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Regarding Siemens SM331 and SM332 Module
Created by: Mohamed Uvais at: 7/6/2013 7:32 PM (46 Replies)
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| 7/6/2013 7:39 PM | |
Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating:
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Dear Mohammed, Did you measured the value forced to AI channel when you inject the 20 mA? Please open a VAT and tell us what is the count value @ injecting the 20mA? How do you normalise the AI count value? Do you use FC105 (SCALE)? |
Last edited by: Ayman Elotaify at: 7/6/2013 7:40 PMAyman Elotaify |
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| 7/6/2013 7:56 PM | |
Joined: 3/15/2011 Last visit: 10/26/2024 Posts: 134 Rating:
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check the count value as per Ayman , the count value must be overflowing above 27468 counts. also check if the channel congiguration is 4-20mA or 0-20 mA regards Ashutosh |
| 7/6/2013 8:05 PM | |
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Posts: 28 Rating:
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DearAyman Elotaify, Thanks for reply, |
| 7/6/2013 8:26 PM | |
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Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating:
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Hello, HEX 6C02 = DEC 27650 20mA should count only 27648 So your count value is overflow because your injected current is 20.0014467. Could you please tell me part number of your module. And also check settings in HW config. if you enable diagnostic interupt for this module. Hope this helps.
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Ayman Elotaify |
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| 7/6/2013 8:29 PM | |
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Posts: 62 Rating:
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Dear Mohamed, Raw Count W#16#6C02 Means The Raw count is 27650 due to this u r getting the Error in the Scada. Could u Please Specify the type no of Modules.(MLFP N o) why Because some Modules Having the Specal Hardware for setting the mode. There are so many factors for Happen this. 1. Earthing Problem 2. Calibrator Current is more than 20 MA. 3. Configuration of the AI module.(2wire or 4 wire) Try to calib from AO Module. Connect AO Module Output to the AI Module Then Force the 27648 to the AO Module. I Hope this will give Proper Reading. Try this & replay to us. Regards, Avinashkrishna Bhimavarapu |
| 7/6/2013 8:33 PM | |
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Posts: 28 Rating:
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DearAyman Elotaify, |
Last edited by: Mohamed Uvais at: 7/6/2013 8:43 PM |
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| 7/6/2013 8:45 PM | |
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Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating:
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Hello, Please have a look on attached pic. Increase the upper limit as per the picture. By the way, Do you have OB40 within your SW? |
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Ayman Elotaify |
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| 7/6/2013 8:48 PM | |
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Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating:
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There's a diiference between mA reading of your Fluke clamp meter (19.93mA) & what your AI sense (20.001) which is equivalent to 27650 counts. In any case, If value of AI exceeded 27648, then it's exceeded 20mA, So it's Overflow. |
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Ayman Elotaify |
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| 7/6/2013 8:58 PM | |
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Posts: 28 Rating:
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DearAyman Elotaify, I dont have OB40 and jus now i came out of site i'll try that idea 2moro and i'll let u know bcoz this issue make me crazy. Thanks a lot all of u guys for a grt support
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