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Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
103
Connection to a fieldbus
6
Before you connect the inverter to the field bus, you should have completed the basic
commissioning, see Chapter Commissioning (Page 55)
Fieldbus interfaces of the Control Units
The Control Units are available in different versions for communication with higher-level
controls with the subsequently listed fieldbus interfaces:
Fieldbus
Profile
Telegrams
Control Unit
USS
-
Configurable
Modbus RTU
-
-
CU240B-2
CU240E-2
CU240E-2 F
PROFIdrive
Telegram 1
Telegram 20
Telegram 350
Telegram 352
Telegram 999
PROFIBUS DP
PROFIsafe
Telegram 30
Telegram 900
CU240B-2 DP
CU240E-2 DP
CU240E-2 DP-F
6.1
Data exchange via the fieldbus
Analog signals
The inverter always scales signals, which are transferred via the fieldbus, to the hexadecimal
value of 4000. The significance of this numerical value depends on the category of the signal
that you transfer:
Signal category
4000H corresponds to a parameter value of ...
Speeds, frequencies
p2000
Voltage
p2001
Current
p2002
Torque
p2003
Power
p2004
Angle
p2005
Acceleration
p2007