Atlas Copco Elektronikon Mk5 - 12.5. Examples

13/08/2013 PM 9845 0187 01 Page 24 of 24
12.5. Examples
The following examples use the following parameters:
• Attached module : Mk5 - LU - GA30P_08
• Node ID : 5
• Profibus Slave Address : 1
• Profibus DataRecords : 1
12.4.1. Illegal Data Address
In case the slave device is asked for a parameter that it is not able to process, the slave device answers with the error code
Illegal Data Address.
In this case f.i. the Required Motor Speed is requested.
B0 B1 B2 B3 B4 B5 B6 B7
• Request : 16#09 16#05 16#03 16#20 16#00 16#00 16#00 16#00
• Answer : 16#10 16#85 16#03 16#20 16#00 16#00 16#00 16#02
12.4.2. Outlet Pressure and Outlet Pressure Status
Please refer to the Address Mapping document, created by Speci5, to get the correct Register for the Outlet Pressure and its
meaning.
In this case f.i. the Outlet Pressure Status and Value can be found in the first Analog Input Register.
B0 B1 B2 B3 B4 B5 B6 B7
• Request: 16#49 16#05 16#00 16#00 16#00 16#00 16#00 16#00
• Answer : 16#50 16#05 16#00 16#00 16#19 16#64 16#00 16#80
12.4.3. Change the active pressure band
Please refer to the Address Mapping document, created by Speci5, to get the correct Register and Value for adjusting the
Pressure Band Selection.
In this case f.i. the correct Register is 16#03 16#5C. To switch from Pressure Band 1 to Pressure Band 2, the value 16#00
16#02 will have to be used.
NOTE: Make sure that Pressure Band 1 is used before actually sending the request.
B0 B1 B2 B3 B4 B5 B6 B7
• Request: 16#D9 16#05 16#03 16#5C 16#00 16#00 16#00 16#02
• Answer : 16#D0 16#05 16#03 16#5C 16#00 16#00 16#00 16#02
12.4.4. Start the machine
Please refer to the Address Mapping document, created by Speci5, to get the correct Register and Value to start the
machine.
In this case f.i. the correct register is 16#07 16#D0 and the correct value is 16#00 16#01.
NOTE: Make sure the machine is in LAN Control before actually sending the request.
B0 B1 B2 B3 B4 B5 B6 B7
• Request : 16#99 16#05 16#07 16#D0 16#00 16#00 16#00 16#01
• Answer : 16#90 16#05 16#07 16#D0 16#00 16#00 16#00 16#01