Clock function accuracy of the MELSEC...
The accuracy is within ±45 seconds/month (ambient temperature: 25ºC). More Details >>
Setting day of the week when using th...
Day of week is automatically set. When data written to the data register for storing day-of-the-week data is within the setting range (K = 0 to 6), the day ... More Details >>
Models of the MELSEC-F series main units
"E" represents AC power supply and "D" represents DC power supply. The alphabets following "E" and "D" represent output types. "S" represents replay output... More Details >>
How to check the version of the MELSE...
To check the version of the MELSEC-F series, connect GX Works2 (personal computer) or HPP to a programmable controller, and monitor the data in D8001. The l... More Details >>
In order for the programmable controller to receive input pulses completely, the ON duration and OFF duration of inputs in the programmable controller requir... More Details >>
Maximum number of characters in a com...
As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>
Thecomment may not have been written tothe programmable controller. Or, the comment display setting may be required on the GX Works2 side. [Writing a com... More Details >>
I/O structure error in the MELSEC-F
When an unimplemented input (X) or output (Y) number is used in a program, M8060 turns on. The first to third digits of the numericalvalue stored in D8060 i... More Details >>
Necessity for installing a noise filter
Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller is used in an environment with much no... More Details >>
How to ground programmable controllers
For your safety, programmable controllers must be grounded. Incomplete common grounding within the control panel or common grounding with heavy electrical s... More Details >>
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