Use the recommended shielded twisted pair cable mentioned in the User's Manual. Also provide shielding.

While 'DTR_ terminal ready' can be used with RS-232C, this control line is not present for RS-485. If no response is re

Filter instructions are system FBs. System FBs that can be equalized are limited to_ The last value of the edge detectio

The range in terms of description is up to 4096 words respectively. Note, however, that actual message transfer on the S

In Standard loader, to access the input memory from MONITOUCH, cancel the I/O group setting of the input specified as 'n

This only stops the operating CPU and the operation is not switched to the standby CPU.

The near zero signal/command pulse zero signal/positioning end signal/RDY signal of the status information signals are s

Check the following two points (1) To use the EMG/±OT signal, input the 'External power supply 24 V DC.' (2) Check the

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

It is a local/remote data server (OPC server) compatible with Data Access (DA2.0) proposed by OPC (OLE for Process Contr

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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 ]

201-210 of Total 235

≪ 21 / 24page ≫

What measures can I take against external noise of the high-speed counter (Type_ NP1F-HC2)?

Use the recommended shielded twisted pair cable mentioned in the User's Manual. Also provide shielding. Show Detail
- No：1365
- Displayed Date：2023/04/25 19:00
- Category： Function
With communication using RS-485 of a general-purpose communication module (Type_ NP1L-RS□), is there any means to detect a line disconnection?

While 'DTR_ terminal ready' can be used with RS-232C, this control line is not present for RS-485. If no response is received while data are exchanged, re... Show Detail
- No：1322
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:20
- Category： Communication (Others)
I want to equalize filter instructions in a redundant system.

Filter instructions are system FBs. System FBs that can be equalized are limited to_ The last value of the edge detection FB, present counter value of the co... Show Detail
- No：1563
- Displayed Date：2023/04/25 19:00
- Category： Application
What is the transfer data size range for the READ_WORD/WRITE_WORD FB?

The range in terms of description is up to 4096 words respectively. Note, however, that actual message transfer on the SX bus takes place after division into... Show Detail
- No：1410
- Displayed Date：2023/04/25 19:00
- Category： Application
To debug a PLC program without I/O module, I set I/Os as 'no equipment'. Then, I tried to set input contact (X) using switch of MONITOUCH. However,...

In Standard loader, to access the input memory from MONITOUCH, cancel the I/O group setting of the input specified as 'no equipment.' If the input specified... Show Detail
- No：1658
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 14:04
- Category： Support tool (Standard)
What happens when I set the key switch of the operating CPU to STOP while using the redundancy function of the SPH300? Is the operation switched t...

This only stops the operating CPU and the operation is not switched to the standby CPU. Show Detail
- No：1588
- Displayed Date：2023/04/25 19:00
- Category： Main unit
With a positioning control module (Type_ NP1F-MP2/MA2), what are the statuses of the status information signals after power-up?

The near zero signal/command pulse zero signal/positioning end signal/RDY signal of the status information signals are set to [1]. The interrupt input sig... Show Detail
- No：1318
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:17
- Category： Function
When I turned on the positioning control module (Type_ NP1F-MP2/MA2), the EMG/±OT LED lights up and positioning operation is disabled. What causes ...

Check the following two points (1) To use the EMG/±OT signal, input the 'External power supply 24 V DC.' (2) Check the wiring of the external equipment. (T... Show Detail
- No：1601
- Displayed Date：2023/04/25 19:00
- Category： Function
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
- Category： Communication (Others)
Please describe the product SX communication middleware (Type_ NP4N-MDLW).

It is a local/remote data server (OPC server) compatible with Data Access (DA2.0) proposed by OPC (OLE for Process Control) extending OLE/COM for process con... Show Detail
- No：1364
- Displayed Date：2023/04/25 19:00
- Category： Application