Complete information about the Siemens S75, introduction to the main products of the Siemens S7 seri

Hello dear, happy to answer for you. The main product introduction of Siemens S7 series is as follows: Siemens' PLC consists of multiple series, which can meet the needs of a variety of automation control.

Among them, the most widely used is the S7 series PLC, including the small S7-200PLC, the medium and large S7-300 PLC and S7-400 PLC. This article takes S7-200PLC as an example. The SIMATIC S7 programmable controller family includes the miniature PLC (S7-200) series, the low energy series (S7-300) and the medium and high energy series (S7-400).

The SIMATIC M7M7 PLC system brings the XING capabilities of an AT-compatible machine to the PLC or, conversely, adds the functions of the PLC to the computer and maintains a familiar programming environment. The complete system of the SIMATIC C7 series consists of a PLC (S7-300), an HMI operator panel and a process monitoring system. The integration of the PLC with the operation panel can make the entire control equipment smaller and better.

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1. Siemens S7-200 series PLC indicator description.

The S7-200 series PLC indicator usually includes SF, RUN, STOP indicators and on-in and out-out indicators, the current running state of the CPU can be judged through the SF, RUN and STOP three indicators, and the status of the PLC on-in and out-out points can be judged through the on-in and out-out indicators, which are as follows:

1. SF indicator: only the PLC is lit (red) when there is a fatal error, and it is off in other cases; In the fault state, you can view the corresponding fault information and fault ** through the PLC information in the menu bar, and the detailed fault information and fault ** comparison table are attached to the PLC help file, which can be used for troubleshooting.

2. RUN indicator: light up (green) when the CPU is in the running state, and turn off when the CPU is in the stopped state;

3. STOP indicator: light up (green) when the CPU is in the stop state, and turn off when the CPU is in the running state;

4. Open in and out indicator: located on each open in and out module, according to the bit indication, the bit is lit when it is 1 (green), and it is off when the bit is 0.

2. Siemens S7-200 series PLC DIP switch description.

The S7-200 series PLC CPU module DIP switch contains three positions: Run, Temp, and Stop, which are described as follows:

1. Run: The PLC will automatically enter the running state when powered on; The PLC cannot be run (run) and stop (stop) operation in the programming software; In the running state, the DIP switch is turned to the temp position, which does not affect the operation; In the running state, the DIP switch is directly hit to the STOP position, and the PLC enters the stop state.

2. TEMP: PLC will automatically enter the running state when powered on; The PLC can be run (run) and stop (stop) operation in the programming software; In the running state, the DIP switch is turned to the run position, which does not affect the operation; When the DIP switch is turned to the STOP position in the running state, the PLC enters the stop state.