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FAQ within [ MELSEC-F Series ]
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Using a specified bit (on/off) of a word device (D) as a condition for a contact
In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decimal point + Bit position (0 to F)". A... More Details >>
- No:22261
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Maximum number of characters in a comment that can be transferred to a FX3U series
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 >>
- No:24700
- Release Date:2019/02/27 08:59
- Category: MELSEC-F Series , Engineering Software , Main Unit
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All input COM terminals send the same signal because all the terminals are internally connected. To turn on the input, the extension unit must be connected ... More Details >>
- No:22274
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension
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Output frequency of the FX3U-1PG pulse output block
It is from 1 Hz to 200 kHz. More Details >>
- No:24981
- Release Date:2019/04/23 07:21
- Category: MELSEC-F Series , Positioning Control
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Use of latched (battery backed) type auxiliary relay
If the OUT instruction using a latched (battery backed) type auxiliary relay number exists in a sequence program, the information held may be overwritten by ... More Details >>
- No:24877
- Release Date:2019/04/15 08:07
- Category: MELSEC-F Series , Main Unit
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Types of Batteries used in MELSEC-F
F2-40BL: Lithium thionyl chloride primary battery FX2NC-32BL: Lithium thionyl chloride primary battery FX3U-32BL: Manganese dioxide lithium primary battery F... More Details >>
- No:22265
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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Programmable controllers with no battery (MELSEC-F)
A battery is used for backing up program memory and latched device data and maintaining clock operation in the event of a power failure. The FX3S/FX3G/FX3G... More Details >>
- No:22259
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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Battery replacement during power-on
Replacethe battery when the programmable controller is powered off. For example, forthe FX3U/FX3UC series, data will be held for about 20 seconds after be... More Details >>
- No:22257
- Release Date:2018/08/30 13:48
- Update:2019/02/19 11:54
- Category: MELSEC-F Series , Main Unit , Accessories
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Turn off the drive contact of the WR3A instruction. More Details >>
- No:24872
- Release Date:2019/04/15 08:06
- Category: MELSEC-F Series , Analog Control
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Connection of a memory cassette and a display module to the FX3G series main unit
For the 14/24-point type FX3G series main unit, they cannot be connected together. For the 40/60-point type FX3G series main unit, they canbe connected toget... More Details >>
- No:24978
- Release Date:2019/04/23 07:20
- Category: MELSEC-F Series , Main Unit
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