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

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

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

Check if 24 VDC power is supplied to "1A7" (pin No.) of the external input signal connector.

To establish communications between the programmable controller and GX Developer, clear the communication setting. (The

The maximum number of connections for the simple CPU communication function of FX5 CPU module is 16 for FX5U/FX5UC CPU m

The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series

Select [Tool] -> [Confirm Memory Size] to check the amount.

Minor error 120 occurs in the following case:The zero pass signal (M2406+20n) is OFF when the re-movement to the home po

It depends on the setting of servo parameter "[PA03] Absolute position detection system" whether the HPR request flag ("

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FAQ within [ Controllers ]

961-970 of Total 1123

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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
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
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
Input/output signal

Check if 24 VDC power is supplied to "1A7" (pin No.) of the external input signal connector. More Details >>
- No：23594
- Release Date：2018/09/14 15:09
- Category： RD77MS , QD77MS , QD75MH , QD75M
No communication between a programmable controller and a personal computer (GX Developer) after the communication parameters for the RS-232C communication equipment are set

To establish communications between the programmable controller and GX Developer, clear the communication setting. (The communication setting register value ... More Details >>
- No：24876
- Release Date：2019/04/15 08:07
- Category： MELSEC-F Series , Engineering Software , Main Unit
Regarding maximum number of connections for the simple CPU communication function

The maximum number of connections for the simple CPU communication function of FX5 CPU module is 16 for FX5U/FX5UC CPU module and 8 for FX5UJ/FX5S CPU module... More Details >>
- No：40032
- Release Date：2023/08/24 15:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Ethernet-connectable modules in MELSEC-F

The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series (both Ver. 2.21 or later). The FX3U-... More Details >>
- No：22270
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , Network/Communication
Checking the amount of free space of the memory in GX Developer/GX Works2

Select [Tool] -> [Confirm Memory Size] to check the amount. More Details >>
- No：22851
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Minor error120

Minor error 120 occurs in the following case:The zero pass signal (M2406+20n) is OFF when the re-movement to the home position is performed by proximity dog,... More Details >>
- No：23559
- Release Date：2018/09/14 15:09
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
HPR request flag

It depends on the setting of servo parameter "[PA03] Absolute position detection system" whether the HPR request flag ("[Md.31] Status": b3) turns ON or not.... More Details >>
- No：23618
- Release Date：2018/09/14 15:09
- Category： RD77MS , RD77GF , FX5SSC

961-970 of Total 1123

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