SB822 3BSE018172R1 Rechargeable battery unit ABB

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Essential details：SB822 3BSE018172R1 Rechargeable battery unit ABB

Products Description

External DIN-rail mounted rechargeable battery unit for AC 800M controllers, including lithium-ion battery, 24V DC connector, and connection cable TK821V020. Width=85 mm. Equivalent amount of Lithium metal=0,8g (0,03oz)

SB822

What are the two different ones you mean? FX2N and PLC?
PLC is logic can be turned into controller English abbreviation, you learn FX2N is Mitsubishi PLC inside a FX series.
Expansion unit and expansion module should be a kind of equipment, may be to see two places, there is a difference in the name of PLC by the central processor CPU module, power module, input and output module (analog and digital modules) and expansion module, in general, the first three are integrated in a whole module, For example, you learn FX2N you see the entity is a square module, when you design the actual application points are not enough, you need to use the extension module, can be connected with the PLC body through a special data line. Expansion module is also input/output module, input/output points can be selected according to the actual application.

There are three main differences between PLC expansion module and PLC host.

1. Functional differences:

PLC expansion module is mainly in order to enrich the PLC host function to use, the main commonly used digital extension module, analog extension module, communication module. In many cases, due to the complex control requirements of the control object, these modules are not integrated into the host, so it is necessary to add these extension modules to meet the system control requirements.

PLC host adopts a programmable memory, in its internal storage of the execution of logic operations, sequence control, timing, counting and arithmetic operations and other operation instructions, through digital or analog input and output to control various types of mechanical equipment or production process.

2. Differences in use

PLC expansion module can not be used alone, it just cooperate with the host to increase the function. Just like we use the computer, it has its own function, and if you want to print things to connect to the printer, the computer is equivalent to the PLC host, the printer is equivalent to the expansion module.

PLC host according to the production control needs, can be used alone to complete the work, only in their own points are not enough or need to increase other functions will be added according to the requirements of the expansion module.

lf you need to inquire or purchase ,please send the product models to my email or call medirectly .

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