One M_OPEN consumes one port of SPORT_NO, which is the local port. RPORT_NO is the port of the other end of the communi

Yes, it is possible. Use a card with the following memory capacities_ SPH300_ 2 GB or less SPH2000_ 32 GB or less (PI

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

It may be caused by noise. Check the surrounding environment and wiring routes for any problem. The lowered communicati

You can use it provided that the system is a single-unit system (configured with one base only). Connect the connectors

To reference data written with F_WRITE by using an external application program (such as Excel), you can follow the meth

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

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

When the working CPU is running (in a normal or a nonfatal fault condition) and the standby CPU is standing by, the cha

You can mount or remove a CPU module during system operation, but not a power supply module. [Related document] For th

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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 ≫

I use the Ethernet module (NP1L-ET1/ET2) and using communication FB (M_OPEN). M_OPEN sets two ports of RPORT_NO and SPORT_NO. Does this mean that o...

One M_OPEN consumes one port of SPORT_NO, which is the local port. RPORT_NO is the port of the other end of the communication seen from the SX. Show Detail
- No：1643
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
Is it possible to use a commercial CF card for the CPU module supporting CF card mounting?

Yes, it is possible. Use a card with the following memory capacities_ 　SPH300_ 2 GB or less SPH2000_ 32 GB or less (PIO mode supporting model) Note that so... Show Detail
- No：1593
- Displayed Date：2023/04/25 19:00
- Category： Accessory
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
- Category： Communication (Others)
I find the TER_LED of the T-link master module (Type_ NP1L-TL1) sometimes illuminated. The communication speed is lowered when it occurs.

It may be caused by noise. Check the surrounding environment and wiring routes for any problem. The lowered communication speed is assumed to be because t... Show Detail
- No：1339
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:34
- Category： Communication (T-link)
I don't have the SX bus loop-back plug (Type_ NP8B-BP). Can I use the SX bus cable instead?

You can use it provided that the system is a single-unit system (configured with one base only). Connect the connectors at both ends of the cable to IN and ... Show Detail
- No：1543
- Displayed Date：2023/04/25 19:00
- Category： Accessory
Is it possible to use an external application program (such as Excel) to read data written to a memory card with 'F_WRITE' by using the R type of t...

To reference data written with F_WRITE by using an external application program (such as Excel), you can follow the methods below because the data is written... Show Detail
- No：1443
- Displayed Date：2023/04/25 19:00
- Category： Application
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
- Category： Communication (Others)
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)
In a redundant system (SPH300 or SPH2000 with StandardV3), when I change the program online (Load the changed program into PLC), is the changed pr...

When the working CPU is running (in a normal or a nonfatal fault condition) and the standby CPU is standing by, the changed program is loaded into both CPUs... Show Detail
- No：1647
- Displayed Date：2023/04/25 19:00
- Category： Support tool (Standard)
Can I mount or remove a CPU module and a power supply module on a hot plug base board while the system power is on?

You can mount or remove a CPU module during system operation, but not a power supply module. [Related document] For the details of hot plugging function, r... Show Detail
- No：1600
- Displayed Date：2023/04/25 19:00
- Category： Main unit