LOGO! functions

4.4 Special functions list - SF

Function block diagram

$,

$,

$,

$,

$QDORJFRPSDUDWRU %

˂$

2QGHOD\

%

 

2IIGHOD\

%

4

4.4.21Analog watchdog

Short description

This special function saves the process variable of an analog input to memory, and sets the output when the output variable exceeds or drops below this stored value plus a configurable offset.

 

Symbol in LOGO!

Wiring

Description

 

 

 

 

 

 

 

 

 

Input En

A positive edge (0 to 1 transition) at input En saves

 

(Q

 

 



$

 

 

 

the analog value at input Ax ("Aen") to memory and

 

 

 

 

 

 

 

 

s ˂

 

 

 

starts monitoring of the analog range Aen - Δ 2 to

 

$[

 

 

 

4

 

 

 

 

 

 

3DU

 

 

 

 

 

 

 

 

Aen+ Δ 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Ax

Input Ax is one of the following analog signals:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• AI1 to AI8 (*)

 

 

 

 

 

 

 

 

 

 

• AM1 to AM6 (if 0BA6) or AM1 to AM16 (if 0BA7)

 

 

 

 

 

 

 

 

 

 

• NAI1 to NAI32 (if 0BA7)

 

 

 

 

 

 

 

 

 

 

• AQ1 to AQ2

 

 

 

 

 

 

 

 

 

 

• NAQ1 to NAQ16 (if 0BA7)

 

 

 

 

 

 

 

 

 

 

• Block number of a function with analog output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

A: Gain

 

 

 

 

 

 

 

 

 

 

Range of values: ±10.00

 

 

 

 

 

 

 

 

 

 

B: Zero offset

 

 

 

 

 

 

 

 

 

 

Range of values: ±10,000

 

 

 

 

 

 

 

 

 

 

Δ1:Difference value above Aen:

 

 

 

 

 

 

 

 

 

 

on/off threshold

 

 

 

 

 

 

 

 

 

 

Range of values: 0-20,000

 

 

 

 

 

 

 

 

 

 

Δ 2:Difference value below

 

 

 

 

 

 

 

 

 

 

Aen: on/off threshold

 

 

 

 

 

 

 

 

 

 

Range of values: 0-20,000

 

 

 

 

 

 

 

 

 

 

p: Number of decimals

 

 

 

 

 

 

 

 

 

 

Range of values: 0, 1, 2, 3

 

 

 

 

 

 

 

 

 

 

Retentivity:

 

 

 

 

 

 

 

 

 

 

/ = No retentivity

 

 

 

 

 

 

 

 

 

 

R = The status is retentive in memory

 

 

 

 

 

 

 

 

 

Output Q

Q is set/reset, depending on the stored analog value

 

 

 

 

 

 

 

 

 

 

and the offset.

 

* AI1...AI8: 0...10 V corresponds with 0...1000 (internal value).

LOGO!

 

 

 

 

 

 

 

 

Manual, 04/2011, A5E03556174-01

 

223

Page 222 Page 224
Page 223
Image 223
Siemens 6ED1050-1AA00-0BE8 manual Analog watchdog, Function block diagram
Page 222 Page 224

6ED1050-1AA00-0BE8 specifications

The Siemens 6ED1050-1AA00-0BE8 is a versatile and essential component in industrial automation and control systems. Designed for a wide range of applications, this device is part of Siemens' extensive portfolio of automation products, renowned for their reliability and innovative technologies.

One of the key features of the Siemens 6ED1050-1AA00-0BE8 is its ability to serve as a communication processor. This device efficiently manages communication between different components within a control system, aiding seamless data transfer across various protocols. The processor supports both standard and advanced communication protocols, which makes it highly adaptable to various environments.

In terms of technology, the 6ED1050-1AA00-0BE8 utilizes advanced bus systems for effective and efficient data exchange. The integration of these bus systems enhances the capacity for real-time data processing, allowing for quick responses to changes in the operational environment. The device also boasts exceptional performance metrics, ensuring not only speed but also accuracy in communication.

The characteristics of this device are noteworthy. It comes equipped with a user-friendly interface, which facilitates straightforward configuration and programming. This feature is particularly beneficial for technicians and engineers, as it minimizes the time required to set up and start using the processor. Additionally, it is designed to work seamlessly with various Siemens automation systems, ensuring compatibility and scalability.

Another significant aspect of the Siemens 6ED1050-1AA00-0BE8 is its robust design. Built to endure the harsh conditions often found in industrial environments, the device features high-quality materials that enhance its durability and longevity. This resilience ensures that it can withstand vibrations, temperature fluctuations, and other potential challenges present in industrial settings.

Furthermore, the device supports flexible installation options, allowing it to be easily integrated into existing systems without extensive modifications. This flexibility is crucial for modern facilities looking to upgrade or expand their automation capabilities without overhauling their entire infrastructure.

In conclusion, the Siemens 6ED1050-1AA00-0BE8 represents a synthesis of reliability, advanced technology, and user-friendly features tailored for industrial automation. Its high adaptability, robust design, and versatile application make it an invaluable tool for optimizing operations and enhancing communication within industrial control systems, cementing its position as a leader in automation solutions.
Top Page Image Contents