Specify the target memory in the Read from PLC window and execute reading.

The RS-232 cable should meet RS-232 standards and not exceed 15 m in length.The RS-422/485 cable should meet specificati

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear op

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device

The cost is included in the price of C Controller modules. Extra payment is not required.

The following settings are required for the "Open Setting" for the number of connected external devices.- Protocol: "UDP

Some of the F2-40BL batteries installed to a programmable controller are mounted on the printed circuit board. The separ

The analog input type (temperature/voltage/current) and offset/gain can be set for each channel.

For communications using MELSOFT connection, such as GX Developer, GX Works2, GOT1000, and MX Component, up to two perso

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(643)

CPU Module(179)
I/O Module(5)
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Engineering Software(61)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

521-530 of Total 1010

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How to read device data and file registers in Q series

Specify the target memory in the Read from PLC window and execute reading. More Details >>
- No：22564
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Recommended cables for MODBUS(R) interface module QJ71MB91

The RS-232 cable should meet RS-232 standards and not exceed 15 m in length.The RS-422/485 cable should meet specifications described in the following manual... More Details >>
- No：22566
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Using the automatic communication function and dedicated instructions at the same time in MODBUS (R) interface module (QJ71MB91)

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>
- No：22577
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:06
- Category： MELSEC-Q Series
Cause of file register reset by latch clear operation in universal model QCPU

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... More Details >>
- No：22584
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:31
- Category： MELSEC-Q Series
Q series device data held in the case of a power failure

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device Setting] window) is held when a pow... More Details >>
- No：22638
- Release Date：2018/09/03 17:29
- Update：2018/09/21 11:37
- Category： MELSEC-Q Series
Cost of runtime licenses for VxWorks

The cost is included in the price of C Controller modules. Extra payment is not required. More Details >>
- No：22653
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
LCPU built-in Ethernet port setting when using the simple PLC communication function

The following settings are required for the "Open Setting" for the number of connected external devices.- Protocol: "UDP"- Open System: "MELSOFT connection" More Details >>
- No：22739
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
External appearance of the F2-40BL

Some of the F2-40BL batteries installed to a programmable controller are mounted on the printed circuit board. The separately available F2-40BL batteries (sp... More Details >>
- No：24771
- Release Date：2019/02/27 15:17
- Category： MELSEC-F Series , Accessories
Selection of analog inputs

The analog input type (temperature/voltage/current) and offset/gain can be set for each channel. More Details >>
- No：24902
- Release Date：2019/04/15 11:31
- Category： MELSEC-F Series , Analog Control
Maximum number of personal computers that can be communicated with the FX3U-ENET-L simultaneously

For communications using MELSOFT connection, such as GX Developer, GX Works2, GOT1000, and MX Component, up to two personal computers can be used. In additi... More Details >>
- No：24920
- Release Date：2019/04/17 11:41
- Category： MELSEC-F Series , Network/Communication

521-530 of Total 1010

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