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Hi
I am kind of stuck with this... I got a S7-1200 CPU (1215C) with the RS485 communication module (CM1241). My plan is to read data from a genset controller that i have (DSE 8610) via Modbus. Am stuck with the Modbus part, i can't figure out how to get for example the data like the "Plant battery voltage" from the DSE controller to the PLC. Does any one here have a sample project on TIA13 which is programmed to read for example the DC voltage on the DSE controller "Plant battery voltage" using Modbus? I am planning to use this as a reference to figure out how this is done correctly.
PS
In the DSE manual it says that a formula is used to get the data address. this is the formula mentioned in the manual
(Data Address = Pagenumber x 256 + Register offset). i am a bit confused here. the offset is a single number. if i got this right, why are some offsets mentioned like this:<pre>
Plant Battery Voltage Register Offset: 0-1
Engine RPM Register Offset: 2-3
Engine Temperature Register Offset: 4-5</pre>
How are these offsets calculated using the formula mentioned above?
I am not sure you guys have time to help but your support in any way will be highly appreciated.
Thanks in Advance
I am kind of stuck with this... I got a S7-1200 CPU (1215C) with the RS485 communication module (CM1241). My plan is to read data from a genset controller that i have (DSE 8610) via Modbus. Am stuck with the Modbus part, i can't figure out how to get for example the data like the "Plant battery voltage" from the DSE controller to the PLC. Does any one here have a sample project on TIA13 which is programmed to read for example the DC voltage on the DSE controller "Plant battery voltage" using Modbus? I am planning to use this as a reference to figure out how this is done correctly.
PS
In the DSE manual it says that a formula is used to get the data address. this is the formula mentioned in the manual
(Data Address = Pagenumber x 256 + Register offset). i am a bit confused here. the offset is a single number. if i got this right, why are some offsets mentioned like this:<pre>
Plant Battery Voltage Register Offset: 0-1
Engine RPM Register Offset: 2-3
Engine Temperature Register Offset: 4-5</pre>
How are these offsets calculated using the formula mentioned above?
I am not sure you guys have time to help but your support in any way will be highly appreciated.
Thanks in Advance