How to use analog input/output signals modules - analog input output programming examples
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- เผยแพร่เมื่อ 8 มิ.ย. 2020
- in this video, I simply show how to use analog input/output signals modules which is the best tutorial analog signal programming video. I show how we can use an analog input output module for processing and scaling analog signals. Analog signals such as 0 to 10 analog signals to control the analog output module or analog input 4-20ma for both analog input output module. I also developed a shot test program as an application of analog input output programming examples as plc analog inputs and signals as a nice tutorial analog signal programming lesson.
In this video, we discuss analog input/output signals 0 to 10 V, 4 to 20 mA 0 to 20 mA or 4 to 20 mA signals. These signals can be used to control analog field devices such as flow or level transmitters.
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Another great and very helpful video! Thanks Reza!!!
Thanks for your compliment!
thanks for a learing and fruitful video
Glad you like them! thanks for checking out the channel!
Thank you very much Sir !
Most welcome! and thanks for checking out the channel
Very Good！Thanks
Thank you too! :)
Excellent!!!
Thank you! Cheers!, glad you like it!
Nice work
Thank you! Cheers! and welcome to the channel!
Thanks for the video!, looks like there is a mistake on 9:34 , the min is 0 and the max is 27648 is it ?
Thanks so much for watching our videos carefully. You're right and I mentioned this matter before testing (Time 15:20)
Hi Can you please help me as i am new to this programming world
What is the difference between |RAW value and Scaled value do they need to be same always
Hi, usually they are not the same. If you have a 13-bit resolution analog input channel, your raw input range is 0 to 2^13 = 8192, 0 representing the minimum value of your analog signal, 8192 representing the maximum value. analog input modules are suitable for a specific range. If you set it up for 0-20mA, and you connect a 4-20mA sensor, you won't have 0 as a raw value when the sensor output is minimum (4mA). If you want the 4-20mA to represent a water level between 10 and 300 cm, then that is your engineering range, also referred to as scaled range. usually, PLCs have some instructions to scale the received RAW value according to the next formula
scaled value = (raw value * factor +offset) * unit of measurement
thanks for the inquiry
@@plcgoodsmentor9223 Thanks very much for you reply So basically i am an Automation Validation Engineer, While performing FAT f on one of the systems on the HMI they are displaying RAW value and Scaled value for all the analogs of same make and model and signals are coming from same Festo but i see the difference between them is ns 3 deg and for some transmitters it is 0.2 deg . My concern is which is actual field value . If we consider Raw value as actual field value, then i will ask them to calibrate the Instruments . Sorry for this long reply
Hi all, vhen I have a defective Analog I/O module Sinad 6ES7232-4HB32-0XB0, the red LED starts blinking to show me the fault. Can I simply substitute the old defective to a new one or we must manage the soft for the new module recognization? thanks a lot.
Hi there, I've never had your problem, but In my opinion, you can substitute the defective module to a new one with the same model. one time, I changed my CPU module with a similar CPU, and then transferred my project without adjusting the CPU model inside my program. it worked correctly.
Also, If you want to use another type of analog module (with the same input type), you can transfer the PLC program to your computer, modify the selected analog module inside the hardware configuration window, and then transfer the modified program to your PLC
thanks for checking out the channel
Thank you for the tutorial but how to do the conversion blocks using s7 300 cpu since the norm_X & scale_X don't appear when selecting s7 300 cpu
Hi there, note that each PLC may support some instructions that maybe are not used with the others. Also, now we are preparing a course about S7 300. It can help you to use analog signals with S7-300 PLCs.
Thanks for checking the channel out!
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this question is already answered!
Hi Sir, (At Time = 14:45). What will happen if we didn't right the line "Move "0" to Electric Valve" if the level is not below 5. Will the Electric Valve still be open for 16mA current. If the level is not below 5 then the MOVE instruction will not move any value to the Electric Valve so the output analog current will be zero right then why should we have wright this line?
Hi there, If the MOVE instruction is not enabled, then it won't do anything. In this condition, If "Electric Valve" is open, it remains open, and if it is closed, it remains closed as well. So, I needed to write the line "Move 0".
@@plcgoods Thank you so much sir
Sir how to create bridge saw machine plc program?
Answered already!
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Glad to help! Thanks for your comment and concern
the terrible ai voice is unbearable.
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@@plcgoods that's the point, I can't get past the voice over to even appreciate the content. I would rather hear a real human's broken English than a terrible robotic ai voice that sounds like it is from 1987