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

No, it does not support multicast transmission (sending/receiving). It does support broadcast transmission (sending/re

It seems that this problem was caused by an improper address setting for INDAT/OUTDAT assigned to the counter FB termina

Pulse output completion is indicated by the 'Command pulse zero' signal. Normally, it is '1' to indicate the status of

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

If this is caused by a fluctuation in the input temperature, moving average processing shown below may improve the condi

For setting parameter values (such as P, I and D), it is possible to_ (1) Set the data within the user application

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

The PID FB is assumed to be processed in a periodic task. The integration time is calculated by multiplying the periodic

The redundant function of the SPH Series provides redundancy only for the CPU and it cannot make the Ethernet redundant.

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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 ]

11-20 of Total 235

≪ 2 / 24page ≫

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)
Does the Ethernet module of the MICREX-SX (Type_ NP1L-ET1/ET2) support TCP/IP multicast transmission (sending/receiving)?

No, it does not support multicast transmission (sending/receiving). It does support broadcast transmission (sending/receiving). Show Detail
- No：1536
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
In the standard expansion counter FB _MHCNTH, CH0 operates but CH1 does not.

It seems that this problem was caused by an improper address setting for INDAT/OUTDAT assigned to the counter FB terminal. On a single module, assign the sa... Show Detail
- No：1539
- Displayed Date：2023/04/25 19:00
- Category： Function
Which is the signal that indicates pulse output completion on the positioning control module (Type_ NP1F-MP2)?

Pulse output completion is indicated by the 'Command pulse zero' signal. Normally, it is '1' to indicate the status of completion. When the number of pulses... Show Detail
- No：1548
- Displayed Date：2023/04/25 19:00
- Category： Function
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)
The temperature measurement value of the resistance temperature sensor (PT input) is unstable.

If this is caused by a fluctuation in the input temperature, moving average processing shown below may improve the condition. 1) Change the digital filter v... Show Detail
- No：1586
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:56
- Category： I/O
For PID control by using a PID FB package, how should I set the various parameters?

For setting parameter values (such as P, I and D), it is possible to_ (1) Set the data within the user application (2) Use 'PID FB parameter support ut... Show Detail
- No：1296
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 14:18
- Category： Function
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
In the PID FB, why is the integration time set by the number of periods and not by ms?

The PID FB is assumed to be processed in a periodic task. The integration time is calculated by multiplying the periodic task period in ms by the number of p... Show Detail
- No：1390
- Displayed Date：2023/04/25 19:00
- Category： Function
Is it possible to have redundant (duplicate) Ethernet communication via the Ethernet interface module (Type_ NP1L-ET1/ET2) in a redundant system of...

The redundant function of the SPH Series provides redundancy only for the CPU and it cannot make the Ethernet redundant. Show Detail
- No：1392
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)