If comments cannot be stored in the program memory, write them in the standard ROM or a memory card. Calculate the memor

(1) When it happened no longer than the allowable momentary power failure time. The module records an error log a

To prevent an LED from turning on when an error occurs, set 0 to the relevant factor number setting area (4 bits for eac

(1) The number of modules to be connected- Main block: up to 10 modules- Extension block: up to 11 modules(2) The number

It is possible to remove L61P and use L63P.

The QBF_Open ( ) function or mdOpen ( ) function is required for every task. Do not share the PATH acquired using an Ope

Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers an

The communication can be established using the following methods. - Using the socket communication function of both CPU

For 100BASE-TX, shielded twisted pair cables (STP cables) with category 5 can be used.For 10BASE-T, Straight and unshiel

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Controllers > Programmable Controllers MELSEC

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

Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(564)

CPU Module(158)
I/O Module(5)
Analog(13)
High-Speed Counter(13)
Motion/Positioning(11)
Network/Communication(83)
Option(9)
Engineering Software(55)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

761-770 of Total 976

prev 77 / 98page next

PLC write not possible due to memory overload

If comments cannot be stored in the program memory, write them in the standard ROM or a memory card. Calculate the memory capacity in GX Works2 or GX Develop... More Details >>
- No：22767
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Operation during power failure

It stops during execution. More Details >>
- No：22764
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Behavior of sequence program in event of momentary power failure in LCPU

(1) When it happened no longer than the allowable momentary power failure time. The module records an error log and suspends the operation processing. Ho... More Details >>
- No：22756
- Release Date：2018/09/03 17:30
- Update：2018/09/22 10:43
- Category： MELSEC-L Series
Method to prevent the BAT.LED from turning on

To prevent an LED from turning on when an error occurs, set 0 to the relevant factor number setting area (4 bits for each) in SD207 to SD209. To disable the ... More Details >>
- No：22754
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
The number of LCPU extension blocks

(1) The number of modules to be connected- Main block: up to 10 modules- Extension block: up to 11 modules(2) The number of extension blocks- L02CPU, L02CPU-... More Details >>
- No：22750
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
L63P compatibility with L series CPU packages

It is possible to remove L61P and use L63P. More Details >>
- No：22742
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
Execution in a multi task environment

The QBF_Open ( ) function or mdOpen ( ) function is required for every task. Do not share the PATH acquired using an Open function with other tasks.Also, exe... More Details >>
- No：22678
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Numbers of devices the automatic communication parameter of the MODBUS(R) interface module accept for writing and reading

Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers and holding registers for reading- 1968... More Details >>
- No：22668
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Communication between the Ethernet port on the universal model QCPU and the built-in Ethernet port on the LCPU

The communication can be established using the following methods. - Using the socket communication function of both CPU modules - Using the simple PLC comm... More Details >>
- No：22664
- Release Date：2018/09/03 17:29
- Update：2018/09/21 13:51
- Category： MELSEC-Q Series
Recommended cables for the MODBUS(R) interface module QJ71MT91

For 100BASE-TX, shielded twisted pair cables (STP cables) with category 5 can be used.For 10BASE-T, Straight and unshielded twisted pair cables (UTP cables) ... More Details >>
- No：22659
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series

761-770 of Total 976

Inquiries

page top