Functions
5.11 Operation in fieldbus systems
Frequency inverter
176 Operating Instructions, 08.10. 2008, t.b.d.
Cyclic communication
Description
The PROFIdrive profile defines different message frame types. Message frames contain the
data packages for cyclic communication with a defined meaning and sequence. The
SINAMICS G120 frequency converter supports the message frame types listed in the table
below.
Table 5- 59 SINAMICS G120 message frame types
Message frame type Parameter
channel
(PKW)
parameter
data
Process data (PZD) - control and status words, actual values
PZD01
STW1
ZSW1
PZD02
HSW
HIW
PZD03 PZD04 PZD05 PZD06 PZD
07
PZD
08
STW1 NSOLL_A ⇐ The frequency converter receives this data from the
controller
Message frame 1
speed control,
2 words
No
ZSW1 NIST_A ⇒ The frequency converter sends this data to the controller
STW1 NSOLL_A Message frame 20
speed control,
VIK/NAMUR
2 or 5 words
No
ZSW1 NIST_A_
GLATT
IAIST MIST PIST
STW1 NSOLL_A M_LIM STW2 Message frame 350
speed control,
4 words
No
ZSW1 NIST_A_
GLATT
IAIST_ ZSW2
STW1 NSOLL_A <1> <1> <1> <1> Message frame 352
speed control, PCS7
No
ZSW1 NIST_A_
GLATT
IAIST MIST FAULT_
CODE
WARN_
CODE
STW1 NSOLL_A Message frame 353
speed control,
PKW 4/4 and
PZD 2/2
Yes
ZSW1 NIST_A_
GLATT
STW1 NSOLL_A <1> <1> <1> <1> Message frame 354
speed control,
PKW 4/4 and
PZD 6/6
Yes
ZSW1 NIST_A_
GLATT
IAIST MIST FAULT_
CODE
WARN_
CODE
STW1 Message frame length on receipt is max. 8 words. The central
configuration is user defined (e.g. HW Config (universal module in GSD))
Message frame 999
free interconnection
via BICO
No
ZSW1 Message frame length on transmission is max. 8 words. The central
configuration is user defined (e.g. HW Config (universal module in GSD))
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