Appendix; Step 7 Program Examples; Data Exchange Via The Fieldbus - Siemens SIMATIC ET 200pro FC-2 Operating Instructions Manual

Appendix

A.1

STEP 7 program examples

A.1.1

Data exchange via the fieldbus

Data exchange via the fieldbus
Analog signals
The inverter always scales signals that are transferred via the fieldbus to a value of 4000
hex.
Table A- 1
Signal category
Speeds, frequencies
Voltage
Current
Torque
Power
Temperature
Control and status words
Control and status words consist of a high byte and a low byte. A SIMATIC control interprets
words differently than the inverter: The higher and lower-order bytes are interchanged when
they are transferred. See also the following program example.
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257324B AF
Signal category and the associated scaling parameters
4000 hex ≙ ...
p2000
p2001
p2002
p2003
r2004
p2006
A
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