Local devices are devices which can be independently used for each program.When multiple independent programs are execut

Specify the file in the Write to PLC window and execute writing.

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in

Those displayed under COMMENT are common comments, and others are program comments.When there are multiple programs in a

The maximum number of steps that an online change can process at a time is 512.

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

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

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time

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FAQ within [ MELSEC-Q Series ]

91-100 of Total 213

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Local devices

Local devices are devices which can be independently used for each program.When multiple independent programs are executed, using local devices allows progra... More Details >>
- No：22531
- Release Date：2018/09/03 17:28
How to write to file registers in Q series

Specify the file in the Write to PLC window and execute writing. More Details >>
- No：22585
- Release Date：2018/09/03 17:29
How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>
- No：22571
- Release Date：2018/09/03 17:29
Device comment

Those displayed under COMMENT are common comments, and others are program comments.When there are multiple programs in a project, a common comment applies to... More Details >>
- No：22540
- Release Date：2018/09/03 17:28
Maximum apparent power of the power supplies of Q00JCPU and Q00UJCPU

Both are 105 VA. More Details >>
- No：22538
- Release Date：2018/09/03 17:28
The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>
- No：22672
- Release Date：2018/09/03 17:29
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
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
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
Behavior of sequence program in event of momentary power failure in QCPU

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>
- No：22587
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:41

91-100 of Total 213

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