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Mingjing

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Mingjing


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Posted By Mingjing Jan 25, 2024 01:03:00 AM
Found In Egroup: Automation Control
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Thanks Mark :)
Posted By Mingjing Jul 30, 2023 11:30:00 PM
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Hi Patrick, The 1769-L36ERMS is the Safety version of 1769-L36ERM. It has all the capability of 1769-L36ERM and in addition it supports safety task. If your application requires Safety you can choose 1769-L36ERMS. ------------------------------ Mingjing --------------------------- ...
Posted By Mingjing Apr 28, 2014 09:28:00 PM
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Hi Aislan, From your example I didn't see anything wrong, Could you give more detail on "Without restarting the cylce?" ##HL65
Posted By Mingjing Sep 30, 2013 01:19:00 AM
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Normally HMI will accept Integer data type, so key in the time as integer, then in your PLC program use "ANY_TO_TIME" instruction to convert integer to time data type. Please note, the "ANY_TO_TIME" instruction will convert integer to milli-second ##HL65
Posted By Mingjing Mar 12, 2013 08:22:00 PM
Found In Egroup: Automation Control
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Hi Gary, I've uploaded some sample code and ppt slide about LCD and Key_Read instruction. You can downloaded from here http://samplecode.rockwellautomation.com/idc/groups/public/documents/webassets/sc_legal_info.hcst?dID=89300 Hope this helps. Best regards MJ ...
Posted By Mingjing Mar 11, 2013 12:24:00 AM
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Bring out LCD instruction in your ladder or ST or FBD, Click on the instruction and than Hit F1 key, It will bring out the online help for LCD instruction ##HL65
Posted By Mingjing Mar 11, 2013 12:20:00 AM
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1. Pulse train output. http://samplecode.rockwellautomation.com/idc/groups/public/documents/webassets/sc_legal_info.hcst?dID=88412 2. Analog in / out (temperature, pressure etc...) http://samplecode.rockwellautomation.com/idc/groups/public/documents/webassets/sc_legal_info.hc ...
Posted By Mingjing Mar 11, 2013 12:16:00 AM
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Hi Brahadeesh, To set the the high preset value, there are two ways, 1. use instruction "1 Gain" to assign the desired value to the preset 2. Use initial value column in the variable list. You can find more detail in the other post at http://forums.rockwellautomation. ...
Posted By Mingjing Mar 10, 2013 11:43:00 PM
Found In Egroup: Automation Control
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Hi How Liaw, I've create a UDFB for PID Block which have similar UI as Micrologix PID instruction, Hope this could help you a little. You can download it from following URL http://samplecode.rockwellautomation.com/idc/groups/public/documents/webassets/sc_legal_info.hcst?dID=89258 ...
Posted By Mingjing Feb 18, 2013 01:10:00 AM
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Hi Luis, Currently for Embedded HSC there is no frequency measurement feature. The work around I could think of is we write some code for it. We could measure the pulse within a time period and calculate the frequency. Best regards Mingjing ##HL65
Posted By Mingjing Feb 04, 2013 11:02:00 PM
Found In Library: Automation Control
Posted By Mingjing Feb 04, 2013 11:02:00 PM
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Sorry Paul, I replied too fast. When you change from 31 to 1, all your first 3 step will be the expected as you described 0000_0000_0000_0000_0000_0000_0000_0001 _IO_EM_DI_02=true _IO_EM_DI_03= True 0000_0000_0000_0000_0000_0000_0000_0010 _IO_EM_DI_02=true _IO_EM_DI_03= False ...
Posted By Mingjing Feb 04, 2013 08:40:00 PM
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Hi Paul, You just need change the "nbs"(Number of bits) value from "31" to "1" will do. Best regards Mingjing ##HL65
Posted By Mingjing Feb 04, 2013 06:31:00 PM
Found In Egroup: Automation Control
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Hi Paul, Seems nothing wrong with the code above. What's the result your get? After you triger _IO_EM_DI_03, the Present value should be 1 and after that if you trigger _IO_EM_DI_02, the shift value should be 2#1000_0000_0000_0000_0000_0000_0000_0000 Best regards ...
Posted By Mingjing Feb 04, 2013 06:17:00 PM
Found In Library: Automation Control
Posted By Mingjing Feb 04, 2013 06:17:00 PM
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Hi Luis, Hope you got your PLC hardware now, Micro830 and Micro850 supports 10 counting mode, the detail of each mode could file in User manual. The easy way to get the user manual is: use the one embedded with the CCW. There is a chapter discuss how to use high speed counter. If your ...
Posted By Mingjing Jan 29, 2013 07:40:00 PM
Found In Library: Automation Control
Posted By Mingjing Jan 29, 2013 07:40:00 PM
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Hi Luis, You could download the PDF file "HSC Parameters.pdf" from the link is first comment. Basically, to configure the Hsc parameter, what we need to do is to assign the value for the "HscAppData". "HscAppData" is a compound datatype, it contains the following parameters: ...
Posted By Mingjing Dec 18, 2012 07:58:00 PM
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Hi Paul, For the Done output , when we successfully read one line, the output Q will be turned on and stay on until next event of trigger. Merry Christmas and happy new year. MJ ##HL65