11/27/2018 7:58 AM | |
Joined: 3/27/2017 Last visit: 3/19/2024 Posts: 54 Rating:
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Hello every one ... please i have questions on analog input output signals for 1200 CPU Assume the voltage range for the module and the analog sensor is [0 to 10v]: Q-1- : if used analog input /output module with resolution 14 bit the range of norm-x will be [0 to 16384] or [0 to 27648] ????? Q-2- : i mean the range [0 to 27648] is constant for all resolutions bits or not. what about 10 ,11,12,13,14,15,bit resolution???? ------------------------------------------------------------------------------------------ |
Last edited by: Jen_Moderator at: 11/27/2018 9:33:19 AMNew subject after splitting |
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11/28/2018 10:19 AM | |
Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating:
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hi enof, no, you don´t lose precision the full representation of an analog value(with overflow) is 32768 which representates exactly 16bit(with a sign bit). thats logical, because the values are stored in an integer, which also has 16bit. A Module with less resolution is also representing the value in an integer. For example, a module with 13-bit resolution is capable of incrementing the values in steps of 8 units Have a look in this manual, that may helps to understand, chapter 3: SIMATIC S7-1500, ET 200MP, ET 200SP, ET 200AL, ET 200pro, ET 200eco PN Analog value processing hope this helps, regards, |
FCK WAR! |
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