FAQ


FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC
FAQ
Keyword Search
Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
-
Ethernet communication after the replacement of an external device
Personal computers have different MAC addresses and an Ethernet module hold a MAC address. Hence the MAC address that the Ethernet module currently holds is ... More Details >>
- No:22665
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
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
-
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
-
Uncheck "Check battery", an item of "Error Check", in the [PLC RAS setting] ([PLC Parameter] -> [PLC RAS setting]). More Details >>
- No:22681
- Release Date:2018/09/03 17:29
- Update:2018/09/21 14:12
- Category: MELSEC-Q Series
-
Setting of "Target MODBUS(R) device head number"
Set "(Last five digits of actual device number) - 1" for the Target MODBUS(R) device head number.Example) For the holding register 400018, set "17". More Details >>
- No:22682
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
Difference between L02CPU-P and L02CPU
In L02CPU-P, the general-purpose output of the built-in I/O is source type. In L02CPU, the general-purpose output of the built-in I/O is sink type. More Details >>
- No:22743
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
-
Communication between CPUs via built-in Ethernet port in LCPU
The following communication methods are available between the built-in Ethernet ports in the L series CPUs.- Simple PLC communication function- Socket commun... More Details >>
- No:22746
- Release Date:2018/09/03 17:29
- 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
-
Versions of built-in Ethernet port LCPU compatible with SNTP function
The initial version and subsequent versions of L series CPU support the SNTP function. More Details >>
- No:22769
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
-
Versions of LCPU compatible with LJ71E71-100
The L series CPU serial numbers with upper 5 digits of "14112" or later indicate compatibility with LJ71E71-100. More Details >>
- No:22770
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
191-200 of Total 1023