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Communication Modbus RTU with Diris A40

Created by: CAP2 at: 11/29/2010 11:00 AM (3 Replies)

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11/29/2010 11:00 AM	Rate (0)
CAP2 Posts: 5 Rating: (0)	Hello, On an installationwith 26 diris A40 (slave), 24 communicate correctly (modbus rtu) except 2. On my program (themaster is a S7-1212C PLC), the error code 8384 is generatedbut it is not documentedon the manual of the function. Couldanyone say me what this codemeans please? Thanks CAP2
CAP2 Posts: 5 Rating: (0)
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11/30/2010 2:23 AM	Rate (0)
Flomaster Posts: 65 Rating: (2)	This code means "Data value error". See "S7-1200 Programmable controller System Manual". In chapter 6.3.2.3 "MB_SLAVE" you can find "Condition codes" section.
Flomaster Posts: 65 Rating: (2)
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12/14/2010 4:34 PM	Rate (0)
CAP2 Posts: 5 Rating: (0)	Hi Flomaster. Thank you for your reply. However, I still don't unerstand why these 2 modules do not respond properly while 24 others work well. Ithink I'll replace them by new ones.
CAP2 Posts: 5 Rating: (0)
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7/4/2017 1:15 PM	Rate (0)
Jen_Moderator Diamond Member Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (171)	New question published by Jchip is split to a separate thread with the subject How to read address 50514 from Diris A40. Best regards Jen_Moderator

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