I am currently utilizing a system with an Rx3i CRU320 redundant CPU paired with Proficy Machine Edition Software. Within the hardware configuration of each CPU module, the transfer list tab specifies the following settings for both PLCs: %I Reference: %I00001, Length: 4 and %AI Reference: %AI00001, Length: 4. However, I believe this configuration may be incorrect and in need of updating. When examining the IO card channels, the format is provided as "Rack.slot.channel" (e.g. %IW0.8.0.1 for the 1st channel of the AI card in slot 8). I was anticipating an address format like %AI0001 for easier understanding if it is shared between PLCs using the transfer list configuration. Could someone please clarify how to determine the address and length required for configuration in the transfer list?
Which version of GE Machine Edition PLC software are you using? When I recently added an ALG608 module offline to an existing target, version 9.5 automatically assigned it an %AI address. I am unfamiliar with the rack.slot.channel format in a GE PLC. Are you referring to the hardware configuration for the module or the variable table?
Steve Bailey inquired about the specific version of Machine Edition being used. He recently integrated an ALG608 module offline into an established target with version 9.5, which was assigned an %AI address. The rack.slot.channel format in a GE PLC is unfamiliar to him. Are you examining the hardware configuration or the variable table? Feel free to expand on your response. Hello Steve, appreciate your input. I'm currently utilizing Machine Edition 9.0 and focusing on the hardware configuration. Please refer to the attached image for more details.
Could you please share a screenshot? I have been attempting to set up rack.slot.channel addressing for an AI module without success and would appreciate guidance on how to do it correctly.
Steve Bailey requested a screen shot for assistance in assigning rack.slot.channel addressing to an AI module. He has been unsuccessful in this task and is eager to learn the correct method. For further details, please refer to the attached document.
Is it possible to use a %AIxxxx address in place of TEST1 in the variable field? This query pertains to the compatibility of %AIxxxx addresses in the variable field.
Sure, I'd be glad to help! The transfer list utilizes internal addressing, which can be a little tricky to comprehend at first. It doesn't directly use the "rack.slot.channel" system, rather it corresponds to a mapped internal address. The addresses %I00001 and %AI00001 indicate internally addressed reference memory for Discrete Input and Analog Input. The length you're seeing (for instance, 4), refers to the number of consecutive addresses to be included in the transfer. If you want to update the mapping and use a specific IO card channel, you'll need to link that specific physical address (%IW0.8.0.1) to an internal one in your IO mapping settings, and then use that internal address (%I or %AI reference) in your transfer list. Further reading on IO mapping and how GE handles reference addressing might provide more clarity. Remember, the transfer list is for shared data between the PLCs, so ensure all the changes are consistent across both systems.
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Answer: - To determine the correct address and length configuration, you should refer to the hardware configuration of each CPU module in the transfer list tab. Make sure to check the %I Reference, %AI Reference, and their corresponding lengths specified for each PLC.
Answer: - The address format "%IW0.8.0.1" refers to the 1st channel of the AI card in slot 8. This format provides detailed information about the rack, slot, and channel of the IO card, aiding in precise configuration within the Proficy Machine Edition Software.
Answer: - It is crucial to follow the recommended address and length configurations specified in the hardware configuration of each CPU module. Double-checking the settings and referencing the correct format, such as "%IW0.8.0.1", can help prevent errors and ensure seamless communication between PLCs.
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