Siemens Power Board C98043-A7007-L5

Siemens power board C98043-A7007-L5 is a power board designed for Siemens S7-300 series PLC. It has multiple functions and interfaces to meet the needs of different application scenarios.

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Product Introduction

Functional features
Mode selection switch:
RUN—Running mode: In this mode, the programmer can monitor the operation of the CPU and read the program; but it cannot command the CPU to RUN or STOP, and cannot rewrite the program. The key can be pulled out in this position.
STOP—Stop mode: The CPU does not scan the user program. When the switch is in this position, the programmer can read and write the program and the key can be pulled out.
MRES—Memory reset mode (MEMORY RESET): used to reset the memory of the CPU.

Interfaces and ports
MPI—Multi-Point Interface: also known as the programming port, which can be connected to a programmer or other devices.
DP (PtP)—PROFIBUS DP network interface or P point-to-point connection (oint to Point) interface: The existence or type of this interface depends on the CPU model.
Battery box: A lithium battery can be installed to save the program and some data during a power outage.

Functions related to mode selection
RUN (running mode) function
In RUN mode, the programmer can monitor the operating status of the CPU and read the program at the same time.
However, in this mode, the programmer cannot issue RUN or STOP instructions to the CPU, nor can it rewrite the program, and the key can be pulled out in this position.
STOP (stop mode) function
When in STOP mode, the CPU will not scan the user program.
At this time, the programmer has the ability to read and write programs, and can also pull out the key.
MRES (memory reset mode) function
This mode is mainly used for memory reset (MEMORY RESET) operation.

Storage related functions
Its corresponding CPU panel (the old model has a FEPROM slot, and the new model cancels the battery and FEPROM slot) uses a micro memory (MMC) card.
The storage capacity of the MMC card is large, ranging from 64KB to 8MB. It can not only store programs, but even the entire project (Project).

Interface related functions
MPI interface function
MPI stands for Multi-Point Interface, also known as programming port.
It can connect a programmer or other devices to implement corresponding data interaction and other functions.
DP (PtP) interface function
DP (PtP) is the interface of PROFIBUS DP network or P point-to-point connection (oint to Point) interface.
Whether it exists and what kind of interface it is depends on the CPU model.

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Technical features
Large capacity storage: Adopts micro memory (MMC) card, with storage capacity of up to 64KB to 8MB, which can be used not only to store programs, but even to store entire projects.
Multiple interfaces: Equipped with MPI (multipoint interface), DP (PROFIBUS DP network interface) and other interfaces to meet different connection requirements.
Battery backup function: Built-in battery box can save programs and part of data during power outages to ensure the continuity and security of important information.

Application scenarios
Siemens power board C98043-A7007-L5 is widely used in various automation control systems, especially in situations where stable power supply and high reliability are required. Its multi-functional interface design enables it to easily connect various sensors and actuators to achieve complex control logic.

 

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