When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back

The default receive complete code is CR+LF (0DH, 0AH). The default received data count is 511 words. Hence, at their def

Select [Tool] -> [Options] -> [Program Editor] -> "Ladder/SFC"-> "Comment" and change "Reference/Reflection

The constant scan initial value in the simulation function is 100ms. Thus, the value of SM410(0.1sec. clock) is OFF in e

The Web server function allows you to log in from up to four devices at the same time. You can't log in from the fifth m

The station number setting is not required for non-protocol communication.

The present scan time is stored in D8010. Monitor the value using a programming tool such as GX Works2 and GX Developer.

Check the following signals. • Start accept flag (M2001 to M2032) • Positioning start complete signal (M4000+20n (n: Axi

This function allows data communications between specified devices at the specified timing, using the built-in Ethernet.

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O

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161-170 of Total 1123

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Receiving back (echoing back) the same data sent from QJ71C24N

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>
- No：23000
- Release Date：2018/09/03 17:31
- Update：2018/09/25 17:44
- Category： Network related products
Reception data read request signal of QJ71C24N not turn ON

The default receive complete code is CR+LF (0DH, 0AH). The default received data count is 511 words. Hence, at their defaults, Reception data read request si... More Details >>
- No：22984
- Release Date：2018/09/03 17:31
- Update：2018/09/25 17:22
- Category： Network related products
Inputting device comments in GX Works2

Select [Tool] -> [Options] -> [Program Editor] -> "Ladder/SFC"-> "Comment" and change "Reference/Reflection Target for Device Comment" from "Glob... More Details >>
- No：22559
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Behavior of special relay in simulation

The constant scan initial value in the simulation function is 100ms. Thus, the value of SM410(0.1sec. clock) is OFF in each scan. To turn ON/OFF SM410, set ... More Details >>
- No：22521
- Release Date：2018/09/03 17:28
- Update：2018/09/20 14:23
- Category： MELSEC-Q Series
Regarding simultaneous access to Web Server function

The Web server function allows you to log in from up to four devices at the same time. You can't log in from the fifth machine. More Details >>
- No：39330
- Release Date：2023/02/14 09:06
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Station number setting in the "PLC System(2)" tab of PLC Parameter setting on GX Developer when non-protocol communication is performed

The station number setting is not required for non-protocol communication. More Details >>
- No：24948
- Release Date：2019/04/18 14:27
- Category： MELSEC-F Series , Main Unit , Network/Communication
How to check the scan time (MELSEC-F series)

The present scan time is stored in D8010. Monitor the valueusing a programming tool such as GX Works2 and GX Developer. More Details >>
- No：24685
- Release Date：2019/02/22 11:40
- Update：2019/02/22 15:07
- Category： MELSEC-F Series , Engineering Software , Main Unit
Virtual servomotor

Check the following signals. • Start accept flag (M2001 to M2032) • Positioning start complete signal (M4000+20n (n: Axis No.-1)) More Details >>
- No：23552
- Release Date：2018/09/14 15:09
- Update：2023/02/08 10:39
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
Simple PLC communication function

This function allows data communications between specified devices at the specified timing, using the built-in Ethernet. Device data such as production data ... More Details >>
- No：22737
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
Error code "2100" in QCPU

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O assignment setting of the PLC parame... More Details >>
- No：22650
- Release Date：2018/09/03 17:29
- Update：2018/09/21 11:47
- Category： MELSEC-Q Series

161-170 of Total 1123

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