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

No, you can't. Although the connection of the sending/receiving wires of the SX bus cable is the same as that for a com

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

The equivalent data is retained for one default task during switching and the standby CPU starts execution from the begi

When connected via 10BASE-T, you can replace it. There is no need to change the system definition. Before replacement, s

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

Use the following types of configurators: 'CONF-PDP' for NP1L-PD1 and 'NetTool for Profibus' for NP1L-PD2. Purchase a co

The general-purpose communication function of Ethernet allows simplified broadcast communication. By using a CPU with b

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

The file transfer error occurs because the module driver is downloaded with the Ethernet module not recognized by the CP

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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 ]

111-120 of Total 235

≪ 12 / 24page ≫

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
Can I use a commercial LAN cable for the SX bus instead of the dedicated cable?

No, you can't. Although the connection of the sending/receiving wires of the SX bus cable is the same as that for a commercial LAN cable (cross), the dedica... Show Detail
- No：1557
- Displayed Date：2023/04/25 19:00
- Category： Accessory
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
- Category： Communication (Others)
How does the redundant system handle tasks being executed when the operation is switched from an operating CPU to a standby CPU?

The equivalent data is retained for one default task during switching and the standby CPU starts execution from the beginning of the task. Show Detail
- No：1530
- Displayed Date：2023/04/25 19:00
- Category： Main unit
Can I replace NP1L-FL2 with NP1L-FL3 for FL-net communication?

When connected via 10BASE-T, you can replace it. There is no need to change the system definition. Before replacement, set the switches on the front of the N... Show Detail
- No：1524
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
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)
What is the type of the configurator that is used with NP1L-PD1/PD2?

Use the following types of configurators: 'CONF-PDP' for NP1L-PD1 and 'NetTool for Profibus' for NP1L-PD2. Purchase a configurator from HMS Industrial Networ... Show Detail
- No：1494
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
Can I perform broadcast communication between CPU modules without using FL-net or P/PE-link module?

The general-purpose communication function of Ethernet allows simplified broadcast communication. By using a CPU with built-in Ethernet, you can build a bro... Show Detail
- No：1485
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
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)
When I use an Ethernet module (Type_ NP1L-ET□) to download the system definitions and module driver, a file transfer error is generated. Why?

The file transfer error occurs because the module driver is downloaded with the Ethernet module not recognized by the CPU. For the CPU to recognize the Ethe... Show Detail
- No：1404
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)