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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Using a commercially-available SD memory card for a MELSEC iQ-R series CPU module
For the commercially-available SD memory cards that can be used for MELSEC iQ-R series CPU modules, refer to the following technical bulletin. - TECHNICAL ... More Details >>
- No:22461
- Release Date:2018/09/03 17:28
- Update:2018/09/18 15:46
- Category: MELSEC iQ-R Series
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Regarding TPDO and RPDO allocation
RWr is allocated to TPDO and RWw is allocated to RPDO. More Details >>
- No:44479
- Release Date:2024/07/02 19:06
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding the MQTT Communication Function Publish Program
You can't program it with the ladder program alone. To use the MQTT communication and email functions, you must use the module FB and program it. More Details >>
- No:40051
- Release Date:2023/08/25 11:48
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding firmware updates for newly purchased CPU modules
You can still update the firmware. More Details >>
- No:39300
- Release Date:2023/02/13 16:40
- Category: MELSEC iQ-F Series , CPU Module
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Pulse output type of the FX3U-1PG pulse output block
It is transistor output. Transistor output specifications are as follows. ・ Rated load voltage 5 to 24 V DC ・ Maximum load current 20 mA or lower More Details >>
- No:24972
- Release Date:2019/04/23 07:19
- 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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How to use built-in high-speed counters
For contacts to drive the coils of high-speed counters, use the contacts which are normally on during high-speed counting. Do not use the input (X000 to X00... More Details >>
- No:24684
- Release Date:2019/02/22 11:38
- Update:2019/02/22 15:03
- Category: MELSEC-F Series , High-Speed Counting
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Differences between the AJ65SBTB1-16TE and AJ65SBTB1B-16TE1
The following shows the major differences. -AJ65SBTB1-16TE - 1-wire terminal block, 1-common type - Maximum load current: 0.1 A/point -Protection fu... More Details >>
- No:23083
- Release Date:2018/09/03 17:31
- Update:2018/09/26 13:16
- Category: Network related products
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I cannot open a project file of PX Developer.
When the total number of characters in the drive/path and project name exceeds 149 one-byte characters (74 two-byte characters), the message "The drive path ... More Details >>
- No:22947
- Release Date:2018/09/03 17:30
- Update:2018/09/25 10:58
- Category: Engineering Software
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Identifying an SFC program block in execution
Specify a block in the cross reference list and search it. (For block 1, search BL1, for example.) More Details >>
- No:22907
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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