The LG terminal is a line filter ground terminal in the power supply module. It is intended for guiding any external noi

In exponentiation operation, when a negative value is used for the base, the result is 0.

The EN and ENO terminals of functions mean the start operation terminal and the operation result terminal, respectively.

Check that the terminating plug is attached. Check also that the SX bus expansion cable is not broken. You need to att

We recommend you use an unmanaged switch, without B.S protection that is an industrial hub fulfilling the conditions of

It is possible with the Ethernet module software version V36 or later by using the F_READ (read)/F_WRITE (write) FB. Af

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

This error occurs if data is received and the receive buffer is attempted to be overwritten while data in the receive b

No, they won't. The programs will be executed from top to bottom for each task to which they are assigned, 'DEFAULT,' '

R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication for

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What is the difference between the LG and FG terminals of the power supply module (Type_ NP1S-22)?

The LG terminal is a line filter ground terminal in the power supply module. It is intended for guiding any external noise produced in the power supply or sw... Show Detail
- No：1374
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 10:52
- Category： Main unit
In ST language, when I use a negative value for the base of exponentiation (such as -2.0**4.0), the calculation result is different from the case w...

In exponentiation operation, when a negative value is used for the base, the result is 0. Show Detail
- No：1551
- Displayed Date：2023/04/25 19:00
- Category： Application
What is the meaning of EN and ENO of functions in Expert (D300win)?

The EN and ENO terminals of functions mean the start operation terminal and the operation result terminal, respectively. ・When the variable connected to the... Show Detail
- No：1476
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:31
- Category： Support tool (D300win)
In the diagnostic screen, error message 'Fatal failure SX bus error Time up error of deciding SBM use mode' appeared. What are the possible cause...

Check that the terminating plug is attached. Check also that the SX bus expansion cable is not broken. You need to attach an SX bus terminating plug at bot... Show Detail
- No：1648
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
Can I use a commercially available hub for FL-net modules?

We recommend you use an unmanaged switch, without B.S protection that is an industrial hub fulfilling the conditions of use for FL-net. * What is 'B.S'?... Show Detail
- No：1465
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:28
- Category： Communication (Others)
Is it possible to read and write the IP address and port reference number of an Ethernet module (Type_ NP1L-ET1) by using a user application?

It is possible with the Ethernet module software version V36 or later by using the F_READ (read)/F_WRITE (write) FB. After writing, the power (or reset) o... Show Detail
- No：1370
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:42
- Category： Communication (Ethernet)
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)
A communication error (overrun error or receive buffer overflow) occurred on communication module (NP1L-RS1/RS2/RS3/RS4/RS5). What are the possible...

This error occurs if data is received and the receive buffer is attempted to be overwritten while data in the receive buffer is being read to the memory in ... Show Detail
- No：1629
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)
When I create multiple programs in the program configuration with the D300win, will these programs be executed in the order shown in the program co...

No, they won't. The programs will be executed from top to bottom for each task to which they are assigned, 'DEFAULT,' 'FIXED_CYCLE' and 'EVENT' respectively. Show Detail
- No：1538
- Displayed Date：2023/04/25 19:00
- Category： Support tool (D300win)
When the MODBUS master standard expansion FB _C_modm operates, the receive status becomes R_STS = 1. This is not shown in the receive status list. ...

R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication format, communication interval and other... Show Detail
- No：1607
- Displayed Date：2023/04/25 19:00
- Category： Communication (Others)