The 95, 96, and 98 of the 3RW44 soft starter are comprehensive faults, what causes it to act?
95, 96, 98 are normally open and normally closed comprehensive fault contacts with common points, 95 are common points, 95/96 are normally closed contacts, and 95/98 are normally open contacts. When a malfunction occurs, it causes contact action. For details of which faults cause comprehensive fault actions, see the system manual "Diagnosis and Status Information". Please note that this contact only operates in the event of a fault, and the warning does not operate.
Give the 3RW44 soft starter a stop signal, will the fan stop immediately?
A9: The 3RW44 soft start fan takes power from the control power supply, after giving the soft starter a starting signal, the fan starts to run, and after giving the stop signal, the fan will not stop immediately, it will run for a period of time (about ten minutes) before it stops running.
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The S7-300/400 communicates with SINAMICS S120 via the DP bus
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The Siemens S7-1200 analog input module receives highly variable and unstable values
The possible causes are as follows:
1. It is possible that the analog input module and the field sensor use self-powered or isolated power supplies respectively, and the two power supplies are not connected to each other, that is, the power supply of the analog input module and the signal ground of the field sensor are not connected; This will result in a high ...
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Siemens SIMATIC S7-1200 PLC hardware composition and its characteristics
SIMATIC S7-1200 PLC
The S7-1200 series is a Programmable Logic Controller (PLC) that can control a wide range of automation applications. The S7-1200 has a compact design, low cost, and a powerful instruction set.
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Basic data types supported by Siemens S7-1200
The basic data types supported by the Siemens S7-1200 include the following:
Boolean data is a one-digit binary number, the value of which is 0 or 1, and the constant value of the data is TRUE, FALSE, 0, 1, etc. The byte-type data is an eight-digit binary number, and the value scale is 16-base 00 to 16-base FF, ...
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Update the firmware version of your S7-1200 CPU with a 24M memory card
1. Use your computer to erase the contents of the memory card through a card reader. Note: Do not format the memory card!
2. Download the latest version of the firmware file from the official website of Siemens. After downloading and unzipping, you can get a "S7_JOB.SYS" file and a "FWUOPDATE. S7S ...
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Siemens S7-1200 CPU motion control and high-speed counter function
1. S7-1200 CPU motion control
S7-1200 Body Motion Control Axis Resources:
In open-loop control mode, the maximum number of pulse axes is 4 and cannot be expanded.
In closed-loop control mode: S7-1200 with firmware version V4.1 and above can be used in ...
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Siemens PLC communication mode
1. Serial communication
Siemens PLC supports serial port communication, in S7-200 and S7-200Smart, all directly integrate serial ports, but from S7-1200 to S7-1500, gradually canceled, if required, can be increased by the method of expansion module, the reason for this phenomenon ...
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Siemens 3RM Motor Starter - Safety Integrity Level for ATEX Explosion Protection Applications
Questions:
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Answer:
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What are the features of the memory card used by the Siemens S7-1200 CPU
The memory card used by the S7-1200CPU is an SD card, which can store user project files, and has the following main functions:
1. As the loading storage area of the CPU, the user project files can only be stored in the card, there are no project files in the CPU, and they cannot be run without the memory card.
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How to understand the trip level of Siemens 3RW soft starter (Class level)
The trip class (Class class) defines the time frame during which a tripping must be carried out from the cold state when the current of a three-symmetrical load (e.g. a three-phase motor load) is 7.2 times the operating current Ie. Trip time:
Siemens 3RW soft starter is divided into light and heavy load starting motors according to trip level ...
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Upload user files to a Siemens memory card
Upload user files to the memory card
Step 1: Follow the above method to set the memory card to "Program Card" mode. Customers are advised to clear all files from the memory card before doing this.
Step 2: Set the boot state of the CPU. Right-click the CPU in the Project Tree and select ...
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Features of the Siemens S7-1200 memory card
The memory card used by the S7-1200 CPU is an SD card, which can store user project files and has the following three functions:
As a mount store for the CPU, user project files can be stored only on the card, without project files in the CPU, they cannot run without the memory card.
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