Register allocation of the process data words
The process data words are allocated to the Modbus registers shown in the table. The status and control words have a fixed allocation. The other process data words can be freely configured in parameter group P5-xx.
The table shows the standard assignment of process data words. All other registers are usually allocated in such a way that they correspond to the parameter number (101 = P1-01). However, this does not apply to parameter group 0.
Tabs | Upper byte | Lower byte | Command | Type |
---|---|---|---|---|
1 | PO1 control word (fixed) | 03, 06, 16 | Read/Write | |
2 | PO2 (default setting in P5-09 =1; speed setpoint) | 03, 06, 16 | Read/Write | |
3 | PO3 (default setting in P5-10 =7; no function) | 03, 06, 16 | Read/Write | |
4 | PO4 (default setting in P5-11 =7; no function) | 03, 06, 16 | Read/Write | |
5 | Reserved | - | 03 | Read |
6 | PI1 status word (fixed) | 03 | Read | |
7 | PI2 (default setting in P5-12 =1; actual speed) | 03 | Read | |
8 | PI3 (default setting in P5-13 =2; actual current) | 03 | Read | |
9 | PI4 (default setting in P5-14 =4; power) | 03 | Read | |
… | For more registers, see chapter Parameter registers. |
The complete allocation of parameters and registers as well as the scaling of data can be found in the memory allocation plan of chapter Parameter registers.