a single SPORT_NO (range_ 1 to 127) for multiple connections simultaneously. When you want to connect multiple ports, use a ... Show Detail
- No：1668
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
Is it possible to use an encoder of the complementary output type for the high-speed counter module (Type_ NP1F-HC2)?

No, it is not possible. Use an encoder of the line-driver or open-collector output type. When using a line-driver type, pay attention to the output capacity ... Show Detail
- No：1320
- Displayed Date：2023/04/25 19:00
- Category： Function
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
- Category： Communication (Others)