04/10 MN04020001Z-EN
Modbus Process Data
141
Modbus Process Data
Process data is processed in the M-Max
TM
frequency inverter
faster than the display values, error codes and parameters.
Input process data
The input process data is used to control the M-Max
TM
frequency
inverter.
Control word (ID 2001)
These bits are used to control the M-Max
TM
frequency inverter.
The content can be adapted to your own application and then sent
as a control word to the frequency inverter.
ID MODBUS register Designation Value range Type
2001 32001, 42001 Fieldbus control word (BUS) - Binary code
2002 32002, 42002 Fieldbus general control word (BUS) - Binary code
2003 32003, 42003 Fieldbus speed setpoint (BUS) 0.01 %
2004
32004, 42004 PID controller, setpoint 0.01 %
2005 32005, 42005 PID actual value 0.01 %
2006 32006, 42006 - - -
2007 32007, 42007 - - -
2008 32008, 42008 - - -
2009 32009, 42009 - - -
2010 32010, 42010 - - -
2011 32011, 42011 - - -
Bit Description
Value = 0 Value = 1
0 Stop Operation
1 Clockwise rotating field (FWD) Anticlockwise rotating field (REV)
2
No action Reset error
3 As per setting P6.8 Free coasting (overwrite value from P6.8)
4
As per setting P6.8 Ramp (overwrite value from P6.8)
5 No action Overwrite acceleration/deceleration ramps to 0.1 s
6 No action Block setpoint (speed not variable)
7 No action Overwrite setpoint with 0
8 No action Control level = Fieldbus (overwrite value from P6.8)
9 No action Setpoint input = Fieldbus (overwrite value from P6.8)
10 Not used
11
Not used
12
No action The inverter is blocked and the drive stops as quickly as possible
(an edge is required for restart)
13
No action Control of a digital output:
– P5.1 = 28 (Relay R01)
– P5.2 = 28 (Relay R02)
– P5.3 = 28 (Transistor D0)
14
Not used
15 Not used
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