The BUSY signal turns ON even when position control of movement amount "0" is executed.However, since the ON time is sho

When used as a master station, communication with a slave station can be performed using the simple CPU communication or

FX5U/FX5UC/FX5UJ CPU modules cannot perform firmware update using GX Works3. Use the SD memory card to update the firmwa

Error 2035 (Command frequency error) occurs when the servo amplifier detects a command frequency error. (1) When the com

Set "[Cd.16] Inching movement amount", and turn ON the Forward run JOG start signal or the Reverse run JOG start signal.

In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decim

The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink in

Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from

The following shows the initialization procedure. (1) Turn OFF the PLC ready flag. (2) Turn ON "[Cd.2] Parameter initia

Yes. You can check the servo status through the following monitor data. • "[Md.108] Servo status 1" • "[Md.125] Servo st

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Controllers

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

Controllers

Programmable Automation Controllers MELSEC(28)

MELSEC MX Controller MX-R Model
MELSEC MX Controller MX-F Model(28)
MELSEC MX Controller Engineering Software
Programmable Controllers MELSEC(1731)

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)
MELSEC-Q Series(213)
MELSEC-L Series(105)
MELSEC-F Series(457)
Network related products(110)
Engineering Software(129)

Motion Controllers(414)

MELSEC iQ-R Series(73)
MELSEC iQ-F Series(29)
MELSEC-Q Series(247)
MELSEC-L Series(64)
Engneering software(1)

FAQ within [ Controllers ]

61-70 of Total 1123

prev 7 / 113page next

BUSY signal

The BUSY signal turns ON even when position control of movement amount "0" is executed.However, since the ON time is short, the ON status may not be detected... More Details >>
- No：23612
- Release Date：2018/09/14 15:09
- Category： RD77MS , RD77GF , FX5SSC , QD77MS , QD77GF , LD77MS , LD77MH , QD75MH , QD75M , QD74MH
Regarding MODBUS/TCP communication of the built-in Ethernet port

When used as a master station, communication with a slave station can be performed using the simple CPU communication or the predefined protocol support func... More Details >>
- No：22302
- Release Date：2018/08/30 13:55
- Update：2022/12/22 08:52
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding how to update the firmware of the FX5 CPU module

FX5U/FX5UC/FX5UJ CPU modules cannot perform firmware update using GX Works3. Use the SD memory card to update the firmware. However, the FX5S CPU module sup... More Details >>
- No：39325
- Release Date：2023/02/14 09:03
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Error 2035

Error 2035 (Command frequency error) occurs when the servo amplifier detects a command frequency error. (1) When the command from the controller is the permi... More Details >>
- No：23616
- Release Date：2018/09/14 15:09
- Category： QD77MS , QD77GF , LD77MS , LD77MH , QD75MH , QD75M , QD74MH
Inching operation

Set "[Cd.16] Inching movement amount", and turn ON the Forward run JOG start signal or the Reverse run JOG start signal. More Details >>
- No：23590
- Release Date：2018/09/14 15:09
- Category： RD77MS , RD77GF , FX5SSC , QD77MS , QD77GF , LD77MS , LD77MH , QD75MH , QD75M
Using a specified bit (on/off) of a word device (D) as a condition for a contact

In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decimal point + Bit position (0 to F)". A... More Details >>
- No：22261
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Engineering Software , Main Unit
Meanings of the sink input/source input

The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink input is generally used in Japan and No... More Details >>
- No：22254
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , I/O Extension
Assignment of input/output numbers (MELSEC-F series)

Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to... More Details >>
- No：24868
- Release Date：2019/04/15 08:06
- Category： MELSEC-F Series , Engineering Software , Main Unit
Parameter initialization

The following shows the initialization procedure. (1) Turn OFF the PLC ready flag. (2) Turn ON "[Cd.2] Parameter initialization request". [QD75M, QD75MH, LD... More Details >>
- No：23602
- Release Date：2018/09/14 15:09
- Category： QD77MS , QD77GF , LD77MS , LD77MH , QD75MH , QD75M
Servo status

Yes. You can check the servo status through the following monitor data. • "[Md.108] Servo status 1" • "[Md.125] Servo status 3" (QD77MS, LD77MS, LD77MH) ... More Details >>
- No：23588
- Release Date：2018/09/14 15:09
- Update：2023/03/09 10:02
- Category： QD77MS , QD77GF , LD77MS , LD77MH , QD75MH , QD75M

61-70 of Total 1123

Inquiries

page top