Number of occupied points of special ...
Each special function unit/block has 8 occupied points, except for some special function devices. These 8 points do not occupy 8 points of the actual I/O n... More Details >>
Communications with a personal comput...
When a personal computer (GX Works2) is connected to the RS-232C port of a programmable controller, communications between the personal computer and the prog... More Details >>
Terminal blocks for the MELSEC-F series
Whether the terminal block is removable or not differs depending on the series. Types of the terminal blocks for the MELSEC-F series main units are as follow... More Details >>
Necessity of a battery when a memory ...
A battery is not required when a memory cassette is used. This is because the sequence programsstored in the memory cassette, exceptfor RAM memory cassette, ... More Details >>
Externally switching the operating st...
On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Click the "PLC System(1)" tab, and set ... More Details >>
Types of data backup methods (FX3G se...
1. Data backup using an optional battery Built-in RAM data and clock data of a programmable controller are held by using an optional battery. The life of... More Details >>
Using the FX3U-ENET-ADP and the RS-23...
Up to two of the following optional communication equipment, including the FX3U-ENET-ADP (for Ethernet communications), can be used for the FX3U/FX3UC series... More Details >>
Turning on a bit in the data register
In the FX3U/FX3UC series, the bit specification of the data register is possible. (Example) D0.7→7th bit in D0 For the other types of MELSEC-F programmable... More Details >>
For the sink input, the "S/S" terminal and the "24V" terminal are needed to be short-circuited. More Details >>
Ethernet-connectable modules in MELSEC-F
The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series (both Ver. 2.21 or later). The FX3U-... More Details >>
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