FAQ
FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC > Network related products
FAQ
Keyword Search
FAQ within [ Network related products ]
-
Data length for fixed buffer data communications by QJ71E71
The units of send data and receive data are shown below. - Fixed buffer data communications with the "Procedure Exist" control method: Words - Fixed buff... More Details >>
- No:23061
- Release Date:2018/09/03 17:31
- Update:2018/09/26 11:17
-
Continuous executions of protocols by the QJ71C24N series CPRTCL instruction
One CPRTCL instruction can execute a maximum of eight protocols. More Details >>
- No:23050
- Release Date:2018/09/03 17:31
-
RS-485 connection between LJ71C24 and an external device
Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device. More Details >>
- No:23048
- Release Date:2018/09/03 17:31
-
Applicable size for plug-in connector socket block on QJ71C24N-R4
Use the plate terminal packaged with the module. The size of the plate terminal is 1.0 mm wide with a thickness of 0.8 mm. More Details >>
- No:23043
- Release Date:2018/09/03 17:31
-
Whether or not multiple QJ72LP25-25 modules can be mounted
No, only a single QJ72LP25-25 can be mounted (and is to be mounted on the CPU slot on a main base unit). More Details >>
- No:23042
- Release Date:2018/09/03 17:31
-
Connecting QJ71C24N to an external device that has no DTR signal
Carry out DTR and DSR wiring that returns signals on QJ71C24N(-R2). More Details >>
- No:23039
- Release Date:2018/09/03 17:31
-
Read and write operations for CC-Link buffer memory
There is no problem in writing/reading data into/from the buffer memory using a FROM/TO instruction with the refresh device setting left blank.The refresh de... More Details >>
- No:23015
- Release Date:2018/09/03 17:31
-
Detecting the number of disconnections when using QJ71E71-100
The number of disconnections detected can be checked by reading the buffer memory address 5203H (Disconnection detection count). Disconnections are detected ... More Details >>
- No:23003
- Release Date:2018/09/03 17:31
- Update:2018/09/25 17:49
-
CC-Link master modules' start I/O No. and refresh devices RX/RY
The I/O numbers used for I/O modules and intelligent function modules cannot be used as refresh targets for RX/RY. Use the I/O numbers greater than those use... More Details >>
- No:22997
- Release Date:2018/09/03 17:31
-
Unit of receive data used by the QJ71C24N series pre-defined protocol support function
The fixed data is used for specific codes and character strings such as a command. Setting a device is not required. More Details >>
- No:23049
- Release Date:2018/09/03 17:31
101-110 of Total 110